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<?php class Queue { private $arr = []; public function enqueue(&$e) { \array_unshift($this->arr, [&$e]); } public function &dequeue() { $x =& \array_pop($this->arr)[0]; return $x; } public function is_empty() { return empty($this->arr); } } $q = new Queue(); $a = [42, 124, 35]; $q->enqueue($a); $a[] = 1337; $b = $q->dequeue(); $b[] = 12345; var_dump($a); var_dump($b);
Output for 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 - 7.3.33, 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 - 8.3.4, 8.3.6
array(4) { [0]=> int(42) [1]=> int(124) [2]=> int(35) [3]=> int(1337) } array(5) { [0]=> int(42) [1]=> int(124) [2]=> int(35) [3]=> int(1337) [4]=> int(12345) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(4) { [0]=> int(42) [1]=> int(124) [2]=> int(35) [3]=> int(1337) } array(5) { [0]=> int(42) [1]=> int(124) [2]=> int(35) [3]=> int(1337) [4]=> int(12345) }
preferences:
243.38 ms | 402 KiB | 291 Q