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php检测url是否存在的方法,php检测url存在

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WBOYOriginal
2016-06-13 09:07:031617browse

php检测url是否存在的方法,php检测url存在

本文实例讲述了php检测url是否存在的方法。分享给大家供大家参考。具体如下:

复制代码 代码如下:function url_exists($url) {
    $hdrs = @get_headers($url);
    return is_array($hdrs) ? preg_match('/^HTTP\\/\\d+\\.\\d+\\s+2\\d\\d\\s+.*$/',$hdrs[0]) : false;
}

希望本文所述对大家的php程序设计有所帮助。

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