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<?php $a1 = array('foo' => 'foo', 'bar' => 'bar'); $a2 = array('zuu' => 'zuu', 'bar' => 'bar2'); var_dump($a1+$a2, array_merge($a1,$a2), array_merge($a1+$a2));
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { ["foo"]=> string(3) "foo" ["bar"]=> string(3) "bar" ["zuu"]=> string(3) "zuu" } array(3) { ["foo"]=> string(3) "foo" ["bar"]=> string(4) "bar2" ["zuu"]=> string(3) "zuu" } array(3) { ["foo"]=> string(3) "foo" ["bar"]=> string(3) "bar" ["zuu"]=> string(3) "zuu" }

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