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<?php $array1 = array("a" => array(1)); $array2 = array("b" => array(1)); $result = array_intersect($array1, $array2); print_r($result);
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/H4hS0 on line 4 Warning: Array to string conversion in /in/H4hS0 on line 4 Array ( [a] => Array ( [0] => 1 ) )
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Notice: Array to string conversion in /in/H4hS0 on line 4 Notice: Array to string conversion in /in/H4hS0 on line 4 Array ( [a] => Array ( [0] => 1 ) )

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259.07 ms | 403 KiB | 381 Q