<?php
$str = "23456789ABCDEGHJKMNPQRSTUVXYZabcdeghjkmnpqrstuvxyz";
$excludes = ['cp','cb','ck','c6','c9','rn','rm','mm','co','do','cl','db','qp','qb','dp','ww'];
function fastCaptcha
(array $dictionary, array $excludedSyllables, int
$length): string
{
$captcha = '';
$generatedLength = 0;
while ($generatedLength < $length) {
$randomCharacter = $dictionary[array_rand($dictionary)]; $captcha .= $randomCharacter;
$generatedLength++;
}
return $captcha;
}
$excludesRegex = '/' . implode('|', $excludes) . '/';
$shortCaptchas = [];
$mediumCaptchas = [];
$longCaptchas = [];
for ($i = 0; $i < 100000; $i++)
$shortCaptchas[] = fastCaptcha($dictionaryArray, $indexedExcludes, 2);
$mediumCaptchas[] = fastCaptcha($dictionaryArray, $indexedExcludes, 5);
$longCaptchas[] = fastCaptcha($dictionaryArray, $indexedExcludes, 10);
foreach($shortCaptchas as $captcha) {
}
foreach($mediumCaptchas as $captcha) {
}
foreach($longCaptchas as $captcha) {
}
echo "short : " . ($t1 - $t0) . "\n";
echo "medium: " . ($t2 - $t1) . "\n";
echo "long : " . ($t3 - $t2) . "\n";
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