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run code in 300+ PHP versions simultaneously
<?php $test = fopen('http://de.wikipedia.org/wiki/Test', 'w+'); if ($test) { echo 'works'; } else { echo 'nope'; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: fopen(http://de.wikipedia.org/wiki/Test): Failed to open stream: HTTP wrapper does not support writeable connections in /in/Aa988 on line 3 nope
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(http://de.wikipedia.org/wiki/Test): Failed to open stream: HTTP wrapper does not support writeable connections in /in/Aa988 on line 3 nope
Output for 5.2.5 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: fopen(http://de.wikipedia.org/wiki/Test): failed to open stream: HTTP wrapper does not support writeable connections in /in/Aa988 on line 3 nope
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4
Warning: fopen(http://de.wikipedia.org/wiki/Test): failed to open stream: HTTP wrapper does not support writeable connections. in /in/Aa988 on line 3 nope
Output for 4.3.0 - 4.3.1
Warning: fopen(http://de.wikipedia.org/wiki/Test) [http://www.php.net/function.fopen]: failed to create stream: HTTP wrapper does not support writeable connections. in /in/Aa988 on line 3 nope

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