function Iconv::iconv_strpos

File

vendor/symfony/polyfill-iconv/Iconv.php, line 481

Class

Iconv

iconv implementation in pure PHP, UTF-8 centric.

Namespace

Symfony\Polyfill\Iconv

Code

public static function iconv_strpos($haystack, $needle, $offset = 0, $encoding = null) {
    if (null === $encoding) {
        $encoding = self::$internalEncoding;
    }
    if (0 !== stripos($encoding, 'utf-8')) {
        if (false === ($haystack = self::iconv($encoding, 'utf-8', $haystack))) {
            return false;
        }
        if (false === ($needle = self::iconv($encoding, 'utf-8', $needle))) {
            return false;
        }
    }
    if ($offset = (int) $offset) {
        $haystack = self::iconv_substr($haystack, $offset, 2147483647, 'utf-8');
    }
    $pos = strpos($haystack, $needle);
    return false === $pos ? false : $offset + ($pos ? self::iconv_strlen(substr($haystack, 0, $pos), 'utf-8') : 0);
}