3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'name' => 'a', '0' => 'null' ); $b = array( 'name' => 'b', 0 => 'zero' ); $c = array( 'name' => 'c', '0' => 'zeronull' ); var_dump($a); var_dump($b); var_dump(array_merge($a, $b)); var_dump(array_merge($a, $c)); var_dump(array_merge($a, $b, $c)); var_dump($a + $b);

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