<?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 - 7.0.20, 7.1.0 - 7.1.7, 7.2.0
- 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 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 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 - 5.1.6, 5.2.0 - 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 - 4.3.11, 4.4.0 - 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.
preferences:
154.47 ms | 401 KiB | 216 Q