3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = Array ( 1 => 'nanananana,lol,', 2 => 'laaaaalalalala,asd,', 3 => 'r0tfl,lmfao,ahah,' ); $bar = Array ( 1 => 'dunnoWhat,write,', 3 => 'hello,wooorld,' ); $result = array_diff_key($foo, $bar) + array_combine( $y = array_keys(array_intersect_key($foo, $bar)), array_map(function($x) use ($foo, $bar) { return $foo[$x]."\n".$bar[$x]; }, $y) ) + array_diff_key($bar, $foo); var_dump($result);

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