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<?php $array1 = array("a" => array(1)); $array2 = array("b" => array("1")); $a = array(1,2,3,4,5,6,7,8,9,10); $b = array(2,4,6,8,9); $c = array(1,2,3,4); $d = array(2,4); $x = array_flip($a); $y = array_flip($b); //print_r($x); //print_r($y); //$result2 = array_intersect_key($x, $y); // 2 4 $result3 = array_intersect($a,$b); //print_r($result2); $result2 = array_flip($result2); print_r($result2); //print_r($result3); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $result2 in /in/jSHqY on line 19 Fatal error: Uncaught TypeError: array_flip(): Argument #1 ($array) must be of type array, null given in /in/jSHqY:19 Stack trace: #0 /in/jSHqY(19): array_flip(NULL) #1 {main} thrown in /in/jSHqY on line 19
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 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 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: result2 in /in/jSHqY on line 19 Warning: array_flip() expects parameter 1 to be array, null given in /in/jSHqY on line 19
Output for 7.3.32 - 7.3.33
Warning: array_flip() expects parameter 1 to be array, null given in /in/jSHqY on line 19
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined variable: result2 in /in/jSHqY on line 19 Warning: array_flip(): The argument should be an array in /in/jSHqY on line 19
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: result2 in /in/jSHqY on line 19 Warning: array_flip(): The argument should be an array in /in/jSHqY on line 19
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: result2 in /in/jSHqY on line 19 Warning: array_flip() [http://www.php.net/function.array-flip]: The argument should be an array in /in/jSHqY on line 19
preferences:
348.8 ms | 402 KiB | 459 Q