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<?php $a = array ( 0 => array ( 'php' => 5.3, ), 1 => array ( 'php' => 5.3, ), 2 => array ( 'php' => 5.3, ), ); $a = array_map('serialize', $a); $a = array_unique($a); $a = array_map('unserialize', $a); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(1) { ["php"]=> float(5.3) } }

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