S2OJ/web/vendor/gregwar/captcha/demo/ocr.php

40 lines
710 B
PHP
Raw Normal View History

2022-03-14 13:49:48 +00:00
<?php
require_once __DIR__.'/../vendor/autoload.php';
use Gregwar\Captcha\CaptchaBuilder;
/**
* Generates 1000 captchas and try to read their code with the
* ocrad OCR
*/
$tests = 10000;
$passed = 0;
shell_exec('rm passed*.jpg');
for ($i=0; $i<$tests; $i++) {
echo "Captcha $i/$tests... ";
$captcha = new CaptchaBuilder;
$captcha
->setDistortion(false)
->build()
;
if ($captcha->isOCRReadable()) {
$passed++;
$captcha->save("passed$passed.jpg");
echo "passed at ocr... ";
} else {
echo "failed... ";
}
echo "pass rate: ".round(100*$passed/($i+1),2)."%\n";
}
echo "\n";
echo "Over, $passed/$tests readed with OCR\n";