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<?php $a = new SplPriorityQueue(); $a->insert(new stdClass, 3); $a->insert(array(), 2); var_dump($a); var_dump(count($a)); var_dump(iterator_to_array(clone $a)); var_dump(count($a));
Output for 5.3.15 - 5.3.29, 5.4.5 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(SplPriorityQueue)#1 (3) { ["flags":"SplPriorityQueue":private]=> int(1) ["isCorrupted":"SplPriorityQueue":private]=> bool(false) ["heap":"SplPriorityQueue":private]=> array(2) { [0]=> array(2) { ["data"]=> object(stdClass)#2 (0) { } ["priority"]=> int(3) } [1]=> array(2) { ["data"]=> array(0) { } ["priority"]=> int(2) } } } int(2) array(2) { [1]=> object(stdClass)#2 (0) { } [0]=> array(0) { } } int(2)
Output for 5.3.0 - 5.3.14, 5.4.0 - 5.4.4
object(SplPriorityQueue)#1 (3) { ["flags":"SplPriorityQueue":private]=> int(1) ["isCorrupted":"SplPriorityQueue":private]=> bool(false) ["heap":"SplPriorityQueue":private]=> array(2) { [0]=> array(2) { ["data"]=> object(stdClass)#2 (0) { } ["priority"]=> int(3) } [1]=> array(2) { ["data"]=> array(0) { } ["priority"]=> int(2) } } } int(2) array(2) { [2]=> object(stdClass)#2 (0) { } [1]=> array(0) { } } int(2)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Class 'SplPriorityQueue' not found in /in/6lZeV on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/6lZeV on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/6lZeV on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6lZeV on line 9
Process exited with code 255.

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