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<?php $a = array(array("hola" => 1)); $b = array(array("como" => 2)); $f = array(array("andas" => 3)); $c = array_merge($a, $b, $f); $d = array_unique($c); var_dump($d);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/P9Yio on line 8 Warning: Array to string conversion in /in/P9Yio on line 8 Warning: Array to string conversion in /in/P9Yio on line 8 array(1) { [0]=> array(1) { ["hola"]=> int(1) } }

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