3v4l.org

run code in 300+ PHP versions simultaneously
<?php $values = [ [ ["id" => 1], ["id" => 3], ["id" => 8] ], [ ["id" => 1] ], [ ["id" => 3], ["id" => 2] ] ]; $unique_ids = array_column(array_merge(...$values), "id", "id"); sort($unique_ids); var_export($unique_ids); echo "\n\n"; foreach ($values as $groups) { foreach ($groups as $rows) { $result[$rows["id"]] = $rows["id"]; } } sort($result); var_export($result);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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, 8.5.0 - 8.5.1
array ( 0 => 1, 1 => 2, 2 => 3, 3 => 8, ) array ( 0 => 1, 1 => 2, 2 => 3, 3 => 8, )
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:
225.02 ms | 407 KiB | 5 Q