{"id":179,"date":"2024-01-31T14:07:51","date_gmt":"2024-01-31T06:07:51","guid":{"rendered":"https:\/\/mianka.xyz\/?p=179"},"modified":"2024-01-31T14:09:29","modified_gmt":"2024-01-31T06:09:29","slug":"php","status":"publish","type":"post","link":"https:\/\/www.mianka.xyz\/?p=179","title":{"rendered":"php \u600e\u4e48\u5b9e\u73b0\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u5b58\u5728\u67d0\u4e2a\u5b57\u7b26"},"content":{"rendered":"<p><span style=\"text-wrap: nowrap;\">\u5728 <a href=\"https:\/\/www.mianka.xyz\/?cat=2\" rel=\"noopener\" class=\"smart-seo-link\">PHP<\/a> \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684\u51fd\u6570 `strpos()` \u6765\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u67d0\u4e2a\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u3002`strpos()` \u51fd\u6570\u8fd4\u56de\u6307\u5b9a\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u5728\u5b57\u7b26\u4e32\u4e2d\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u672a\u627e\u5230\u5219\u8fd4\u56de `false`\u3002<\/span><\/p>\n<p><span style=\"text-wrap: nowrap;\"><br \/><\/span><\/p>\n<p><span style=\"text-wrap: nowrap;\">\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528 `strpos()` \u51fd\u6570\u6765\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u67d0\u4e2a\u5b57\u7b26\uff1a<\/span><\/p>\n<p><\/p>\n<p><span style=\"text-wrap: nowrap;\"><\/span><\/p>\n<pre class=\"prism-highlight prism-language-php\">$string&nbsp;=&nbsp;&quot;Hello,&nbsp;world!&quot;;\n$character&nbsp;=&nbsp;&quot;o&quot;;\nif&nbsp;(strpos($string,&nbsp;$character)&nbsp;!==&nbsp;false)&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;&quot;\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u5b57\u7b26&nbsp;&#39;$character&#39;&quot;;\n}&nbsp;else&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;&quot;\u5b57\u7b26\u4e32\u4e2d\u4e0d\u5305\u542b\u5b57\u7b26&nbsp;&#39;$character&#39;&quot;;\n}<\/pre>\n<p><span style=\"text-wrap: nowrap;\"><\/span><\/p>\n<p><\/p>\n<p><span style=\"text-wrap: nowrap;\">\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32 `$string` \u548c\u4e00\u4e2a\u5b57\u7b26 `$character`\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 `strpos()` \u51fd\u6570\u6765\u67e5\u627e\u5b57\u7b26 `$character` \u5728\u5b57\u7b26\u4e32 `$string` \u4e2d\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u4f4d\u7f6e\u3002\u5982\u679c `strpos()` \u8fd4\u56de\u7684\u503c\u4e0d\u662f `false`\uff0c\u5219\u8868\u793a\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u8be5\u5b57\u7b26\uff0c\u5426\u5219\u8868\u793a\u5b57\u7b26\u4e32\u4e2d\u4e0d\u5305\u542b\u8be5\u5b57\u7b26\u3002<\/span><\/p>\n<p><span style=\"text-wrap: nowrap;\"><br \/><\/span><\/p>\n<p><span style=\"text-wrap: nowrap;\">\u8bf7\u6ce8\u610f\uff0c`strpos()` \u51fd\u6570\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\u3002\u5982\u679c\u4f60\u60f3\u8fdb\u884c\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\u641c\u7d22\uff0c\u53ef\u4ee5\u4f7f\u7528 `stripos()` \u51fd\u6570\u4ee3\u66ff\u3002<\/span><\/p>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p><span style=\"text-wrap: nowrap;\">\u5728 <a href=\"https:\/\/www.mianka.xyz\/?cat=2\" rel=\"noopener\" class=\"smart-seo-link\">PHP<\/a> \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684\u51fd\u6570 `strpos()` \u6765\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u67d0\u4e2a\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u3002`strpos()` \u51fd\u6570\u8fd4\u56de\u6307\u5b9a\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u5728\u5b57\u7b26\u4e32\u4e2d\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u672a\u627e\u5230\u5219\u8fd4\u56de `false`\u3002<\/span><\/p>\n<p><span style=\"text-wrap: nowrap;\"><br \/><\/span><\/p>\n<p><span style=\"text-wrap: nowrap;\">\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528 `strpos()` \u51fd\u6570\u6765\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u67d0\u4e2a\u5b57\u7b26\uff1a<\/span><\/p>\n<p><!--autointro--><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-179","post","type-post","status-publish","format-standard","hentry","category-phpbiji"],"_links":{"self":[{"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/posts\/179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=179"}],"version-history":[{"count":0,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/posts\/179\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}