Online PHP editor | output for BrBMJ

@ 2019-08-15T23:57:47Z

<?php

$a[] = ["name" => "aaaaa", "projectId" => 0, "area" => "AreaX"];
$a[] = ["name" => "bbbbb", "projectId" => 2, "area" => ""];

$b[] = ["name" => "cccc", "projectId" => 1, "area" => ""];
$b[] = ["name" => "aaaaa", "projectId" => 0, "area" => "AreaX"];

$col = "projectId";
$res = array_diff(array_column($a, $col), array_column($b, $col));
print_r(array_map(function($id) use ($col) {return [$col => $id];}, $res));

Output for 7.1.25 - 7.1.31, 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: Array ( [1] => Array ( [projectId] => 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.

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