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ikuwow/ctype_digit_vs_preg_match.php

Created April 4, 2016 07:16
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ctype_digit_vs_preg_match.php
<?php
$input = 'hoge00';
$trials = 100000;
$tic = microtime(true);
for ($i = 0; $i < $trials; $i++) {
preg_match("/^[0-9]+$/", $input);
}
echo (string)(microtime(true) - $tic) . "\n";
$tic = microtime(true);
for ($i = 0; $i < $trials; $i++) {
ctype_digit($input);
}
echo (string)(microtime(true) - $tic) . "\n";
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ikuwow commented Apr 4, 2016

In this trial, ctype_digit() is 3 times faster than preg_match().

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