{"id":10437,"date":"2020-05-05T10:00:06","date_gmt":"2020-05-05T01:00:06","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=10437"},"modified":"2023-10-14T09:50:33","modified_gmt":"2023-10-14T00:50:33","slug":"%e3%80%90php%e3%80%91%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=10437","title":{"rendered":"\u3010PHP\u3011\u300c\u5909\u6570\u300d\u3001\u300c\u5b9a\u6570\u300d\u3001\u300c\u914d\u5217\u300d\u3001\u300c\u9023\u60f3\u914d\u5217\u300d\u3001\u300c\u6761\u4ef6\u5206\u5c90\u300d\u3001\u300c\u8ad6\u7406\u6f14\u7b97\u5b50\u300d\u3001\u300c\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u300d"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u51fa\u529b<\/h2>\n\n\n\n<p>print\u3068echo\u4e8c\u3064\u3042\u308a\u307e\u3059\u3002\u7d50\u8ad6\u3069\u3061\u3089\u3082\u5927\u3057\u3066\u9055\u3044\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u623b\u308a\u5024\u3092\u8fd4\u3059\u304b\u3068\u5f15\u6570\u3092\u8907\u6570\u53d6\u308c\u308b\u304b\u306e\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">print<\/h3>\n\n\n\n<p>\u623b\u308a\u5024\u306f\u5e38\u306b1\u3092\u8fd4\u3057\u307e\u3059\u3002\u5f15\u6570\u306f\u4e00\u3064\u3057\u304b\u53d6\u308c\u307e\u305b\u3093\u3002C\u8a00\u8a9e\u306e\u540d\u6b8b\u3067\u6b8b\u3063\u3066\u3044\u308b\u95a2\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>print('\u3053\u3093\u306b\u3061\u306f');<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">echo<\/h3>\n\n\n\n<p>\u623b\u308a\u5024\u304cvoid\u306a\u306e\u3067\u5024\u3092\u8fd4\u3055\u306a\u3044\u3067\u3059\u3002\u307e\u305f\u5f15\u6570\u3092\u8907\u6570\u3068\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\uff08\u4e0b\u306e\u4f8b\u306a\u308912\u3092\u8fd4\u3057\u307e\u3059\u3002\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo 1,2;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6587\u5b57\u5217\u306e\u30b3\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b7\u30f3\u30b0\u30eb\u30b3\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p>\u5358\u7d14\u306a\u6587\u5b57\u5217\u306b\u306a\u308a\u307e\u3059\u3002\u7279\u5225\u306a\u7406\u7531\u304c\u306a\u3051\u308c\u3070\u3053\u308c\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c0\u30d6\u30eb\u30b3\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p>\u6539\u884c\u30b3\u30fc\u30c9\u306a\u3069\u3092\u5165\u308c\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo \"\u3053\u3093\u306b\u3061\u306f\u3001\\n2\u884c\u76ee\"<\/code><\/pre>\n\n\n\n<p>\u307e\u305f\u3001\u4e2d\u62ec\u5f27\u3067\u56f2\u3063\u3066\u3042\u3052\u308b\u3053\u3068\u3067\u5909\u6570\u306e\u5f0f\u5c55\u958b\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$hensu = \"\u30c6\u30b9\u30c83\";\necho \"{$hensu}\u3067\u3059\u3002\"<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5909\u6570<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/\u6570\u5b57\n$num = 123;\necho $num;\n\necho(\"&lt;br&gt;\");\n\n\/\/\u6587\u5b57\n$str = '\u6587\u5b57';\necho $str;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5909\u6570\u306e\u578b\u3092\u8abf\u3079\u308b<\/h3>\n\n\n\n<p>PHP\u306f\u52d5\u7684\u578b\u4ed8\u3051\u306e\u8a00\u8a9e\u306a\u306e\u3067\u76f4\u63a5\u578b\u3092\u6307\u5b9a\u3057\u307e\u305b\u3093\u304c\u3001\u4ee3\u5165\u3057\u305f\u3089\u578b\u304c\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\u3002<span style=\"color: #ff0000;\"><strong>var_dump<\/strong><\/span>\u3068\u3044\u3046\u95a2\u6570\u3092\u4f7f\u3046\u4e8b\u3067\u3069\u3093\u306a\u578b\u304b\u3092\u8abf\u3079\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">echo(\"&lt;br&gt;\");\nvar_dump($num); \/\/int(123)\necho(\"&lt;br&gt;\");\nvar_dump($str); \/\/string(6) \"\u6587\u5b57\"<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5909\u6570\u306e\u547d\u540d\u898f\u5247<\/h3>\n\n\n\n<ul>\n<li>\u5148\u982d\u306e\u6587\u5b57\u306f\u5fc5\u305a<span style=\"color: #ff0000;\"><strong>\u300c\u82f1\u5b57\u300d<\/strong><\/span>\u304b<span style=\"color: #ff0000;\"><strong>\u300c_(\u30a2\u30f3\u30c0\u30fc\u30d0\u30fc)\u300d<\/strong><\/span>\u306b\u3059\u308b\u3002\uff08\u6570\u5b57\u3060\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5909\u6570\u540c\u58eb\u3092\u7d50\u5408\u3059\u308b\u3002<\/h3>\n\n\n\n<p><span class=\"s1\">.(<\/span>\u30d4\u30ea\u30aa\u30c9<span class=\"s1\">)<\/span>\u3092\u4f7f\u3048\u3070\u6587\u5b57\u3092\u7d50\u5408\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001<span style=\"color: #ff0000;\"><strong>\u4eee\u306b\u6570\u5b57\u540c\u58eb\u3092\u7d50\u5408\u3057\u305f\u3068\u3057\u3066\u3082\u6587\u5b57\u5217\u578b\uff08<span class=\"s1\">string<\/span>\uff09<\/strong><\/span>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/\u6570\u5b57\n$num1 = 123;\n$num2 = 456;\n$num3 = $num1 . $num2;\necho($num3); \/\/123456\nvar_dump($num3); \/\/string(6) \"123456\"\u3000\u2190\u6587\u5b57\u5217\u306b\u306a\u308b\u3002<\/pre>\n\n\n\n<p><span class=\"s1\">.(<\/span>\u30d4\u30ea\u30aa\u30c9<span class=\"s1\">)<\/span>\u3092\u4f7f\u3048\u3070\u6587\u5b57\u3092\u7d50\u5408\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002\u4eee\u306b\u6570\u5b57\u540c\u58eb\u3092\u7d50\u5408\u3057\u305f\u3068\u3057\u3066\u3082\u6587\u5b57\u5217\u578b\uff08<span class=\"s1\">string<\/span>\uff09\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/\u6570\u5b57\n$num1 = 123;\n$num2 = 456;\n$num3 = $num1 . $num2;\necho($num3); \/\/123456\nvar_dump($num3); \/\/string(6) \"123456\"<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7<\/h3>\n\n\n\n<p>\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u306f\u4e0b\u8a18\u306e2\u3064\u306b\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7<\/li>\n\n\n\n<li>\u30ed\u30fc\u30ab\u30eb\u30b9\u30b3\u30fc\u30d7<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7<\/h4>\n\n\n\n<p>\u4f55\u306e\u30d6\u30ed\u30c3\u30af\u306b\u3082\u56f2\u307e\u308c\u3066\u3044\u306a\u3044\u5909\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30ed\u30fc\u30ab\u30eb\u30b9\u30b3\u30fc\u30d7<\/h4>\n\n\n\n<p>\u95a2\u6570\u7b49\u306e\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u5909\u6570\u3067\u3059\u3002\u305d\u306e\u30d6\u30ed\u30c3\u30af\u5185\u3067\u306e\u307f\u3057\u304b\u53c2\u7167\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f8b<\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">$global_val = \"\u30b0\u30ed\u30fc\u30d0\u30eb\";\n\nfunction kansu(){\n  $local_val = \"\u30ed\u30fc\u30ab\u30eb\";\n}\necho $global_val; \/\/\u30b0\u30ed\u30fc\u30d0\u30eb\necho $local_val;  \/\/\u4f55\u3082\u51fa\u529b\u3055\u308c\u306a\u3044<\/pre>\n\n\n\n<p>\u5b9f\u52d9\u3067\u306f\u4f7f\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b<span style=\"color: #ff0000;\"><strong>global\u30ad\u30fc\u30ef\u30fc\u30c9<\/strong><\/span>\u3092\u4f7f\u3048\u3070\u95a2\u6570\u5185\u3067\u3082\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\u306e\u5909\u6570\u3092\u4f7f\u7528\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$global_val = \"\u30b0\u30ed\u30fc\u30d0\u30eb\";\n\nfunction kansu(){\n  $local_val = \"\u30ed\u30fc\u30ab\u30eb\";\n  global $global_val;\n  echo $global_val; \/\/\u30b0\u30ed\u30fc\u30d0\u30eb\n}\nkansu();<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9a\u6570<\/h2>\n\n\n\n<p>\u5b9a\u6570\u306f<span style=\"color: #ff0000;\"><strong>const<\/strong><\/span>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002<span style=\"color: #ff0000;\"><strong>\u4e00\u5ea6\u5b9a\u7fa9\u3057\u305f\u5b9a\u6570\u3092\u4e0a\u66f8\u304d\u3092\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/strong><\/span><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">const MAX = 10;\necho MAX;\necho(\"&lt;br>\");\nconst STR = '\u3042\u3044\u3046';\necho STR;<\/pre>\n\n\n\n<p>\u307e\u305f\u3001\u30ec\u30ac\u30b7\u30fc\u306a\u5b9a\u6570\u5b9a\u7fa9\u69cb\u6587\u306b\u300cdefine\u300d\u304c\u3042\u308a\u307e\u3059\u304c\u95a2\u6570\u306a\u306e\u3067const\u3088\u308a\u901f\u5ea6\u304c\u843d\u3061\u308b\u306e\u3067\u4f7f\u3048\u308b\u74b0\u5883\u3067\u3042\u308c\u3070\u3067\u304d\u308b\u3060\u3051const\u3092\u5229\u7528\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u914d\u5217<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u7fa9\u65b9\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">$array = [1,2,3];\necho $array[0]; \/\/1<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u914d\u5217\u306e\u4e2d\u306e\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u3066\u307f\u308b\u3002<\/h3>\n\n\n\n<p>echo\u3060\u3068\u4e00\u3064\u4e00\u3064\u3057\u304b\u78ba\u8a8d\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u305b\u3093\u304c\u3001<span style=\"color: #ff0000;\"><strong>var_dump<\/strong><\/span>\u3092\u4f7f\u3048\u3070\u307e\u3068\u3081\u3066\u78ba\u8a8d\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$array = [1,2,3];\nvar_dump($array); \/\/array(3) { [0]=&gt; int(1) [1]=&gt; int(2) [2]=&gt; int(3) }<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">pre\u30bf\u30b0\u3067\u898b\u3084\u3059\u304f\u3059\u308b\u3002<\/h4>\n\n\n\n<p>\u305d\u306e\u307e\u307evar_dump\u3092\u4f7f\u3063\u305f\u3060\u3051\u3060\u3068\u898b\u3065\u3089\u3044\u306e\u3067<span style=\"color: #ff0000;\"><strong>pre\u30bf\u30b0\u3067\u56f2\u3046\u3053\u3068\u3067\u7e26\u306b\u4e26\u3079\u3066\u898b\u3084\u3059\u304f\u3059\u308b\u4e8b\u304c\u53ef\u80fd<\/strong><\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">echo(\"&lt;pre&gt;\");\nvar_dump($array); \/\/array(3) { [0]=&gt; int(1) [1]=&gt; int(2) [2]=&gt; int(3) }\necho(\"&lt;\/pre&gt;\");<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u591a\u6b21\u5143\u914d\u5217\u3092\u4f7f\u3046<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">$array = [[1,2,3],[4,5,6]];\nvar_dump($array); \/\/array(2) { [0]=&gt; array(3) { [0]=&gt; int(1) [1]=&gt; int(2) [2]=&gt; int(3) } [1]=&gt; array(3) { [0]=&gt; int(4) [1]=&gt; int(5) [2]=&gt; int(6) } }\u308c<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">array_push<\/h3>\n\n\n\n<p>\u914d\u5217\u306e\u672b\u5c3e\u306b\u65b0\u3057\u3044\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$array = ['\u592a\u90ce','\u6b21\u90ce'];\narray_push($array,'\u4e09\u90ce');\nvar_dump($array); \/\/array(3) { [0]=&gt; string(6) \"\u592a\u90ce\" [1]=&gt; string(6) \"\u6b21\u90ce\" [2]=&gt; string(6) \"\u4e09\u90ce\" }<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">foreach<\/h3>\n\n\n\n<p>foreach\u3092\u4f7f\u3048\u3070\u4e00\u3064\u4e00\u3064\u914d\u5217\u306e\u8981\u7d20\u3092\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$array = &#91;'\u592a\u90ce','\u6b21\u90ce'];\nforeach ($array as $value){\n  echo $value; \/\/ \u592a\u90ce\u306a\u3069\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u9023\u60f3\u914d\u5217<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u7fa9\u65b9\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">$person = [\n  'name' =&gt; '\u592a\u90ce',\n  'age' =&gt; 25\n];\necho $person['name']; \/\/\u592a\u90ce\nvar_dump($person); \/\/array(2) { [\"name\"]=&gt; string(6) \"\u592a\u90ce\" [\"age\"]=&gt; int(25) }<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5165\u308c\u5b50\u306b\u3059\u308b\u3002<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">$persons = [\n  'person1' =&gt; [\n    'name' =&gt; '\u592a\u90ce',\n    'age' =&gt; 25  \n  ],\n  'person2' =&gt; [\n    'name' =&gt; '\u82b1\u5b50',\n    'age' =&gt; 23\n  ]\n];\nvar_dump($persons); \/\/array(2) { [\"person1\"]=&gt; array(2) { [\"name\"]=&gt; string(6) \"\u592a\u90ce\" [\"age\"]=&gt; int(25) } [\"person2\"]=&gt; array(2) { [\"name\"]=&gt; string(6) \"\u82b1\u5b50\" [\"age\"]=&gt; int(23) } }<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">foreach<\/h3>\n\n\n\n<p><span class=\"s1\">foreach<\/span>\u3092\u4f7f\u3048\u3070\u9023\u60f3\u914d\u5217\u304b\u3089\u5024\u306e\u4e00\u89a7\u3092\u53d6\u5f97\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">echo(\"&lt;br>\");\necho(\"&lt;br>\");\n$persons = [\n  'name' => '\u592a\u90ce',\n  'age' => 25  \n];\nforeach($persons as $key => $value){\n  echo $key; \/\/name\u3084age\n  echo $value; \/\/\u592a\u90ce\u308425\n}\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6761\u4ef6\u5206\u5c90<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">if\u6587<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">$a = 5;\nif ( $a == 5 ){\n  echo \"5\u3067\u3059\u3002\";\n} else if($a ==3){\n  echo \"3\u3067\u3059\u3002\";\n}else{\n  echo \"5\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\";\n}\n<\/pre>\n\n\n\n<p><span class=\"s1\">else<\/span>\u3084<span class=\"s1\">else if<\/span>\u306f\u4f7f\u3048\u307e\u3059\u304c\u53ef\u8aad\u6027\u306e\u70b9\u304b\u3089\u3042\u307e\u308a\u4f7f\u308f\u306a\u3044\u65b9\u304c\u826f\u3044\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u4e0b\u8a18\u306e\u3088\u3046\u306b<span class=\"s1\">if<\/span>\u306e\u307f\u4f7f\u3063\u3066\u8a18\u8ff0\u3059\u308b\u3088\u3046\u306b\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">if ( $a == 5 ){\n  echo \"5\u3067\u3059\u3002\";\n}\n\nif($a ==3){\n  echo \"3\u3067\u3059\u3002\";\n}\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u9805\u6f14\u7b97\u5b50<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">\u6761\u4ef6 ? \u771f \uff1a \u507d<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">switch\u6587<\/h3>\n\n\n\n<p><span class=\"s1\">PHP<\/span>\u306e<span class=\"s1\">switch<\/span>\u6587\u306f\u6ce8\u610f\u3059\u3079\u304d\u70b9\u304c\u3042\u308b\u306e\u3067\u3067\u304d\u308c\u3070<span class=\"s1\">if<\/span>\u6587\u3092\u4f7f\u3046\u3088\u3046\u306b\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$m = 2;\nswitch($m){\n  case 1:\n    echo '1\u3067\u3059\u3002';\n    break;\n  case 2:\n    echo '2\u3067\u3059\u3002';\n    break;\n  case 3:\n    echo '3\u3067\u3059\u3002';\n    break;\n  default:\n    echo '\u305d\u306e\u4ed6\u3067\u3059';\n    break;\n}\n<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3068\u578b\u3082\u542b\u3081\u3066\u5224\u5b9a\u3092\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u578b\u3082\u542b\u3081\u3066\u5224\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$m = 2;\nswitch($m){\n  case $m === 1:\n    echo '1\u3067\u3059\u3002';\n    break;\n  case $m === 2:\n    echo '2\u3067\u3059\u3002';\n    break;\n  case $m === 3:\n    echo '3\u3067\u3059\u3002';\n    break;\n  default:\n    echo '\u305d\u306e\u4ed6\u3067\u3059';\n    break;\n}\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">empty<\/h3>\n\n\n\n<p><span style=\"color: #ff0000;\"><strong>empty\u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u3092\u4f7f\u3046\u4e8b\u3067\u5909\u6570\u304c\u7a7a\u767d\u304b\u3069\u3046\u304b\u5224\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$b;\nif(empty($b)){\n  echo \"\u5024\u304c\u7a7a\u3067\u3059\";\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u7a2e\u985e<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\u7a2e\u985e<\/th><th>\u8aac\u660e<\/th><\/tr><tr><td>\n<p class=\"p1\">!=<\/p>\n<\/td><td>\n<p class=\"p1\">\u3067\u306f\u306a\u3044\u5834\u5408<\/p>\n<\/td><\/tr><tr><td>\n<p class=\"p1\">!==<\/p>\n<\/td><td>\n<p class=\"p1\">\u5024\u3068\u578b\u304c\u7570\u306a\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002<\/p>\n<\/td><\/tr><tr><td>\n<p class=\"p1\">==<\/p>\n<\/td><td>\n<p class=\"p1\">\u5024\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002<\/p>\n<\/td><\/tr><tr><td>\n<p class=\"p1\">===<\/p>\n<\/td><td>\n<p class=\"p1\">\u5024\u3068\u578b\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002<\/p>\n<\/td><\/tr><tr><td>\n<p class=\"p1\">&amp;&amp;<\/p>\n<\/td><td>\n<p class=\"p1\">\u304b\u3064<span class=\"s1\">(and<\/span>\u3068\u3044\u3046\u8a18\u8ff0\u6cd5\u3067\u3082\u826f\u3044\u304c<span class=\"s1\">&amp;&amp;<\/span>\u306e\u65b9\u304c\u591a\u3044\u3067\u3059\u3002<span class=\"s1\">)<\/span><\/p>\n<\/td><\/tr><tr><td>\n<p class=\"p1\">||<\/p>\n<\/td><td>\n<p class=\"p1\">\u307e\u305f\u306f<span class=\"s1\">(or<\/span>\u3068\u3044\u3046\u8a18\u8ff0\u6cd5\u3067\u3082\u826f\u3044\u304c<span class=\"s1\">||<\/span>\u306e\u65b9\u304c\u591a\u3044\u3067\u3059\u3002<span class=\"s1\">)<\/span><\/p>\n<\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u306e\u7a2e\u985e<\/h2>\n\n\n\n<p>PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u306f\u4e0b\u8a183\u7a2e\u985e\u306e\u3044\u305a\u308c\u304b\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u30d5\u30a1\u30a4\u30eb\u540d\u578b\uff08\u30d5\u30a1\u30a4\u30eb\u3054\u3068\uff09<\/li>\n\n\n\n<li>\u30b9\u30c8\u30ea\u30fc\u30e0\u578b\uff081\u884c\u3054\u3068\uff09<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30eb\u540d\u578b<\/h3>\n\n\n\n<p>\u4e00\u756a\u624b\u8efd\u306b\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>file_get_contents<\/li>\n\n\n\n<li>file_put_contents<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">file_get_contents<\/h4>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30eb\u5185\u5bb9\u3092\u4e00\u62ec\u3067\u5168\u3066\u51fa\u529b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$file = '.contact.dat';\necho file_get_contents($file); \/\/\u30d5\u30a1\u30a4\u30eb\u5185\u5bb9\u304c\u51fa\u529b\u3055\u308c\u308b\u3002<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">file_put_contents<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e0a\u66f8\u304d<\/h5>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30eb\u306b\u7b2c\u4e8c\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u5185\u5bb9\u3092\u51fa\u529b\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3001\u5168\u3066\u4e0a\u66f8\u304d\u3059\u308b\u6319\u52d5\u306b\u306a\u308b\u306e\u3067\u6ce8\u610f\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">file_put_contents($file,\"\u51fa\u529b\u3057\u307e\u3059\u3002\");<\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u8ffd\u8a18<\/h5>\n\n\n\n<p>\u7b2c\u4e09\u5f15\u6570\u306b<span style=\"color: #ff0000;\"><strong>FILE_APPEND<\/strong><\/span>\u3068\u6307\u5b9a\u3059\u308b\u4e8b\u3067\u8ffd\u8a18\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<span style=\"color: #ff0000;\"><strong>\\n<\/strong><\/span>\u3067\u6539\u884c\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">file_put_contents($file,\"\\n\u8ffd\u8a18\u3057\u307e\u3059\u3002\",FILE_APPEND);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c8\u30ea\u30fc\u30e0\u578b<\/h3>\n\n\n\n<ul>\n<li>fopen<\/li>\n\n\n\n<li>flock<\/li>\n\n\n\n<li>fclose<\/li>\n\n\n\n<li>fgets<\/li>\n\n\n\n<li>fwrite<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">fopen<\/h4>\n\n\n\n<ul>\n<li>\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f<\/li>\n\n\n\n<li>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u304b\u3001\u66f8\u304d\u8fbc\u307f\u5c02\u7528\u304b\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">flock<\/h4>\n\n\n\n<ul>\n<li>\u6392\u4ed6\u5236\u5fa1\u3068\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u4ed6\u306e\u8ab0\u304b\u304c\u958b\u3044\u3066\u3044\u305f\u5834\u5408\u306b\u4f7f\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">fclose<\/h4>\n\n\n\n<ul>\n<li>\u30ed\u30c3\u30af\u3092\u89e3\u9664\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b<\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">$contents = fopen($file,'a+');\nfwrite($contents,\"\\n\".'\u8ffd\u8a18');\nfclose($contents);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b<\/h3>\n\n\n\n<p>SplFileObject<\/p>\n","protected":false},"excerpt":{"rendered":"\u51fa\u529b print\u3068echo\u4e8c\u3064\u3042\u308a\u307e\u3059\u3002\u7d50\u8ad6\u3069\u3061\u3089\u3082\u5927\u3057\u3066\u9055\u3044\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u623b\u308a\u5024\u3092\u8fd4\u3059\u304b\u3068\u5f15\u6570\u3092\u8907\u6570\u53d6\u308c\u308b\u304b\u306e\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002 print \u623b\u308a\u5024\u306f\u5e38\u306b1\u3092\u8fd4\u3057\u307e\u3059\u3002\u5f15\u6570\u306f\u4e00\u3064\u3057\u304b\u53d6\u308c\u307e\u305b\u3093\u3002C\u8a00\u8a9e\u306e\u540d\u6b8b\u3067\u6b8b\u3063\u3066\u3044\u308b [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[100],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10437"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10437"}],"version-history":[{"count":18,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10437\/revisions"}],"predecessor-version":[{"id":23696,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10437\/revisions\/23696"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10437"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}