3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ref = new ReflectionFunction('printf'); foreach ($ref->getParameters as $parameter) { var_dump($parameter->isOptional()); }
Output for 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
Warning: Undefined property: ReflectionFunction::$getParameters in /in/SaXju on line 4 Warning: foreach() argument must be of type array|object, null given in /in/SaXju on line 4
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined property: ReflectionFunction::$getParameters in /in/SaXju on line 4 Warning: foreach() argument must be of type array|object, null given in /in/SaXju on line 4
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined property: ReflectionFunction::$getParameters in /in/SaXju on line 4 Warning: Invalid argument supplied for foreach() in /in/SaXju on line 4
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: Invalid argument supplied for foreach() in /in/SaXju on line 4

preferences:
154.97 ms | 401 KiB | 173 Q