<?php
function evalJS($code)
{
$matches = [];
preg_match_all('#var (.*)( |=|;)#', $code, $matches);
foreach($matches[1] as $val)
{
$code = preg_replace('#'.$val.'#', '\$'.$val, $code);
$code = preg_replace('#var \$'.$val.'#', '\$'.$val, $code);
$code = preg_replace('#\$'.$val.'\.#', '\$'.$val.'->', $code);
}
$code = preg_replace('#\.#', '::', $code);
$code = preg_replace('#(\'|")\+#', '$1.', $code);
$code = preg_replace('#\+(\'|")#', '.$1', $code);
echo($code);
}
class document
{
public function print($arg)
{
echo($arg);
}
}
$js = <<<JS
var foo = 'Hello '+'World!';
document.print(foo);
JS;
evalJS($js);
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- var foo = 'Hello '.'World!';
document::print(foo);
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
- Parse error: syntax error, unexpected 'print' (T_PRINT), expecting identifier (T_STRING) in /in/rSDR3 on line 19
Process exited with code 255.
preferences:
154.38 ms | 402 KiB | 185 Q