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<?php $a = array( 'post' => array( 'tr' => array( 'slug' => 'a' ), 'en' => array('slug'=>'b') ) ); echo var_dump(array_unique( array_diff_assoc( $a['post'], array_unique( $a['post'] ) ) )); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/jReI7 on line 10 Warning: Array to string conversion in /in/jReI7 on line 10 Warning: Array to string conversion in /in/jReI7 on line 10 Warning: Array to string conversion in /in/jReI7 on line 10 array(1) { ["en"]=> array(1) { ["slug"]=> string(1) "b" } }

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