{"id":6754,"date":"2024-12-01T10:28:00","date_gmt":"2024-12-01T01:28:00","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=6754"},"modified":"2024-08-30T18:38:36","modified_gmt":"2024-08-30T09:38:36","slug":"post-6754","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/6754","title":{"rendered":"PHP8\u7cfb\u304b\u3089\u306f\u6587\u5b57\u5217\u691c\u7d22\u306fstrpos\u3088\u308astr_contains\u304c\u826f\u3055\u305d\u3046"},"content":{"rendered":"<p><a href=\"https:\/\/www.php.net\/releases\/8.0\/ja.php\" target=\"_blank\" rel=\"noopener\">PHP8.0\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u95a2\u3059\u308b\u8a18\u4e8b<\/a>\u3092\u8aad\u3093\u3067\u3044\u305f\u3068\u3053\u308dstr_contains()\u3068\u3044\u3046\u95a2\u6570\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u306e\u306b\u6c17\u4ed8\u3044\u305f\u306e\u3067\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3068\u6587\u5b57\u5217\u691c\u7d22\u306b\u4f7f\u3046\u95a2\u6570\u3089\u3057\u3044\u3002\u6587\u5b57\u5217\u691c\u7d22\u3060\u3068\u4eca\u307e\u3067\u306fstrpos\u3092\u4f7f\u7528\u3057\u3066\u3044\u305f\u3051\u3069\u3001str_contains\u306e\u65b9\u304c\u30b7\u30f3\u30d7\u30eb\u3067\u826f\u3055\u305d\u3046\u3002\u4ee5\u4e0b\u306b\u4f7f\u3044\u65b9\u7b49\u3092\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5229\u7528\u65b9\u6cd5<\/h2>\n<h3>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&lt;?php\r\n$search = '\u3042';\r\n$msg = '\u3042\u3044\u3046\u3048\u304a';\r\n\r\n#strpos\u306e\u5834\u5408\r\nif( strpos($msg, $search) !== false ){\r\n    echo '\u300c' . $search . '\u300d\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u3059';\r\n}else{\r\n    echo '\u300c' . $search . '\u300d\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093';\r\n}\r\n\r\n#str_contains\u306e\u5834\u5408\r\nif( str_contains($msg, $search) ){\r\n    echo '\u300c' . $search . '\u300d\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u3059';\r\n}else{\r\n    echo '\u300c' . $search . '\u300d\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093';\r\n}<\/pre>\n<h3>\u5b9f\u884c\u901f\u5ea6\u306b\u3064\u3044\u3066<\/h3>\n<p><a href=\"https:\/\/github.com\/EFTEC\/php-benchmarks\/tree\/master?tab=readme-ov-file#benchmark-str_contains-vs-str_pos\" target=\"_blank\" rel=\"noopener\">\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3092\u6e2c\u5b9a\u3057\u305f\u8a18\u4e8b<\/a>\u3092\u898b\u308b\u3068\u307b\u307c\u5909\u308f\u3089\u306a\u3044\u6a21\u69d8\u3002\u305f\u3060\u3001\u8a18\u4e8b\u5185\u306b\u3082\u3042\u308b\u901a\u308astr_contains\u306fbool\u5024\u3092\u8fd4\u3059\u306e\u306b\u5bfe\u3057\u3001strpos\u306fint \/ false\u3092\u8fd4\u3059\u305f\u3081\u3042\u3093\u307e\u308a\u76f4\u611f\u7684\u3068\u306f\u8a00\u3048\u306a\u3044\u3002<\/p>\n<h3>\u305d\u306e\u4ed6<\/h3>\n<p>strpos\u306f<a href=\"https:\/\/www.php.net\/manual\/ja\/function.strpos.php\" target=\"_blank\" rel=\"noopener\">\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/a>\u306b\u3088\u308b\u3068\u300c\u6587\u5b57\u5217\u5185\u306e\u90e8\u5206\u6587\u5b57\u5217\u304c\u6700\u521d\u306b\u73fe\u308c\u308b\u5834\u6240\u3092\u898b\u3064\u3051\u308b\u300d\u95a2\u6570\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u6587\u5b57\u5217\u691c\u7d22\u3068\u306f\u3061\u3087\u3063\u3068\u610f\u56f3\u304c\u9055\u3046\u3063\u307d\u3044\u3002\u305d\u3046\u3044\u3063\u305f\u90e8\u5206\u3082\u542b\u3081\u3066PHP8\u7cfb\u304b\u3089\u306fstr_contains\u3092\u4f7f\u3063\u3066\u3044\u3063\u305f\u65b9\u304c\u826f\u3055\u305d\u3046\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/h2>\n<h3>str_contains<\/h3>\n<p><a href=\"https:\/\/www.php.net\/str_contains\" target=\"_blank\" rel=\"noopener\">https:\/\/www.php.net\/str_contains<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP8.0\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u3092\u8aad\u3093\u3067\u3044\u305f\u3068\u3053\u308dstr_contains ... <\/p>\n","protected":false},"author":1,"featured_media":1085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=6754"}],"version-history":[{"count":2,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6754\/revisions"}],"predecessor-version":[{"id":6756,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6754\/revisions\/6756"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1085"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=6754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=6754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=6754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}