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run code in 300+ PHP versions simultaneously
<?php function foo($path) { if ($path && $path[0] = '/') { $path = substr($path, 1); } $url = 'http://' . 'www.example.com/' . $path; echo $url, PHP_EOL; return $url; } foo('/abc'); foo('abc'); foo('/'); foo('');
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
http://www.example.com/abc http://www.example.com/bc http://www.example.com/ http://www.example.com/
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 http://www.example.com/abc http://www.example.com/bc http://www.example.com/ http://www.example.com/
Output for 4.3.3 - 4.3.9, 5.0.0 - 5.0.1
http://www.example.com/abc Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KAb7K on line 7 PHP_EOLhttp://www.example.com/bc Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KAb7K on line 7 PHP_EOLhttp://www.example.com/ Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KAb7K on line 7 PHP_EOLhttp://www.example.com/ Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KAb7K on line 7 PHP_EOL
Output for 4.3.0 - 4.3.2
http://www.example.com//abc Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KAb7K on line 7 PHP_EOLhttp://www.example.com//bc Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KAb7K on line 7 PHP_EOLhttp://www.example.com// Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KAb7K on line 7 PHP_EOLhttp://www.example.com/ Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KAb7K on line 7 PHP_EOL

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317.9 ms | 402 KiB | 456 Q