<?php
$tstart = microtime(true);
$numberOfRandoms = 500;
$uniques = array();
do {
$uniques[mt_rand(10000, 99999)] = true;
} while(count(array_keys($uniques)) < $numberOfRandoms);
$uniques = array_keys($uniques);
$elapsed = microtime(true) - $tstart;
echo $elapsed . PHP_EOL;
$tstart = microtime(true);
$uniques = range(10000, 99999);
shuffle($uniques);
$uniques = array_slice($uniques, 0, 500);
$elapsed = microtime(true) - $tstart;
echo $elapsed . PHP_EOL;
$tstart = microtime(true);
$uniques = array();
for($i = 0; $i < 500; $i++) {
do {
$code = mt_rand(10000, 99999);
} while(in_array($code, $uniques));
$uniques[] = $code
}
$elapsed = microtime(true) - $tstart;
echo $elapsed . PHP_EOL;
?>
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
- Parse error: syntax error, unexpected '}' in /in/MtABr on line 39
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 '}' in /in/MtABr on line 39
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/MtABr on line 39
Process exited with code 255.
preferences:
218.61 ms | 1395 KiB | 123 Q