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run code in 300+ PHP versions simultaneously
<?php class NewPDO extends PDO { public function getAttribute(int $attribute) { return null; } }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Return type of NewPDO::getAttribute(int $attribute) should either be compatible with PDO::getAttribute(int $attribute): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/sVfS7 on line 4
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 Deprecated: Return type of NewPDO::getAttribute(int $attribute) should either be compatible with PDO::getAttribute(int $attribute): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/sVfS7 on line 4
Output for 8.0.0 - 8.0.30
Output for 7.4.0 - 7.4.33
Warning: Declaration of NewPDO::getAttribute(int $attribute) should be compatible with PDO::getAttribute($attribute) in /in/sVfS7 on line 4
Output for 7.3.0 - 7.3.33
Warning: Declaration of NewPDO::getAttribute(int $attribute) should be compatible with PDO::getAttribute($attribute) in /in/sVfS7 on line 7

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