function ByteString::indexOf

Overrides AbstractString::indexOf

File

vendor/symfony/string/ByteString.php, line 174

Class

ByteString

Represents a binary-safe string of bytes.

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 = $this->ignoreCase ? stripos($this->string, $needle, $offset) : strpos($this->string, $needle, $offset);
    return false === $i ? null : $i;
}