3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 10 => 'Windows', 12 => 'Keyboard', 15 => 'Monitor' ]; array_walk($array, function(&$value, $key) { $value = ['id' => $key, 'name' => $value]; }); print_r($array);
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
Array ( [10] => Array ( [id] => 10 [name] => Windows ) [12] => Array ( [id] => 12 [name] => Keyboard ) [15] => Array ( [id] => 15 [name] => Monitor ) )
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:
181.62 ms | 407 KiB | 5 Q