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<?php $url = 'http://cmps.cz/i/nar/YT-1954.jpg'; function GetRemoteLastModified( $uri ) { // default $unixtime = 0; $fp = fopen( $uri, "r" ); if( !$fp ) {return;} $MetaData = stream_get_meta_data( $fp ); foreach( $MetaData['wrapper_data'] as $response ) { // case: redirection if( substr( strtolower($response), 0, 10 ) == 'location: ' ) { $newUri = substr( $response, 10 ); fclose( $fp ); return GetRemoteLastModified( $newUri ); } // case: last-modified elseif( substr( strtolower($response), 0, 15 ) == 'last-modified: ' ) { $unixtime = strtotime( substr($response, 15) ); break; } } fclose( $fp ); return $unixtime; } var_dump(GetRemoteLastModified('http://cmps.cz/i/nar/YT-1954.jpg'));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: fopen(): php_network_getaddresses: getaddrinfo for cmps.cz failed: System error in /in/qbGgE on line 10 Warning: fopen(http://cmps.cz/i/nar/YT-1954.jpg): Failed to open stream: php_network_getaddresses: getaddrinfo for cmps.cz failed: System error in /in/qbGgE on line 10 NULL
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: fopen(): php_network_getaddresses: getaddrinfo for cmps.cz failed: System error in /in/qbGgE on line 10 Warning: fopen(http://cmps.cz/i/nar/YT-1954.jpg): Failed to open stream: php_network_getaddresses: getaddrinfo for cmps.cz failed: System error in /in/qbGgE on line 10 NULL
Output for 8.0.13 - 8.0.30
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/qbGgE on line 10 Warning: fopen(http://cmps.cz/i/nar/YT-1954.jpg): Failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/qbGgE on line 10 NULL
Output for 8.0.0 - 8.0.12
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/qbGgE on line 10 Warning: fopen(http://cmps.cz/i/nar/YT-1954.jpg): Failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/qbGgE on line 10 NULL
Output for 5.5.33, 5.6.18 - 5.6.19, 7.0.4, 7.0.20, 7.1.5 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1, 7.3.32 - 7.3.33, 7.4.0, 7.4.26 - 7.4.33
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/qbGgE on line 10 Warning: fopen(http://cmps.cz/i/nar/YT-1954.jpg): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/qbGgE on line 10 NULL
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.25
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/qbGgE on line 10 Warning: fopen(http://cmps.cz/i/nar/YT-1954.jpg): failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/qbGgE on line 10 NULL
Output for 5.5.24 - 5.5.32, 5.5.34 - 5.5.35, 5.6.8 - 5.6.17, 5.6.20 - 5.6.28, 7.0.0 - 7.0.3, 7.0.5 - 7.0.6, 7.1.0
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/qbGgE on line 10 Warning: fopen(http://cmps.cz/i/nar/YT-1954.jpg): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/qbGgE on line 10 NULL

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