{"id":6825,"date":"2022-12-06T11:27:53","date_gmt":"2022-12-06T02:27:53","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=6825"},"modified":"2022-12-10T21:41:32","modified_gmt":"2022-12-10T12:41:32","slug":"php-6","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2022\/12\/06\/php-6\/","title":{"rendered":"PHP\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30ce\u30fc\u30c87(\u7d44\u307f\u8fbc\u307f\u95a2\u65703)"},"content":{"rendered":"
\n

\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u308b<\/p>\n<\/div>\n

\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c(\u53d6\u5f97\u30fb\u4fdd\u5b58\u30fb\u30d9\u30fc\u30b9\u30cd\u30fc\u30e0\u30fb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30d1\u30b9\u3092\u8fd4\u3059\u30fb\u7d76\u5bfe\u30d1\u30b9\u3092\u8fd4\u3059)<\/h3>\n
\n
\n
file_get_contents() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u3059\u3079\u3066\u53d6\u5f97\u3059\u308b\u3002\u307e\u305f\u3001URL\u3092\u6307\u5b9a\u3057\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30bd\u30fc\u30b9\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002 \r\n\r\nfile_put_contents() \r\n\r\n\u6587\u5b57\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3002 \r\n\r\nbasename() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30d1\u30b9\u304b\u3089\u6700\u5f8c\u306b\u3042\u308b\u540d\u524d\u306e\u90e8\u5206\u3092\u8fd4\u3059\u3002 \r\n\r\ndirname() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u304b\u3089\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30d1\u30b9\u3092\u53d6\u308a\u51fa\u3057\u3066\u8fd4\u3059\u3002\r\n\r\ndirname(__FILE__) \u3068\u3059\u308b\u3053\u3068\u3067\u5b9f\u884c\u4e2d\u306ePHP\u30d5\u30a1\u30a4\u30eb\u306e\u3042\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u5f97\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002 \r\n\u3053\u308c\u306f\u300c__DIR__\u300d\u3068\u540c\u7fa9\u3002 \r\n\r\nrealpath() \u30d1\u30b9\u306e\u300c\/.\/\u300d\u3084\u300c\/..\/\u300d\u300c\/\u300d\u306a\u3069\u306e\u53c2\u7167\u3092\u5168\u3066\u89e3\u6c7a\u3057\u3066\u6b63\u898f\u5316\u3057\u305f\u7d76\u5bfe\u30d1\u30b9\u3092\u8fd4\u3059\u3002<\/code><\/pre>\n<\/div>\n<\/div>\n
\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c(\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\uff1f\u30fbF\u3001URL\u30aa\u30fc\u30d7\u30f3\u30fb\u30d5\u30a1\u30a4\u30eb\u30ed\u30c3\u30af\u30fb1\u884c\u53d6\u5f97\u30fb\u30b9\u30d7\u30ea\u30c3\u30c8\u3057\u3066\u53d6\u5f97)<\/h3>\n
\n
file_exists() \r\n\r\n\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u306b\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u304b\u3092\u8abf\u3079\u3066\u8fd4\u3059\u3002 \r\n\r\nfopen() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u3084URL\u3092\u30aa\u30fc\u30d7\u30f3\u3057\u3066\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u7d50\u3073\u3064\u3051\u308b\u3002 \r\n\r\nflock()\r\n\r\nfopen()\u306b\u3088\u3063\u3066\u30aa\u30fc\u30d7\u30f3\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u30ed\u30c3\u30af\u30fb\u958b\u653e\u3092\u884c\u3046\u3002 \r\n\r\nfgets() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u30dd\u30a4\u30f3\u30bf\u304b\u3089\u4e00\u884c\u53d6\u5f97\u3059\u308b\u3002 \r\n\r\nfgetcsv() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u30dd\u30a4\u30f3\u30bf\u304b\u3089\u4e00\u884c\u53d6\u5f97\u3057\u3001\u6307\u5b9a\u3055\u308c\u305f\u6587\u5b57\u3092\u3082\u3068\u306b\u533a\u5207\u3089\u308c\u305f\u914d\u5217\u3092\u8fd4\u3059\u3002<\/code><\/pre>\n<\/div>\n
\u30d5\u30a1\u30a4\u30eb\u95a2\u9023(fopen() \u306b\u3088\u3063\u3066\u30aa\u30fc\u30d7\u30f3\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u8fbc\u307f\u30fb\u30af\u30ed\u30fc\u30ba\u30fb\u30d5\u30a1\u30a4\u30eb\u30dd\u30a4\u30f3\u30bf\u306e\u4f4d\u7f6e\u3092\u5148\u982d\u306b\u623b\u3059\u3002\u5185\u5bb9\u3092\u6307\u5b9a\u3057\u305f\u9577\u3055\u306b\u4e38\u3081\u308b)<\/h3>\n
\n
fwrite() \r\n\r\nfopen() \u306b\u3088\u3063\u3066\u30aa\u30fc\u30d7\u30f3\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u66f8\u304d\u8fbc\u3080\u3002\r\n\r\nfclose() \r\n\r\nfopen() \u306b\u3088\u3063\u3066\u30aa\u30fc\u30d7\u30f3\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u30dd\u30a4\u30f3\u30bf\u3092\u30af\u30ed\u30fc\u30ba\u3059\u308b\u3002 \r\n\r\nrewind() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u30dd\u30a4\u30f3\u30bf\u306e\u4f4d\u7f6e\u3092\u5148\u982d\u306b\u623b\u3059\u3002 \r\n\r\nftruncate() \r\n\r\nfopen() \u306b\u3088\u3063\u3066\u30aa\u30fc\u30d7\u30f3\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u6307\u5b9a\u3057\u305f\u9577\u3055\u306b\u4e38\u3081\u308b\u3002 \r\n\u30b5\u30a4\u30ba\u306b 0 \u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u7a7a\u306b\u3067\u304d\u308b\u3002<\/code><\/pre>\n<\/div>\n
\u30d5\u30a1\u30a4\u30eb\u95a2\u9023(\u30dd\u30a4\u30f3\u30bf\u304c\u7d42\u7aef\u306b\u3044\u308b\u304b\u3069\u3046\u304b\uff1f\u30fbHTTP\u3000POST\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u30fb\u2190\u771f\u306e\u6642\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u79fb\u52d5\u3059\u308b)<\/h3>\n
\n
feof() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u30dd\u30a4\u30f3\u30bf\u304c\u7d42\u7aef\u306b\u9054\u3057\u3066\u3044\u308b\u304b\u3092\u8abf\u3079\u3066\u8fd4\u3059\u3002 \r\n\r\nis_uploaded_file() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u304c HTTP POST \u306b\u3088\u308a\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u304b\u3092\u8abf\u3079\u3066\u8fd4\u3059\u3002 \r\n\u4e0d\u6b63\u64cd\u4f5c\u3092\u9632\u3050\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b\u3002\r\n\r\nmove_uploaded_file() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u304c HTTP POST \u306b\u3088\u308a\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u5834\u5408\u3001\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u79fb\u52d5\u3059\u308b\u3002<\/code><\/pre>\n<\/div>\n
\u30d5\u30a1\u30a4\u30eb\u95a2\u9023(mkdir\u30fb\u30d5\u30a1\u30a4\u30eb\u524a\u9664\u30fb\u30ea\u30cd\u30fc\u30e0\u3084\u79fb\u52d5\u30fb\u30b3\u30d4\u30fc\u30fb\u30d5\u30a1\u30a4\u30eb\u304b\u3069\u3046\u304b\uff1f\u30fb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3069\u3046\u304b\uff1f\u30fbchmod\u30fbchown)Linux\u3068\u540c\u3058\u30b3\u30de\u30f3\u30c9\u3042\u308a<\/h3>\n
\n
mkdir() \r\n\r\n\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u308b\u3002\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3057\u305f\u308a\u5165\u308c\u5b50\u69cb\u9020\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002 \r\n\r\nunlink() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308b\u3002 \r\n\r\nrmdir() \r\n\r\n\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u524a\u9664\u3059\u308b\u3002\r\n\r\nrename() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u5909\u3048\u308b\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u79fb\u52d5\u3059\u308b\u3002 \r\n\r\ncopy() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3002 \r\n\r\nis_file() \r\n\r\n\u6307\u5b9a\u3055\u308c\u305f\u30d1\u30b9\u304c\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u3057\u3066\u3044\u308b\u304b\u3092\u8abf\u3079\u3066\u8fd4\u3059\u3002 \r\n\r\nis_dir() \r\n\r\n\u6307\u5b9a\u3055\u308c\u305f\u30d1\u30b9\u304c\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u6307\u3057\u3066\u3044\u308b\u304b\u3092\u8abf\u3079\u3066\u8fd4\u3059\u3002 \r\n\r\nchmod() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u3092\u5909\u66f4\u3059\u308b\u3002 \r\n\r\nchown() \r\n\r\n\u30d5\u30a1\u30a4\u30eb\u306e\u30aa\u30fc\u30ca\u30fc\u3092\u5909\u66f4\u3059\u308b\u3002<\/code><\/pre>\n<\/div>\n
\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(\u7279\u6b8a\u6587\u5b57\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u30fb\u751fHTTP\u30d8\u30c3\u30c0\u30fc\u3092\u51fa\u529b\u30fb\u6539\u884c\u30bf\u30b0\u5909\u63db\u30fbHTML \u30bf\u30b0\u3092\u53d6\u308a\u9664\u304f\u30fb\u9023\u60f3\u914d\u5217\u304b\u3089URL\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30af\u30a8\u30ea\u6587\u5b57\u5217\u3092\u751f\u6210)<\/h3>\n
\n
htmlspecialchars() \r\n\r\nHTML\u306e\u7279\u6b8a\u6587\u5b57\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u6587\u5b57\u3092HTML\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u5909\u63db\u3059\u308b\u3002\r\n\uff08\u30a8\u30b9\u30b1\u30fc\u30d7\uff09\u300c<\u300d\u306a\u3069\u306f\u300c<\u300d\u306b\u5909\u63db\u3055\u308c\u3001HTML\u30bf\u30b0\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3053\u3068\u3092\u9632\u3052\u308b\u307b\u304b\u3001 \r\n\u4e0d\u6b63\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u30bf\u30b0\u3092\u4ed5\u8fbc\u307e\u308c\u3066\u5b9f\u884c\u3055\u308c\u308b\u30ea\u30b9\u30af\u3092\u56de\u907f\u3067\u304d\u308b\u3002 \r\n\u5927\u62b5\u306f\u300cENT_QUOTES\u300d\u30d5\u30e9\u30b0\u3092\u7528\u3044\u3066\u30b7\u30f3\u30b0\u30eb\u30af\u30a9\u30fc\u30c8\u3082\u5909\u63db\u5bfe\u8c61\u306b\u3059\u308b\u3002 \r\n\r\nheader() \r\n\r\n\u751f\u306e HTTP \u30d8\u30c3\u30c0\u30fc\u3092\u51fa\u529b\u3059\u308b\u3002 \r\n\u300cHTTP\/1.0 404 Not Found\u300d\u306a\u3069\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u51fa\u529b\u3057\u305f\u308a\u3001\r\n\u300cContent-Type: image\/jpeg\u300d\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u30d8\u30c3\u30c0\u30fc\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 \r\n\u300cLocation: http:\/\/www.example.com\u300d\u3068\u3059\u308b\u3053\u3068\u3067\u6307\u5b9a\u3055\u308c\u305f \r\nURL \u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u969b\u306b\u3082\u7528\u3044\u3089\u308c\u308b\u3002\r\n \r\nnl2br() \r\n\r\n\u6587\u5b57\u5217\u306e\u6539\u884c\u7b87\u6240\u3092\u300c<br>\u300d\u306a\u3069\u306e\u6539\u884c\u30bf\u30b0\u306b\u5909\u63db\u3059\u308b\u3002 \r\n\r\nstrip_tags() \r\n\r\n\u6587\u5b57\u5217\u304b\u3089 HTML \u30bf\u30b0\u3092\u53d6\u308a\u9664\u304f\u3002 \u8a31\u53ef\u3059\u308b\u30bf\u30b0\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002 \r\n\r\nhttp_build_query() \r\n\r\n\u9023\u60f3\u914d\u5217\u304b\u3089URL\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30af\u30a8\u30ea\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\u3002 \r\n\u3064\u307e\u308a\u914d\u5217\u3092 GET \u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u4f7f\u3048\u308b\u300cfoo=123&bar=hello\u300d\u306e\u3088\u3046\u306a\u6587\u5b57\u5217\u306b\u5909\u63db\u3067\u304d\u308b\u3002<\/code><\/pre>\n<\/div>\n
(URL\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b\u6587\u5b57\u5217\u306b\u5909\u63db\u30fbGET\u3001POST\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u3046\u3048\u3067\u53d7\u3051\u53d6\u308b\u30fb\u6307\u5b9a\u3057\u305f\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3002\u30fb\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3059\u308b\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u3092\u9632\u3050\u30fb\u30bb\u30c3\u30b7\u30e7\u30f3\u60c5\u5831\u3092\u5168\u3066\u7834\u68c4\u3059\u308b\u30fb\u30af\u30c3\u30ad\u30fc\u306b\u5024\u3092\u4fdd\u5b58\u3059\u308b\u3002)<\/h3>\n
\n
rawurlencode(), rawurldecode() \r\n\r\nrawurlencode() \u306f\u975e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u6587\u5b57\u3092\u30d1\u30fc\u30bb\u30f3\u30c8\u8a18\u53f7\u306816\u9032\u6570\u3092\u7528\u3044\u3066 \r\nURL \u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b\u6587\u5b57\u5217\u306b\u5909\u63db\u3059\u308b\u3002 \r\nrawurldecode() \u306b\u3088\u3063\u3066\u5143\u306e\u6587\u5b57\u5217\u3092\u5fa9\u5143\u3067\u304d\u308b\u3002 \r\n\r\nfilter_input() \r\n\r\nGET\u3001POST \u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u3046\u3048\u3067\u53d7\u3051\u53d6\u308b\u3002 \r\n$_GET\u3001$_POST \u3092\u76f4\u63a5\u64cd\u4f5c\u3059\u308b\u304b\u308f\u308a\u306b\u3053\u306e\u95a2\u6570\u3092\u901a\u3059\u3002 \r\n\r\nfilter_var() \r\n\r\n\u6307\u5b9a\u3057\u305f\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3002 \r\n\u30c7\u30fc\u30bf\u304c\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3068\u3057\u3066\u6b63\u3057\u3044\u66f8\u5f0f\u3067\u3042\u308b\u304b\u3092\u8abf\u3079\u305f\u308a\u3001\r\n\u7279\u6b8a\u6587\u5b57\u3092\u53d6\u308a\u9664\u3044\u305f\u308a\u3059\u308b\u306a\u3069\u3001\u69d8\u3005\u306a\u30d5\u30a3\u30eb\u30bf\u304c\u5229\u7528\u3067\u304d\u308b\u3002 \r\n\r\nsession_start() \r\n\r\n\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3059\u308b\u3002\u30bb\u30c3\u30b7\u30e7\u30f3ID\u3092\u6e21\u3059\u3053\u3068\u3067\u73fe\u5728\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u5fa9\u5e30\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002 \r\n\r\nsession_regenerate_id() \r\n\r\n\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u60c5\u5831\u3092\u4f4d\u7f6e\u3057\u305f\u307e\u307e\u30bb\u30c3\u30b7\u30e7\u30f3ID\u3092\u65b0\u3057\u304f\u751f\u6210\u3057\u305f\u5024\u306b\u7f6e\u304d\u63db\u3048\u308b\u3002\r\n \u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u3092\u9632\u3050\u624b\u6bb5\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u308b\u3002 \r\n\r\nsession_destroy() \r\n\r\n\u30bb\u30c3\u30b7\u30e7\u30f3\u60c5\u5831\u3092\u5168\u3066\u7834\u68c4\u3059\u308b\u3002\u518d\u958b\u3059\u308b\u306b\u306f\u518d\u5ea6 session_start() \u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002 \r\n\r\nsetcookie() \u30af\u30c3\u30ad\u30fc\u306b\u5024\u3092\u4fdd\u5b58\u3059\u308b\u3002\u6709\u52b9\u671f\u9650\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002<\/code><\/pre>\n<\/div>\n
\u30cf\u30c3\u30b7\u30e5\u95a2\u9023(\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u751f\u6210\u3059\u308b\u30fbMD5\u3092\u4f7f\u3044\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u751f\u6210\u3059\u308b\u30fb\u64ec\u4f3c\u4e71\u6570\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u751f\u6210\u3059\u308b\u30fbMIMEbase64\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u30fb\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u30fbJSON\u5f62\u5f0f\u3067\u8fd4\u3057\u305f\u308a\u30fbJSON\u2192\u9023\u60f3\u914d\u5217\u306b\u3059\u308b\u30fb\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u306b\u57fa\u3065\u3044\u305f\u30a8\u30f3\u30b3\u30fc\u30c9\u5909\u63db\u3092\u3057\u3066\u30e1\u30fc\u30eb\u9001\u4fe1)<\/h3>\n
\n
hash() \r\n\r\n\u9078\u629e\u3057\u305f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u57fa\u3065\u3044\u3066\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u751f\u6210\u3059\u308b\u3002\r\n\r\nmd5() \r\n\r\nMD5 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7528\u3044\u3066\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u751f\u6210\u3059\u308b\u3002 \r\n\r\nrandom_bytes() \r\n\r\n\u6697\u53f7\u8ad6\u7684\u306b\u5b89\u5168\u306a\u7591\u4f3c\u4e71\u6570\u751f\u6210\u5668\uff08CSPRNG\uff09\u3092\u4f7f\u3063\u305f\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u4f5c\u6210\u3002 \r\n\r\nbase64_encode(), base64_decode() \r\n\r\n\u6587\u5b57\u5217\u3092 MIME base64 \u65b9\u5f0f\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3001\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u3002 \r\n\r\njson_encode(), json_decode() \r\n\r\n\u9023\u60f3\u914d\u5217\u3092 JSON \u5f62\u5f0f\u306b\u3057\u3066\u8fd4\u3057\u305f\u308a\u3001JSON \u5f62\u5f0f\u306e\u6587\u5b57\u5217\u3092\u9023\u60f3\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u3002 \r\n\r\njson_decode() \u3092\u884c\u3046\u969b\u7b2c\u4e8c\u5f15\u6570\u306b true \u3092\u6307\u5b9a\u3059\u308b\u3068 \r\nstdClass Object \u306e\u304b\u308f\u308a\u306b\u9023\u60f3\u914d\u5217\u306b\u5909\u63db\u3055\u308c\u308b\u3002 \r\n\r\nmb_send_mail() \r\n\r\nmb_language() \u306b\u3088\u308a\u8a2d\u5b9a\u3055\u308c\u305f\u8a00\u8a9e\u306b\u57fa\u3065\u3044\u3066\u30a8\u30f3\u30b3\u30fc\u30c9\u5909\u63db\u3092\u884c\u3063\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3002<\/code><\/pre>\n<\/div>\n
\u305d\u306e\u4ed6(\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u30fb1\u3064\u306e\u307f\u8aad\u307f\u8fbc\u307f\u30fb\u5909\u6570\u306e\u5185\u5bb9\u8868\u793a\u30fb\u5909\u6570\u306e\u8a73\u7d30\u8868\u793a\u30fb
\n\u30ab\u30a6\u30f3\u30c8\u30fb\u5b9a\u6570\u5b9a\u7fa9\u30fb)<\/h3>\n
\n
require();\r\nrequire_once();\r\ninclude();\r\ninclude_once(); \r\n\r\n\u5225\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3002\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u3081\u306a\u3044\u5834\u5408\u306brequire\u306f\u30a8\u30e9\u30fc\u3001\r\ninclude\u306f\u8b66\u544a\u3002_once\u304c\u3064\u3044\u3066\u3044\u308b\u3068\u540c\u540d\u30d5\u30a1\u30a4\u30eb\u306f1\u3064\u306e\u307f\u8aad\u8fbc\u306b\u306a\u308b\u3002\r\n\u8aad\u307f\u8fbc\u3080\u969b\u306f __DIR__ \u3092\u4f7f\u3044\u7d76\u5bfe\u30d1\u30b9\u3067\u6307\u5b9a\u3059\u308b\u3002 \r\n\r\nprint_r() \r\n\r\n\u5909\u6570\u306e\u5185\u5bb9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u8868\u793a\u3059\u308b\u3002 \u6587\u5b57\u5217\u306b\u9650\u3089\u305a\u9023\u60f3\u914d\u5217\u3082\u8868\u793a\u3067\u304d\u308b\u307b\u304b\u3001\r\n\u7b2c\u4e8c\u5f15\u6570\u306b true \u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u7d50\u679c\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u8fd4\u3059\u3053\u3068\u3082\u3067\u304d\u308b\u3002 \r\n\r\nvar_dump() \r\n\r\n\u5909\u6570\u306e\u5185\u5bb9\u3092\u8a73\u7d30\u306b\u30c0\u30f3\u30d7\u3059\u308b\u3002 \u542b\u307e\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3001\u5185\u5bb9\u3092\u7d30\u304b\u304f\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\r\nprint_r() \u3088\u308a\u3082\u8a73\u7d30\u306a\u5185\u5bb9\u3092\u77e5\u308a\u305f\u3044\u6642\u306b\u4f7f\u3046\u3002 \r\n\r\ncount() \r\n\r\n\u914d\u5217\u3084\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u8981\u7d20\u6570\u3092\u6570\u3048\u3066\u8fd4\u3059\u3002 \r\n\r\ndefine() \r\n\r\n\u5b9a\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3002 \u5927\u6587\u5b57\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3067\u540d\u524d\u3092\u3064\u3051\u308b\u7fd2\u6163\u304c\u3042\u308b\u3002<\/code><\/pre>\n<\/div>\n
\u305d\u306e\u4ed6(\u5909\u6570\u5ba3\u8a00\u3055\u308c\u3066\u3044\u308b\u304b\uff1fKey\u304c\u5b58\u5728\u3059\u308b\u304b\uff1f\u30fb\u7a7a(\uff10\u30fbNull\u3001false)\u304b\u3069\u3046\u304b\uff1f\u30fb\u5909\u6570\u7834\u68c4\u30fb\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u95a2\u9023)<\/h3>\n
\n
isset() \r\n\r\n\u5909\u6570\u304c\u5ba3\u8a00\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u914d\u5217\u306b\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u304b\u3092\u8fd4\u3059\u3002 \r\n\u5185\u5bb9\u304c NULL \u3067\u3042\u3063\u3066\u3082 TRUE \u3092\u8fd4\u3059\u3002 \r\n\u914d\u5217\u306b\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u304b\u3092\u8abf\u3079\u308b\u95a2\u6570\u3068\u3057\u3066 array_key_exists() \u304c\u3042\u308b\u304c\u3001\r\n\u305d\u3061\u3089\u306f [\"key\" => NULL] \u306e\u5834\u5408 FALSE \u3092\u8fd4\u3059\u3002 \r\n\r\nempty() \r\n\r\n\u5909\u6570\u306e\u5185\u5bb9\u304c\u7a7a\u3067\u3042\u308b\u304b\u3092\u8fd4\u3059\u3002\u7a7a\u6587\u5b57\u3001\u300c0\u300d\u3001\u7a7a\u914d\u5217\u3001NULL\u3001FALSE \u306a\u3069\u304c\u304b\u3089\u3067\u3042\u308b\u3068\u5224\u65ad\u3055\u308c\u308b\u3002\r\n\r\nunset() \u6307\u5b9a\u3057\u305f\u5909\u6570\u3092\u7834\u68c4\u3059\u308b\u3002\u9023\u60f3\u914d\u5217\u304b\u3089\u4e00\u90e8\u306e\u30ad\u30fc\u3092\u53d6\u308a\u9664\u304f\u969b\u306b\u3082\u4f7f\u3048\u308b\u3002 \r\n\r\ntime(), microtime() \u73fe\u5728\u306eUNIX\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u5f97\u308b\u3002 \r\n1970\u5e741\u67081\u65e5 00:00:00 GMT \u304b\u3089\u306e\u901a\u7b97\u79d2\u3002 \r\n\u30de\u30a4\u30af\u30ed\u79d2\u307e\u3067\u77e5\u308a\u305f\u3044\u5834\u5408\u306f microtime() \u3092\u4f7f\u3046\u3002\r\n\r\nmktime()\r\n\r\n\u6642\u3001\u5206\u3001\u79d2\u3001\u6708\u3001\u65e5\u3001\u5e74 \u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u305d\u306e\u65e5\u6642\u306eUNIX\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u5f97\u308b\u3002\r\n\r\ndate() \r\n\r\nUNIX\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u65e5\u6642\u3092\u8868\u3059\u6587\u5b57\u5217\u3068\u3057\u3066\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u3066\u51fa\u529b\u3059\u308b\u3002\r\n\u65e5\u6642\u306e\u53d6\u308a\u6271\u3044\u306b\u95a2\u3057\u3066\u306f date() \u3088\u308a\u3082 DateTime \u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u30b1\u30fc\u30b9\u304c\u5897\u3048\u3066\u3044\u308b\u3002\r\nCarbon\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3046\u4e8b\u3082\u591a\u3044\u3002<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u308b \u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c(\u53d6\u5f97\u30fb\u4fdd\u5b58\u30fb\u30d9\u30fc\u30b9\u30cd\u30fc\u30e0\u30fb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30d1\u30b9\u3092\u8fd4\u3059\u30fb\u7d76\u5bfe\u30d1\u30b9\u3092\u8fd4\u3059) file_get_contents() \u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u3059\u3079\u3066\u53d6\u5f97\u3059\u308b\u3002\u307e\u305f\u3001URL\u3092\u6307\u5b9a\u3057\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[40,27],"tags":[],"class_list":["post-6825","post","type-post","status-publish","format-standard","hentry","category-php","category-programming-note"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/6825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=6825"}],"version-history":[{"count":13,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/6825\/revisions"}],"predecessor-version":[{"id":6827,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/6825\/revisions\/6827"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=6825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=6825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=6825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}