3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1= array('a' => "XL"); $arr2= array('a' => "XLd",'b'=>"CDW"); $arr2 = array_replace(array_map(create_function('$n', 'return "";'), $arr2), $arr1); print_r($arr2);
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
Fatal error: Uncaught Error: Call to undefined function create_function() in /in/ASlVX:6 Stack trace: #0 {main} thrown in /in/ASlVX on line 6
Process exited with code 255.
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 Fatal error: Uncaught Error: Call to undefined function create_function() in /in/ASlVX:6 Stack trace: #0 {main} thrown in /in/ASlVX on line 6
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Deprecated: Function create_function() is deprecated in /in/ASlVX on line 6 Array ( [a] => XL [b] => )
Output for 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.3.32 - 7.3.33, 7.4.26
Array ( [a] => XL [b] => )
preferences:
202.69 ms | 402 KiB | 217 Q