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<?php $a = array( 'post' => array( 'tr' => array( 'slug' => 'a' ), 'en' => array('slug'=>'a') ) ); echo var_dump(array_unique( array_diff_assoc( $a['post'], array_unique( $a['post'] ) ) )); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Array to string conversion in /in/uGhBu on line 10 Warning: Array to string conversion in /in/uGhBu on line 10 Warning: Array to string conversion in /in/uGhBu on line 10 Warning: Array to string conversion in /in/uGhBu on line 10 array(1) { ["en"]=> array(1) { ["slug"]=> string(1) "a" } }
Output for 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Array to string conversion in /in/uGhBu on line 10 Notice: Array to string conversion in /in/uGhBu on line 10 Notice: Array to string conversion in /in/uGhBu on line 10 Notice: Array to string conversion in /in/uGhBu on line 10 array(1) { ["en"]=> array(1) { ["slug"]=> string(1) "a" } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
array(1) { ["en"]=> array(1) { ["slug"]=> string(1) "a" } }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Notice: Array to string conversion in /in/uGhBu on line 10 Notice: Array to string conversion in /in/uGhBu on line 10 Notice: Array to string conversion in /in/uGhBu on line 10 Notice: Array to string conversion in /in/uGhBu on line 10 Notice: Array to string conversion in /in/uGhBu on line 10 Notice: Array to string conversion in /in/uGhBu on line 10 array(1) { ["en"]=> array(1) { ["slug"]=> string(1) "a" } }

preferences:
214.65 ms | 403 KiB | 305 Q