function CodePointString::indexOf

Overrides AbstractString::indexOf

File

vendor/symfony/string/CodePointString.php, line 117

Class

CodePointString

Represents a string of Unicode code points encoded as UTF-8.

Namespace

Symfony\Component\String

Code

public function indexOf(string|iterable|AbstractString $needle, int $offset = 0) : ?int {
    if ($needle instanceof AbstractString) {
        $needle = $needle->string;
    }
    elseif (!\is_string($needle)) {
        return parent::indexOf($needle, $offset);
    }
    if ('' === $needle) {
        return null;
    }
    $i = $this->ignoreCase ? mb_stripos($this->string, $needle, $offset, 'UTF-8') : mb_strpos($this->string, $needle, $offset, 'UTF-8');
    return false === $i ? null : $i;
}