3v4l.org

run code in 300+ PHP versions simultaneously
<?php $names = [ " barira, stefan", "cikka , maria", "luppo, martin ", "bill,sebastian", "van gogh , mary jane", ]; var_export( preg_replace('~^\s*([^,]+?)\s*,\s*(.*?)\s*$~', '$2 $1', $names) );
Output for 7.3.13 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => 'stefan barira', 1 => 'maria cikka', 2 => 'martin luppo', 3 => 'sebastian bill', 4 => 'mary jane van gogh', )
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 => 'stefan barira', 1 => 'maria cikka', 2 => 'martin luppo', 3 => 'sebastian bill', 4 => 'mary jane van gogh', )
preferences:
124.24 ms | 408 KiB | 5 Q