3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 2 => [ 66 => ['id' => 66, 'count' => 9], 255 => ['id' => 255, 'count' => 20], ], 1 => [ 59 => ['id' => 59, 'count' => 14], 255 => ['id' => 255, 'count' => 73], ] ]; array_walk( $array, fn(&$set) => uasort($set, fn($a, $b) => $b['count'] <=> $a['count']) ); var_export($array);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0
array ( 2 => array ( 255 => array ( 'id' => 255, 'count' => 20, ), 66 => array ( 'id' => 66, 'count' => 9, ), ), 1 => array ( 255 => array ( 'id' => 255, 'count' => 73, ), 59 => array ( 'id' => 59, 'count' => 14, ), ), )
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.
Output for 8.3.28
/bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.

preferences:
66.58 ms | 407 KiB | 5 Q