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<?php function cmp($b, $c){ global $a; var_dump($a); $a->exchangeArray(array()); } $a = new ArrayObject(); $a[1] = 1; $a[2] = 2; $a[3] = 3; $a->uasort('cmp');
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
object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(3) { [1]=> int(1) [2]=> int(2) [3]=> int(3) } } Fatal error: Uncaught Error: Modification of ArrayObject during sorting is prohibited in /in/RtLnW:6 Stack trace: #0 /in/RtLnW(6): ArrayObject->exchangeArray(Array) #1 [internal function]: cmp(1, 2) #2 [internal function]: uasort(Array, 'cmp') #3 /in/RtLnW(14): ArrayObject->uasort('cmp') #4 {main} thrown in /in/RtLnW on line 6
Process exited with code 255.
Output for 7.0.6 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(3) { [1]=> int(1) [2]=> int(2) [3]=> int(3) } } Warning: Modification of ArrayObject during sorting is prohibited in /in/RtLnW on line 6 object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(3) { [1]=> int(1) [2]=> int(2) [3]=> int(3) } } Warning: Modification of ArrayObject during sorting is prohibited in /in/RtLnW on line 6
Output for 7.0.5
object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(3) { [1]=> int(1) [2]=> int(2) [3]=> int(3) [3]=> int(3) } } Warning: Modification of ArrayObject during sorting is prohibited in /in/RtLnW on line 6 object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(3) { [1]=> int(1) [2]=> int(2) [3]=> int(3) [3]=> int(3) } } Warning: Modification of ArrayObject during sorting is prohibited in /in/RtLnW on line 6
Output for 7.0.0 - 7.0.4
object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> *RECURSION* } object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(0) { } }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> *RECURSION* } object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(0) { } }
Process exited with code 139.

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