/**
* Replaces any instances of words censored in self::$censorship['words'] with self::$censorship['char']
*
* @param string Text to be censored
*
* @return string
*/
public function fetchCensoredText($text)
{
if (!$text) {
// return $text rather than nothing, since this could be '' or 0
return $text;
}
if (!empty(self::$censorship['words'])) {
foreach (self::$censorship['words'] as $censorword) {
if (substr($censorword, 0, 2) == '\\{') {
if (substr($censorword, -2, 2) == '\\}') {
// prevents errors from the replace if the { and } are mismatched
$censorword = substr($censorword, 2, -2);
}
// ASCII character search 0-47, 58-64, 91-96, 123-127
$nonword_chars = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f';
// words are delimited by ASCII characters outside of A-Z, a-z and 0-9
$text = preg_replace('#(?<=[' . $nonword_chars . ']|^)' . $censorword . '(?=[' . $nonword_chars . ']|$)#si', str_repeat(self::$censorship['char'], vB_String::vbStrlen($censorword)), $text);
} else {
$text = preg_replace("#{$censorword}#si", str_repeat(self::$censorship['char'], vB_String::vbStrlen($censorword)), $text);
}
}
}
// strip any admin-specified blank ascii chars
$text = vB_String::stripBlankAscii($text, self::$censorship['char'], self::$blankAsciiStrip);
return $text;
}