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run code in 150+ php & hhvm versions
Bugs & Features
<?php const ITERATION = 1000000; $collection = array(); for ($i = 0; $i < ITERATION; $i++) { $collection[] = rand(1, 1000000); } $time_start = microtime(true); $heap = new SplMinHeap; array_walk($collection, function($item) use ($heap) { $heap->insert($item); }, $collection); //$heap->top(); $current = $heap->current(); $time_end = microtime(true); $time = $time_end - $time_start; var_dump($current, $time, min($collection)); reset($collection); $time_start = microtime(true); $heap = new SplMinHeap; foreach ($collection as $item) { $heap->insert($item); } //$heap->top(); $current = $heap->current(); $time_end = microtime(true); $time = $time_end - $time_start; var_dump($current, $time); reset($collection); $time_start = microtime(true); $array = array(); foreach($collection as $item) { $array[] = $item; } $current = min($array); $time_end = microtime(true); $time = $time_end - $time_start; var_dump($current, $time);
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 33554440 bytes) in /in/N69XO on line 16
Process exited with code 255.
Output for 5.3.0 - 5.6.25
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/N69XO on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/N69XO on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/N69XO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/N69XO on line 3
Process exited with code 255.