$name = \"John\"; $alias = &$name; $alias = \"Mike\"; echo $name; \/\/ \u8f93\u51fa \"Mike\"<\/code><\/li>\n<\/ol>\n\n\n\n\u8981\u3059\u308b\u306b\u3001PHP\u306e\u5909\u6570\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u57fa\u672c\u8981\u7d20\u3067\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u578b\u3092\u683c\u7d0d\u304a\u3088\u3073\u64cd\u4f5c\u3067\u304d\u3001\u3055\u307e\u3056\u307e\u306a\u30b9\u30b3\u30fc\u30d7\u3068\u53c2\u7167\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3063\u3066\u3044\u308b\u305f\u3081\u3001PHP\u5909\u6570\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u3001\u52b9\u679c\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\nPHP\u306e\u57fa\u672c\u69cb\u6587\u3067\u30c7\u30fc\u30bf\u578b\u3092\u7d39\u4ecb\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u306f\u52d5\u7684\u306b\u578b\u4ed8\u3051\u3055\u308c\u305f\u8a00\u8a9e\u3067\u3042\u308a\u3001\u5909\u6570\u306e\u578b\u306f\u5b9f\u884c\u6642\u306b\u81ea\u52d5\u7684\u306b\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002 PHP \u306e\u4e00\u822c\u7684\u306a\u30c7\u30fc\u30bf\u578b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u6587\u5b57\u5217: \u6587\u5b57\u5217\u306f\u3001\u4e00\u91cd\u5f15\u7528\u7b26\u307e\u305f\u306f\u4e8c\u91cd\u5f15\u7528\u7b26\u3092\u4f7f\u7528\u3057\u3066\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u4e00\u9023\u306e\u6587\u5b57\u3067\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$name = \"John\"; $message = 'Hello, ' . $name . '!';<\/code><\/li>\n\n\n\n\u6574\u6570: \u6574\u6570\u306f\u6574\u6570\u3092\u8868\u3057\u3001\u6b63\u3001\u8ca0\u3001\u307e\u305f\u306f\u30bc\u30ed\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$age = 30; $distance = -10;<\/code><\/li>\n\n\n\n\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570: \u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u306f\u5b9f\u6570\u3001\u3064\u307e\u308a\u5c0f\u6570\u70b9\u4ed8\u304d\u306e\u6570\u5024\u3092\u8868\u3057\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$price = 99.99; $rate = 3.14159;<\/code><\/li>\n\n\n\n\u30d6\u30fc\u30eb\u5024: \u30d6\u30fc\u30eb\u5024\u306f\u771f\u307e\u305f\u306f\u507d\u3092\u610f\u5473\u3057\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$isMarried = true; $isWorking = false;<\/code><\/li>\n\n\n\n\u914d\u5217: \u914d\u5217\u306f\u9806\u5e8f\u4ed8\u3051\u3089\u308c\u305f\u5024\u306e\u30bb\u30c3\u30c8\u3067\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u30ad\u30fc\u304c\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002 \u914d\u5217\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e00\u9023\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u304a\u3088\u3073\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$fruits = array(\"apple\", \"banana\", \"orange\"); echo $fruits[0]; \/\/ \u8f93\u51fa \"apple\"<\/code><\/li>\n\n\n\n\u30aa\u30d6\u30b8\u30a7\u30af\u30c8: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u81ea\u5df1\u5b8c\u7d50\u578b\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u3059\u3002 \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3057\u3001new \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9class Person { public $name; public $age; function __construct($name, $age) { $this->name = $name; $this->age = $age; } function getFullName() { return $this->name; } } $person = new Person(\"John\", 30); echo $person->getFullName(); \/\/ \u8f93\u51fa \"John\"<\/code><\/li>\n\n\n\nNULL \u5024 (NULL): NULL \u5024\u306f\u3001\u5909\u6570\u306b\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$name = null;<\/code><\/li>\n<\/ol>\n\n\n\n\u7d50\u8ad6\u3068\u3057\u3066\u3001PHP\u306b\u306f\u8907\u6570\u306e\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u7279\u5b9a\u306e\u69cb\u6587\u3068\u4f7f\u7528\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002 PHP\u30c7\u30fc\u30bf\u578b\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u3001\u52b9\u679c\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u66f8\u304f\u305f\u3081\u306b\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\nPHP\u306e\u57fa\u672c\u69cb\u6587\u306e\u6f14\u7b97\u5b50\u3092\u7d39\u4ecb\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u306e\u6f14\u7b97\u5b50\u306f\u3001\u5909\u6570\u3068\u5024\u306b\u5bfe\u3057\u3066\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u3001PHP\u306e\u4e00\u822c\u7684\u306a\u6f14\u7b97\u5b50\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u7b97\u8853\u6f14\u7b97\u5b50: \u7b97\u8853\u6f14\u7b97\u5b50\u306f\u3001\u6570\u5b66\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001+ \u306f\u52a0\u7b97\u3001- \u306f\u6e1b\u7b97\u3001* \u306f\u4e57\u7b97\u3001\/ \u306f\u9664\u7b97\u3001% \u306f\u30e2\u30b8\u30e5\u30ed\u3092\u8868\u3057\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$a = 10; $b = 3; echo $a + $b; \/\/ \u8f93\u51fa 13 echo $a - $b; \/\/ \u8f93\u51fa 7 echo $a * $b; \/\/ \u8f93\u51fa 30 echo $a \/ $b; \/\/ \u8f93\u51fa 3.33333... echo $a % $b; \/\/ \u8f93\u51fa 1<\/code><\/li>\n\n\n\n\u4ee3\u5165\u6f14\u7b97\u5b50: \u4ee3\u5165\u6f14\u7b97\u5b50\u306f\u3001\u5909\u6570\u306b\u5024\u3092\u4ee3\u5165\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001= \u306f\u5358\u7d14\u306a\u4ee3\u5165\u3001+= \u306f\u52a0\u7b97\u5f8c\u306e\u4ee3\u5165\u3001-= \u306f\u6e1b\u7b97\u4ee3\u5165\u3001*= \u306f\u4e57\u6cd5\u4ee3\u5165\u3001\/= \u306f\u9664\u7b97\u4ee3\u5165\u3092\u793a\u3057\u307e\u3059\u3002 \u4f8b: perl\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$a = 10; $b = 3; $a += $b; \/\/ \u7b49\u4ef7\u4e8e $a = $a + $b; $a -= $b; \/\/ \u7b49\u4ef7\u4e8e $a = $a - $b; $a *= $b; \/\/ \u7b49\u4ef7\u4e8e $a = $a * $b; $a \/= $b; \/\/ \u7b49\u4ef7\u4e8e $a = $a \/ $b;<\/code><\/li>\n\n\n\n\u6bd4\u8f03\u6f14\u7b97\u5b50: \u6bd4\u8f03\u6f14\u7b97\u5b50\u306f\u30012 \u3064\u306e\u5024\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001== \u306f\u7b49\u3057\u3044\u3001!= \u306f\u7b49\u3057\u304f\u306a\u3044\u3001< \u306f\u4ee5\u4e0b\u3001>\u306f\u3088\u308a\u5927\u304d\u3044\u3001<= \u306f\u4ee5\u4e0b\u3001>= \u306f\u4ee5\u4e0a\u3092\u610f\u5473\u3057\u307e\u3059\u3002 \u4f8b:\u30eb\u30d3\u30fc\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b$a = 10; $b = 3; var_dump($a == $b); \/\/ \u8f93\u51fa bool(false) var_dump($a != $b); \/\/ \u8f93\u51fa bool(true) var_dump($a < $b); \/\/ \u8f93\u51fa bool(false) var_dump($a > $b); \/\/ \u8f93\u51fa bool(true) var_dump($a <= $b); \/\/ \u8f93\u51fa bool(false) var_dump($a >= $b); \/\/ \u8f93\u51fa bool(true)<\/code><\/li>\n\n\n\n\u8ad6\u7406\u6f14\u7b97\u5b50: \u8ad6\u7406\u6f14\u7b97\u5b50\u306f\u3001\u8ad6\u7406\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001&& \u306f\u8ad6\u7406\u548c\u3092\u8868\u3057\u3001,|| \u8ad6\u7406 OR\u3001! \u8ad6\u7406\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002 \u4f8b:\u30eb\u30d3\u30fc\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b$a = true; $b = false; var_dump($a && $b); \/\/ \u8f93\u51fa bool(false) var_dump($a || $b); \/\/ \u8f93\u51fa bool(true) var_dump(!$a); \/\/ \u8f93\u51fa bool(false)<\/code><\/li>\n\n\n\n\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50: \u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306f\u3001\u30d3\u30c3\u30c8\u3054\u3068\u306e\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001& \u306f\u30d3\u30c3\u30c8\u5358\u4f4d\u306e and,| \u306f\u30d3\u30c3\u30c8\u3054\u3068\u306e OR\u3001~ \u306f\u30d3\u30c3\u30c8\u3054\u3068\u306e\u975e\u3001^ \u306f\u30d3\u30c3\u30c8\u3054\u3068\u306e XOR\u3001<< \u306f\u5de6\u30b7\u30d5\u30c8\u64cd\u4f5c\u3001>> \u306f\u53f3\u30b7\u30d5\u30c8\u64cd\u4f5c\u3092\u8868\u3057\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$a = 0b<\/code><\/li>\n<\/ol>\n\n\n\nPHP\u306e\u57fa\u672c\u69cb\u6587\u3067\u5f0f\u3092\u7d39\u4ecb\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u5f0f\u306f\u6f14\u7b97\u5b50\u3001\u5909\u6570\u3001\u5b9a\u6570\u3001\u95a2\u6570\u306a\u3069\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u5f0f\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u7d50\u679c\u3092\u8a55\u4fa1\u3057\u305f\u308a\u3001\u8ad6\u7406\u7684\u306a\u5224\u65ad\u3092\u4e0b\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u3001PHP\u306e\u4e00\u822c\u7684\u306a\u5f0f\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u7b97\u8853\u5f0f: \u7b97\u8853\u5f0f\u3067\u306f\u3001\u7b97\u8853\u6f14\u7b97\u5b50 (+\u3001-\u3001*\u3001\/\u3001%) \u3092\u4f7f\u7528\u3057\u3066\u6570\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 \u4f8b: perl\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$a = 10; $b = 3; $c = $a + $b; \/\/ 13 $d = $a * $b; \/\/ 30 $e = $a % $b; \/\/ 1<\/code><\/li>\n\n\n\n\u8ad6\u7406\u5f0f: \u8ad6\u7406\u5f0f\u306f\u8ad6\u7406\u6f14\u7b97\u5b50 (&&,||,! ) \u306f\u5f0f\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002 \u4f8b:\u30eb\u30d3\u30fc\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b$a = 10; $b = 3; $c = ($a > $b) && ($a < 20); \/\/ true $d = !($a == $b); \/\/ true<\/code><\/li>\n\n\n\n\u6587\u5b57\u5217\u5f0f: \u6587\u5b57\u5217\u5f0f\u3067\u306f\u3001\u6587\u5b57\u5217\u9023\u7d50\u6f14\u7b97\u5b50 (.) \u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u3092\u3064\u306a\u304e\u5408\u308f\u305b\u307e\u3059\u3002 \u4f8b: perl\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$name = \"John\"; $age = 30; $message = \"My name is \" . $name . \" and I am \" . $age . \" years old.\"; \/\/ \"My name is John and I am 30 years old.\"<\/code><\/li>\n\n\n\n\u914d\u5217\u5f0f: \u914d\u5217\u5f0f\u306f\u3001\u914d\u5217\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3001\u8981\u7d20\u306e\u8ffd\u52a0\u307e\u305f\u306f\u524a\u9664\u306a\u3069\u3001\u914d\u5217\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$fruits = array(\"apple\", \"banana\", \"orange\"); $count = count($fruits); \/\/ 3 $first = $fruits[0]; \/\/ \"apple\" $fruits[] = \"grape\"; \/\/ \u5728\u6570\u7ec4\u672b\u5c3e\u6dfb\u52a0\u5143\u7d20 unset($fruits[1]); \/\/ \u5220\u9664\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20<\/code><\/li>\n\n\n\n\u95a2\u6570\u5f0f: \u95a2\u6570\u5f0f\u306f\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4f8b: perl\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$number = 5; $square = pow($number, 2); \/\/ 25 $length = strlen(\"Hello\"); \/\/ 5<\/code><\/li>\n<\/ol>\n\n\n\n\u8981\u3059\u308b\u306b\u3001\u5f0f\u306fPHP\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u57fa\u672c\u8981\u7d20\u3067\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u64cd\u4f5c\u3084\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u8ad6\u7406\u7684\u306a\u5224\u65ad\u3084\u95a2\u6570\u547c\u3073\u51fa\u3057\u3092\u884c\u3063\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u52b9\u679c\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001PHP\u5f0f\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\nPHP\u306e\u57fa\u672c\u69cb\u6587\u3067\u6761\u4ef6\u6587\u3092\u5c0e\u5165\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u6761\u4ef6\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u3055\u307e\u3056\u307e\u306a\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u3001PHP \u306e\u4e00\u822c\u7684\u306a\u6761\u4ef6\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n
\nIf \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8: if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u6761\u4ef6\u304c true \u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3001\u6761\u4ef6\u306b\u5f93\u3063\u3066\u5bfe\u5fdc\u3059\u308b\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$score = 80; if ($score >= 60) { echo \"You passed the exam.\"; } else { echo \"You failed the exam.\"; }<\/code><\/li>\n\n\n\nelseif \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8: elseif \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u8907\u6570\u306e\u6761\u4ef6\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u524d\u306e\u6761\u4ef6\u304c\u771f\u3067\u306a\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u6761\u4ef6\u306b\u9032\u307f\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$score = 80; if ($score >= 90) { echo \"You got an A.\"; } elseif ($score >= 80) { echo \"You got a B.\"; } elseif ($score >= 70) { echo \"You got a C.\"; } elseif ($score >= 60) { echo \"You got a D.\"; } else { echo \"You failed the exam.\"; }<\/code><\/li>\n\n\n\nswitch\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8:switch\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u8907\u6570\u306e\u6761\u4ef6\u3092\u5224\u65ad\u3057\u3001\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u5bfe\u5fdc\u3059\u308b\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$day = \"Tuesday\"; switch ($day) { case \"Monday\": echo \"Today is Monday.\"; break; case \"Tuesday\": echo \"Today is Tuesday.\"; break; case \"Wednesday\": echo \"Today is Wednesday.\"; break; default: echo \"Today is not Monday, Tuesday or Wednesday.\"; break; }<\/code><\/li>\n<\/ol>\n\n\n\n\u8981\u3059\u308b\u306b\u3001\u6761\u4ef6\u6587\u306fPHP\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u57fa\u672c\u8981\u7d20\u3067\u3042\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u8ad6\u7406\u5206\u5c90\u5236\u5fa1\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u6761\u4ef6\u306b\u5fdc\u3058\u3066\u3055\u307e\u3056\u307e\u306a\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u52b9\u679c\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001PHP\u6761\u4ef6\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\nPHP\u306e\u57fa\u672c\u69cb\u6587\u306e\u30eb\u30fc\u30d7\u6587\u3092\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u30eb\u30fc\u30d7\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u308b\u307e\u3067\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3057\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u3001PHP \u3067\u3088\u304f\u4f7f\u308f\u308c\u308b\u30eb\u30fc\u30d7\u6587\u3067\u3059\u3002<\/p>\n\n\n\n
\nwhile \u30eb\u30fc\u30d7: while \u30eb\u30fc\u30d7\u306f\u3001\u6761\u4ef6\u304c true \u306e\u5834\u5408\u306b\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$i = 1; while ($i <= 10) { echo $i; $i++; }<\/code><\/li>\n\n\n\nDo-while \u30eb\u30fc\u30d7: do-while \u30eb\u30fc\u30d7\u306f while \u30eb\u30fc\u30d7\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u30b3\u30fc\u30c9\u306e\u30d6\u30ed\u30c3\u30af\u3092\u4e00\u5ea6\u5b9f\u884c\u3057\u3066\u304b\u3089\u6761\u4ef6\u304c true \u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u70b9\u304c\u7570\u306a\u308a\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$i = 1; do { echo $i; $i++; } while ($i <= 10);<\/code><\/li>\n\n\n\nfor loop: for \u30eb\u30fc\u30d7\u306f\u3001\u30eb\u30fc\u30d7 \u30ab\u30a6\u30f3\u30bf\u30fc\u3068\u30eb\u30fc\u30d7\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u3001\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9for ($i = 1; $i <= 10; $i++) { echo $i; }<\/code><\/li>\n\n\n\nForeach \u30eb\u30fc\u30d7: foreach \u30eb\u30fc\u30d7\u306f\u3001\u914d\u5217\u307e\u305f\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u8981\u7d20\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$fruits = array(\"apple\", \"banana\", \"orange\"); foreach ($fruits as $fruit) { echo $fruit; }<\/code><\/li>\n<\/ol>\n\n\n\n\u8981\u3059\u308b\u306b\u3001\u30eb\u30fc\u30d7\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306fPHP\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u57fa\u672c\u8981\u7d20\u3067\u3042\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u7e70\u308a\u8fd4\u3057\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u3082\u306e\u3067\u3059\u3002 \u52b9\u679c\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001PHP\u30eb\u30fc\u30d7\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\nPHP\u306e\u95a2\u6570\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u95a2\u6570\u306f\u3001\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308a\u3001\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3001\u7d50\u679c\u3092\u8fd4\u3059\u30e9\u30c3\u30d7\u3055\u308c\u305f\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3067\u3059\u3002 PHP\u306e\u95a2\u6570\u306e\u7279\u5fb4\u3068\u4f7f\u7528\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u95a2\u6570\u5b9a\u7fa9: PHP \u3067\u306f\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u3092\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3067\u304d\u307e\u3059: php\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308bfunction<\/code>function functionName($arg1, $arg2, ...) { \/\/ \u51fd\u6570\u4f53 return $result; }<\/code><\/li>\n\n\n\n\u95a2\u6570\u547c\u3073\u51fa\u3057:PHP\u3067\u306f\u3001\u95a2\u6570\u540d\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u95a2\u6570\u306e\u623b\u308a\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9$result = functionName($arg1, $arg2, ...);<\/code><\/li>\n\n\n\n\u95a2\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf: PHP \u3067\u306f\u3001\u95a2\u6570\u306f 0 \u500b\u4ee5\u4e0a\u306e\u5f15\u6570\u3092\u53d7\u3051\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u307e\u305f\u306f\u53ef\u5909\u6570\u306e\u5f15\u6570\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9function greet($name = \"John\") { echo \"Hello, \" . $name . \"!\"; } greet(); \/\/ \u8f93\u51fa \"Hello, John!\" greet(\"Mary\"); \/\/ \u8f93\u51fa \"Hello, Mary!\"<\/code><\/li>\n\n\n\n\u95a2\u6570\u306e\u623b\u308a\u5024: PHP \u3067\u306f\u3001\u95a2\u6570\u306f\u5024\u307e\u305f\u306f\u914d\u5217\u3092\u8fd4\u3059\u3053\u3068\u3082\u3001\u5024\u3092\u307e\u3063\u305f\u304f\u8fd4\u3055\u306a\u3044\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9function square($num) { return $num * $num; } $result = square(5); \/\/ $result \u7684\u503c\u4e3a 25<\/code><\/li>\n\n\n\n\u95a2\u6570\u306e\u30b9\u30b3\u30fc\u30d7:PHP\u3067\u306f\u3001\u95a2\u6570\u306b\u306f\u72ec\u81ea\u306e\u30b9\u30b3\u30fc\u30d7\u304c\u3042\u308a\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u3068\u30b9\u30fc\u30d1\u30fc\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u306b\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$x = 10; function increment() { global $x; $x++; } increment(); echo $x; \/\/ \u8f93\u51fa 11<\/code><\/li>\n\n\n\n\u7d44\u307f\u8fbc\u307f\u95a2\u6570:PHP\u306b\u306f\u3001\u6587\u5b57\u5217\u51e6\u7406\u3001\u914d\u5217\u64cd\u4f5c\u3001\u65e5\u4ed8\u3068\u6642\u523b\u306e\u51e6\u7406\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u591a\u304f\u306e\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9$str = \"Hello, World!\"; echo strtoupper($str); \/\/ \u8f93\u51fa \"HELLO, WORLD!\" $fruits = array(\"apple\", \"banana\", \"orange\"); echo count($fruits); \/\/ \u8f93\u51fa 3 $date = date(\"Y-m-d H:i:s\"); echo $date; \/\/ \u8f93\u51fa\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4<\/code><\/li>\n<\/ol>\n\n\n\n\u8981\u7d04\u3059\u308b\u3068\u3001\u95a2\u6570\u306f\u3001\u30b3\u30fc\u30c9\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u30b3\u30fc\u30c9\u306e\u4fdd\u5b88\u6027\u3068\u53ef\u8aad\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308bPHP\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u57fa\u672c\u8981\u7d20\u3067\u3059\u3002 PHP\u95a2\u6570\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u3001\u52b9\u679c\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u66f8\u304f\u305f\u3081\u306b\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\nPHP\u914d\u5217\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u914d\u5217\u306f\u8907\u6570\u306e\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3042\u308a\u3001\u914d\u5217\u8981\u7d20\u306b\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u307e\u305f\u306f\u95a2\u9023\u3059\u308b\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 PHP\u306e\u914d\u5217\u306e\u6a5f\u80fd\u3068\u4f7f\u7528\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u914d\u5217\u306e\u5b9a\u7fa9: PHP \u3067\u306f\u3001\u914d\u5217\u306f\u6b21\u306e\u3088\u3046\u306b or \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002array<\/code>[]<\/code>$numbers = array(1, 2, 3, 4, 5); $fruits = [\"apple\", \"banana\", \"orange\"]; $person = [ \"name\" => \"John\", \"age\" => 30, \"gender\" => \"male\" ];<\/code><\/li>\n\n\n\n\u914d\u5217\u3078\u306e\u30a2\u30af\u30bb\u30b9:PHP\u3067\u306f\u3001\u914d\u5217\u8981\u7d20\u306b\u306f\u3001\u6570\u5024\u307e\u305f\u306f\u6587\u5b57\u5217\u306e\u914d\u5217\u6dfb\u3048\u5b57\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9echo $numbers[0]; \/\/ \u8f93\u51fa 1 echo $fruits[1]; \/\/ \u8f93\u51fa \"banana\" echo $person[\"name\"]; \/\/ \u8f93\u51fa \"John\"<\/code><\/li>\n\n\n\n\u914d\u5217\u306e\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb:PHP\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u30eb\u30fc\u30d7\u3067\u304d\u307e\u3059\u3002foreach<\/code>foreach ($numbers as $number) { echo $number; } foreach ($fruits as $index => $fruit) { echo $index . \": \" . $fruit; } foreach ($person as $key => $value) { echo $key . \": \" . $value; }<\/code><\/li>\n\n\n\n\u914d\u5217\u64cd\u4f5c:PHP\u3067\u306f\u3001\u914d\u5217\u306e\u8ffd\u52a0\u3001\u524a\u9664\u3001\u30de\u30fc\u30b8\u3001\u4e26\u3079\u66ff\u3048\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u64cd\u4f5c\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9\/\/ \u6dfb\u52a0\u5143\u7d20 $fruits[] = \"grape\"; \/\/ \u5220\u9664\u5143\u7d20 unset($fruits[1]); \/\/ \u5408\u5e76\u6570\u7ec4 $colors = [\"red\", \"green\", \"blue\"]; $all = array_merge($fruits, $colors); \/\/ \u6392\u5e8f\u6570\u7ec4 sort($all); \/\/ \u8fc7\u6ee4\u6570\u7ec4 $numbers = [1, 2, 3, 4, 5]; $even = array_filter($numbers, function($n) { return $n % 2 == 0; });<\/code><\/li>\n<\/ol>\n\n\n\n\u7d50\u8ad6\u3068\u3057\u3066\u3001\u914d\u5217\u306fPHP\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u57fa\u672c\u8981\u7d20\u3067\u3042\u308a\u3001\u8907\u6570\u306e\u5024\u3092\u683c\u7d0d\u304a\u3088\u3073\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u8907\u96d1\u306a\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002 \u52b9\u7387\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001PHP\u914d\u5217\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\nPHP\u306e\u914d\u5217\u4ee5\u5916\u306e\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u578b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
\u914d\u5217\u306b\u52a0\u3048\u3066\u3001PHP\u306b\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u30ea\u30bd\u30fc\u30b9\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u306a\u3069\u3001\u4ed6\u306e\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u578b\u3092\u8a73\u3057\u304f\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\n\u30aa\u30d6\u30b8\u30a7\u30af\u30c8: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30c7\u30fc\u30bf\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u578b\u3067\u3042\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u672c\u7684\u306a\u8981\u7d20\u3067\u3059\u3002 PHP\u3067\u306f\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9class<\/code>new<\/code>class Person { private $name; private $age; public function __construct($name, $age) { $this->name = $name; $this->age = $age; } public function sayHello() { echo \"Hello, my name is \" . $this->name . \" and I am \" . $this->age . \" years old.\"; } } $john = new Person(\"John\", 30); $john->sayHello(); \/\/ \u8f93\u51fa \"Hello, my name is John and I am 30 years old.\"<\/code><\/li>\n\n\n\n\u30ea\u30bd\u30fc\u30b9:\u30ea\u30bd\u30fc\u30b9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3001\u753b\u50cf\u306a\u3069\u306e\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3092\u8868\u3059\u30c7\u30fc\u30bf\u578b\u3067\u3042\u308a\u3001PHP\u3067\u306f\u30bf\u30a4\u30d7\u3067\u8868\u3055\u308c\u307e\u3059\u3002 \u4f8b: perl\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9resource<\/code>$file = fopen(\"example.txt\", \"r\"); \/\/ \u5bf9 $file \u8fdb\u884c\u4e00\u4e9b\u64cd\u4f5c fclose($file);<\/code><\/li>\n\n\n\n\u30af\u30ed\u30fc\u30b8\u30e3:\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u3001\u5916\u5074\u306e\u30b9\u30b3\u30fc\u30d7\u5185\u306e\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u7279\u5225\u306a\u95a2\u6570\u3067\u3042\u308a\u3001PHP\u306e\u578b\u3092\u4f7f\u7528\u3057\u3066\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9Closure<\/code>$x = 10; $add = function($y) use ($x) { return $x + $y; }; echo $add(5); \/\/ \u8f93\u51fa 15<\/code><\/li>\n<\/ol>\n\n\n\n\u7d50\u8ad6\u3068\u3057\u3066\u3001PHP\u306b\u306f\u914d\u5217\u4ee5\u5916\u306b\u3082\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u3001\u305d\u308c\u3089\u306f\u3059\u3079\u3066\u72ec\u81ea\u306e\u7279\u6027\u3068\u4f7f\u7528\u6cd5\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002 \u52b9\u679c\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u578b\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\nPHP\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d1\u30e9\u30c0\u30a4\u30e0\u3067\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30a2\u30a4\u30c7\u30a2\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u62bd\u8c61\u5316\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u901a\u3058\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30ed\u30b8\u30c3\u30af\u3092\u5b8c\u6210\u3055\u305b\u308b\u3053\u3068\u3067\u3059\u3002 \u4ee5\u4e0b\u306f\u3001PHP\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u672c\u8981\u7d20\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u30af\u30e9\u30b9: \u30af\u30e9\u30b9\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u672c\u6982\u5ff5\u3067\u3042\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306e\u9752\u5199\u771f\u3067\u3059\u3002 PHP\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002class<\/code>class Person { private $name; private $age; public function __construct($name, $age) { $this->name = $name; $this->age = $age; } public function sayHello() { echo \"Hello, my name is \" . $this->name . \" and I am \" . $this->age . \" years old.\"; } }<\/code><\/li>\n\n\n\n\u30aa\u30d6\u30b8\u30a7\u30af\u30c8: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3042\u308a\u3001\u72b6\u614b\u3068\u52d5\u4f5c\u3092\u6301\u3064\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u3059\u3002 PHP\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002new<\/code>$john = new Person(\"John\", 30); $john->sayHello(); \/\/ \u8f93\u51fa \"Hello, my name is John and I am 30 years old.\"<\/code><\/li>\n\n\n\n\u30d7\u30ed\u30d1\u30c6\u30a3: \u5c5e\u6027\u306f\u3001\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u30af\u30e9\u30b9\u5185\u306e\u5909\u6570\u3067\u3042\u308a\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3001\u307e\u305f\u306f\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 PHP \u3067\u306f\u3001\u3001\u3001\u304a\u3088\u3073\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u6b21\u306e\u3088\u3046\u306b\u5c5e\u6027\u3092\u5ba3\u8a00\u3067\u304d\u307e\u3059\u3002public<\/code>private<\/code>protected<\/code>class Person { public $name; private $age; protected $gender; \/\/ ... }<\/code><\/li>\n\n\n\n\u30e1\u30bd\u30c3\u30c9: \u30e1\u30bd\u30c3\u30c9\u306f\u3001\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u30af\u30e9\u30b9\u5185\u306e\u95a2\u6570\u3067\u3042\u308a\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3001\u307e\u305f\u306f\u30d7\u30ed\u30c6\u30af\u30c8\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 PHP \u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3001, , , \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30bd\u30c3\u30c9\u3092\u5ba3\u8a00\u3067\u304d\u307e\u3059\u3002public<\/code>private<\/code>protected<\/code>class Person { \/\/ ... public function sayHello() { echo \"Hello, my name is \" . $this->name . \" and I am \" . $this->age . \" years old.\"; } }<\/code><\/li>\n\n\n\n\u7d99\u627f: \u7d99\u627f\u306f\u3001\u5225\u306e\u30af\u30e9\u30b9\u304b\u3089\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3059\u308b\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3067\u304d\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3059\u3002 PHP\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u7d99\u627f\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002extends<\/code>class Student extends Person { private $grade; public function __construct($name, $age, $grade) { parent::__construct($name, $age); $this->grade = $grade; } public function sayHello() { parent::sayHello(); echo \"I am a student in grade \" . $this->grade . \".\"; } }<\/code><\/li>\n<\/ol>\n\n\n\n\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306fPHP\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d1\u30e9\u30c0\u30a4\u30e0\u3067\u3059\u3002 \u30af\u30e9\u30b9\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u30e1\u30bd\u30c3\u30c9\u3001\u304a\u3088\u3073\u7d99\u627f\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u3068\u3001\u958b\u767a\u8005\u306f\u3088\u308a\u67d4\u8edf\u3067\u4fdd\u5b88\u3057\u3084\u3059\u3044PHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\nPHP\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30af\u30e9\u30b9\u306e\u7d99\u627f\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u30af\u30e9\u30b9\u7d99\u627f\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3042\u308a\u3001\u5225\u306e\u30af\u30e9\u30b9\u304b\u3089\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3059\u308b\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 PHP\u3067\u306e\u30af\u30e9\u30b9\u7d99\u627f\u306e\u57fa\u672c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u30b5\u30d6\u30af\u30e9\u30b9\u3068\u89aa\u30af\u30e9\u30b9:PHP\u3067\u306f\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u30af\u30e9\u30b9\u7d99\u627f\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059:javaCopy\u30b3\u30fc\u30c9 \u3053\u3053\u3067\u3001\u306f\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u3042\u308a\u3001 \u306f\u89aa\u30af\u30e9\u30b9\u3067\u3059\u3002extends<\/code>class ChildClass extends ParentClass { \/\/ ... } <\/code>ChildClass<\/code>ParentClass<\/code><\/li>\n\n\n\n\u7d99\u627f\u3055\u308c\u305f\u30d7\u30ed\u30d1\u30c6\u30a3: \u5b50\u30af\u30e9\u30b9\u306f\u3001phpCopy \u30b3\u30fc\u30c9\u306a\u3069\u306e\u89aa\u30af\u30e9\u30b9\u304b\u3089\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u7d99\u627f\u3067\u304d\u307e\u3059\u3002class Person { public $name; private $age; protected $gender; \/\/ ... } class Student extends Person { private $grade; \/\/ ... } $john = new Student(); $john->name = \"John\"; \/\/ \u53ef\u4ee5\u8bbf\u95ee\u7236\u7c7b\u7684\u516c\u5171\u5c5e\u6027 $john->age = 30; \/\/ \u4e0d\u80fd\u8bbf\u95ee\u7236\u7c7b\u7684\u79c1\u6709\u5c5e\u6027 $john->gender = \"male\"; \/\/ \u4e0d\u80fd\u8bbf\u95ee\u7236\u7c7b\u7684\u53d7\u4fdd\u62a4\u5c5e\u6027<\/code><\/li>\n\n\n\n\u7d99\u627f\u30e1\u30bd\u30c3\u30c9: \u5b50\u30af\u30e9\u30b9\u306f\u3001\u89aa\u30af\u30e9\u30b9\u304b\u3089\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3057\u3001\u5b50\u30af\u30e9\u30b9\u3067\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9class Person { public function sayHello() { echo \"Hello!\"; } } class Student extends Person { public function sayHello() { echo \"Hi, I am a student!\"; } } $john = new Student(); $john->sayHello(); \/\/ \u8f93\u51fa \"Hi, I am a student!\"<\/code><\/li>\n\n\n\n\u89aa\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059: \u5b50\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3059\u308b\u5834\u5408\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u540c\u3058\u540d\u524d\u306e\u89aa\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9parent::<\/code>class Person { public function sayHello() { echo \"Hello!\"; } } class Student extends Person { public function sayHello() { parent::sayHello(); echo \"I am a student.\"; } } $john = new Student(); $john->sayHello(); \/\/ \u8f93\u51fa \"Hello!I am a student.\"<\/code><\/li>\n<\/ol>\n\n\n\n\u8981\u7d04\u3059\u308b\u3068\u3001\u30af\u30e9\u30b9\u7d99\u627f\u306f\u3001\u958b\u767a\u8005\u304c\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u3092\u5b9f\u73fe\u3057\u3001\u30b3\u30fc\u30c9\u306e\u4fdd\u5b88\u6027\u3001\u304a\u3088\u3073\u62e1\u5f35\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u306e\u306b\u5f79\u7acb\u3064\u3001PHP\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6a5f\u80fd\u3067\u3059\u3002 \u30af\u30e9\u30b9\u7d99\u627f\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u3001\u52b9\u679c\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u66f8\u304f\u305f\u3081\u306b\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\nPHP\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30af\u30e9\u30b9\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u30af\u30e9\u30b9\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u30af\u30e9\u30b9\u306b\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3001\u5916\u90e8\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3057\u3066\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u3057\u307e\u3059\u3002 PHP\u3067\u306e\u30af\u30e9\u30b9\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u57fa\u672c\u7684\u306a\u8981\u7d20\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u30a2\u30af\u30bb\u30b9\u5236\u5fa1: PHP \u3067\u306f\u3001\u3001\u3001\u304a\u3088\u3073\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u5916\u90e8\u3078\u306e\u53ef\u8996\u6027\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9public<\/code>private<\/code>protected<\/code>class Person { public $name; \/\/ \u516c\u5171\u5c5e\u6027\uff0c\u4efb\u4f55\u5730\u65b9\u90fd\u53ef\u4ee5\u8bbf\u95ee private $age; \/\/ \u79c1\u6709\u5c5e\u6027\uff0c\u53ea\u6709\u672c\u7c7b\u4e2d\u53ef\u4ee5\u8bbf\u95ee protected $gender; \/\/ \u53d7\u4fdd\u62a4\u5c5e\u6027\uff0c\u53ea\u6709\u672c\u7c7b\u53ca\u5176\u5b50\u7c7b\u53ef\u4ee5\u8bbf\u95ee public function sayHello() { echo \"Hello!\"; } private function sayGoodbye() { echo \"Goodbye!\"; } protected function sayWelcome() { echo \"Welcome!\"; } } $john = new Person(); $john->name = \"John\"; \/\/ \u53ef\u4ee5\u8bbf\u95ee\u516c\u5171\u5c5e\u6027 $john->age = 30; \/\/ \u4e0d\u80fd\u8bbf\u95ee\u79c1\u6709\u5c5e\u6027 $john->gender = \"male\"; \/\/ \u4e0d\u80fd\u8bbf\u95ee\u53d7\u4fdd\u62a4\u5c5e\u6027 $john->sayHello(); \/\/ \u53ef\u4ee5\u8bbf\u95ee\u516c\u5171\u65b9\u6cd5 $john->sayGoodbye(); \/\/ \u4e0d\u80fd\u8bbf\u95ee\u79c1\u6709\u65b9\u6cd5 $john->sayWelcome(); \/\/ \u4e0d\u80fd\u8bbf\u95ee\u53d7\u4fdd\u62a4\u65b9\u6cd5<\/code><\/li>\n\n\n\n\u30b2\u30c3\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3068\u30bb\u30c3\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9:\u30af\u30e9\u30b9\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001phpCopy\u30b3\u30fc\u30c9\u306a\u3069\u306e\u30b2\u30c3\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3068\u30bb\u30c3\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059class Person { private $age; public function getAge() { return $this->age; } public function setAge($age) { if ($age > 0 && $age < 150) { $this->age = $age; } else { throw new Exception(\"Invalid age!\"); } } } $john = new Person(); $john->setAge(30); echo $john->getAge(); \/\/ \u8f93\u51fa 30<\/code><\/li>\n\n\n\n\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30d7\u30ed\u30d1\u30c6\u30a3: \u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059 (\u3064\u307e\u308a\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067\u306e\u307f\u521d\u671f\u5316\u3067\u304d\u3001\u5916\u90e8\u3067\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093)\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9class Person { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } $john = new Person(\"John\"); echo $john->getName(); \/\/ \u8f93\u51fa \"John\" $john->name = \"Tom\"; \/\/ \u4e0d\u80fd\u4fee\u6539\u53ea\u8bfb\u5c5e\u6027<\/code><\/li>\n<\/ol>\n\n\n\n\u8981\u7d04\u3059\u308b\u3068\u3001\u30af\u30e9\u30b9\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306fPHP\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3042\u308a\u3001\u958b\u767a\u8005\u304c\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u4fdd\u8b77\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u30af\u30e9\u30b9\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u3001\u52b9\u7387\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u66f8\u304f\u305f\u3081\u306b\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\nPHP\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30af\u30e9\u30b9\u306e\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001\u30af\u30e9\u30b9\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3042\u308a\u3001\u540c\u3058\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u304d\u306b\u7570\u306a\u308b\u52d5\u4f5c\u3092\u751f\u6210\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u540c\u3058\u30af\u30e9\u30b9\u306e\u7570\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u3057\u307e\u3059\u3002 PHP\u306e\u30af\u30e9\u30b9\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u57fa\u672c\u7684\u306a\u8981\u7d20\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n\u7d99\u627f\u3068\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9:PHP\u3067\u306f\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u89aa\u30af\u30e9\u30b9\u304b\u3089\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3067\u304d\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3067\u304d\u307e\u3059\u3002 \u4f8b: phpCopy \u30b3\u30fc\u30c9class Person { public function sayHello() { echo \"Hello!\"; } } class Student extends Person { public function sayHello() { echo \"Hi, I am a student!\"; } } $john = new Student(); $john->sayHello(); \/\/ \u8f93\u51fa \"Hi, I am a student!\"<\/code><\/li>\n\n\n\n\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9: PHP \u3067\u306f\u3001\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 \u62bd\u8c61\u30af\u30e9\u30b9\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3067\u304d\u306a\u3044\u30af\u30e9\u30b9\u3067\u3042\u308a\u3001\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9 (\u30e1\u30bd\u30c3\u30c9 \u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u307f\u3001\u30e1\u30bd\u30c3\u30c9\u672c\u4f53\u306a\u3057) \u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4e00\u65b9\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u307f\u3092\u542b\u307f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u672c\u4f53\u3092\u542b\u307e\u306a\u3044\u69cb\u9020\u4f53\u3067\u3059\u3002 \u30b5\u30d6\u30af\u30e9\u30b9\u306f\u3001\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u307e\u305f\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u4e0a\u8a18\u306e\u4f8b\u306e phpCopy \u30b3\u30fc\u30c9\u306f\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u3059\u3002 \u306f\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u3059\u3002 \u306f\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u30af\u30e9\u30b9\u306f\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u304c\u5b9f\u88c5\u3055\u308c\u3001\u30e1\u30bd\u30c3\u30c9\u304c\u5b9f\u88c5\u3055\u308c\u307e\u3059\u3002abstract class Animal { abstract public function makeSound(); } class Cat extends Animal { public function makeSound() { echo \"Meow!\"; } } interface Movable { public function move(); } class Car implements Movable { public function move() { echo \"The car is moving.\"; } } <\/code>Animal<\/code>makeSound()<\/code>Cat<\/code>Animal<\/code>makeSound()<\/code>Movable<\/code>move()<\/code>Car<\/code>Movable<\/code>move()<\/code><\/li>\n<\/ol>\n\n\n\n\u8981\u7d04\u3059\u308b\u3068\u3001\u30af\u30e9\u30b9 \u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u3001\u958b\u767a\u8005\u304c\u3088\u308a\u67d4\u8edf\u3067\u62e1\u5f35\u53ef\u80fd\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002 \u52b9\u7387\u7684\u306aPHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u30af\u30e9\u30b9\u306e\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u306a\u4f7f\u7528\u306b\u7fd2\u719f\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\nPHP\u3068MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u63a5\u7d9a\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
PHP\u3067\u306f\u3001MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u63a5\u7d9a\u306f\u975e\u5e38\u306b\u4e00\u822c\u7684\u306a\u8981\u4ef6\u3067\u3042\u308a\u3001\u901a\u5e38\u3001\u63a5\u7d9a\u3092\u5b8c\u4e86\u3059\u308b\u306b\u306fPHP\u304c\u63d0\u4f9b\u3059\u308bMySQL\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 PHP\u304a\u3088\u3073MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u57fa\u672c\u7684\u306a\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\nMySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u60c5\u5831\u3092\u69cb\u6210\u3059\u308b: PHP\u30b3\u30fc\u30c9\u3067\u306f\u3001MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30db\u30b9\u30c8\u540d\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u3092\u69cb\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 PHP\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u69cb\u6210\u3067\u304d\u307e\u3059\u3002 \u4f8b: perl\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9mysqli_connect()<\/code>$host = \"localhost\"; $user = \"username\"; $password = \"password\"; $database = \"dbname\"; $conn = mysqli_connect($host, $user, $password, $database); if (!$conn) { die(\"Connection failed: \" . mysqli_connect_error()); }<\/code><\/li>\n\n\n\nSQL \u30af\u30a8\u30ea\u306e\u5b9f\u884c: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u304c\u78ba\u7acb\u3055\u308c\u308b\u3068\u3001SQL \u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002 PHP \u306e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002 \u4f8b:\u30d0\u30c3\u30b7\u30e5\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9mysqli_query()<\/code>$sql = \"SELECT * FROM users\"; $result = mysqli_query($conn, $sql); if (mysqli_num_rows($result) > 0) { while ($row = mysqli_fetch_assoc($result)) { echo \"ID: \" . $row[\"id\"] . \" Name: \" . $row[\"name\"]; } } else { echo \"No results found.\"; }<\/code><\/li>\n\n\n\n\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u9589\u3058\u308b: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u9589\u3058\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 PHP\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u63a5\u7d9a\u3092\u9589\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001scssCopy \u30b3\u30fc\u30c9mysqli_close()<\/code>
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