php method to get the real url after the jump: You can use the get_headers() function to get it. The get_headers() function is a system-level function that returns an array containing the headers sent by the server in response to an HTTP request.
get_headers() is a system-level function in PHP that returns an array containing the headers sent by the server in response to an HTTP request. If it fails, it returns FALSE and issues an E_WARNING level error message (which can be used to determine whether the remote file exists).
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Function syntax:
array get_headers ( string $url [, int $format = 0 ] )
Parameters:
url Required. Target URL
format Optional. If it is 1, parse the corresponding information and set the array key name.
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Code implementation:
$headers = get_headers('将跳转的URL'); if ($headers && $headers['Location']){ echo $headers['Location']; }
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