3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['key' => 1], ['key' => 2], ['key' => 3], ['key' => 1], ['key' => 2], ['key' => 3], ['key' => 4], ['key' => 5], ['key' => 6] ]; $result = []; foreach ($array as ['key' => $k, 'key' => $result[$k]]); var_export(array_values($result));
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array ( 0 => 1, 1 => 2, 2 => 3, 3 => 4, 4 => 5, 5 => 6, )
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:
70.11 ms | 407 KiB | 5 Q