3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'list[P] = 1', 'list[A] = 1', 'list[F] = 2', 'list[B] = 1' ]; usort( $array, fn($a, $b) => strpbrk($a, '0123456789') <=> strpbrk($b, '0123456789') ); var_export($array);
Output for 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array ( 0 => 'list[P] = 1', 1 => 'list[A] = 1', 2 => 'list[B] = 1', 3 => 'list[F] = 2', )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
preferences:
72.99 ms | 407 KiB | 5 Q