3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = (array) 'hey there'; $var2 = ensure_numeric_array( 'hey there' ); print_r($var); print_r($var2); function ensure_numeric_array( $vart ) { if ( ! isset( $vart[0] ) ) { return [ $vart ]; } return $vart; } ///////
Output for 7.0.0 - 7.0.20, 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
Array ( [0] => hey there ) hey there
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 Array ( [0] => hey there ) hey there

preferences:
182.57 ms | 402 KiB | 218 Q