function AbstractString::indexOf

Parameters

string|string[] $needle:

11 calls to AbstractString::indexOf()

AbstractString::after in vendor/symfony/string/AbstractString.php

AbstractString::before in vendor/symfony/string/AbstractString.php

AbstractString::containsAny in vendor/symfony/string/AbstractString.php

AbstractString::ensureStart in vendor/symfony/string/AbstractString.php

AbstractString::truncate in vendor/symfony/string/AbstractString.php

... See full list

3 methods override AbstractString::indexOf()

ByteString::indexOf in vendor/symfony/string/ByteString.php

CodePointString::indexOf in vendor/symfony/string/CodePointString.php

UnicodeString::indexOf in vendor/symfony/string/UnicodeString.php

File

vendor/symfony/string/AbstractString.php, line 340

Class

AbstractString

Represents a string of abstract characters.

Namespace

Symfony\Component\String

Code

public function indexOf(string|iterable $needle, int $offset = 0) : ?int {
    if (\is_string($needle)) {
        throw new \TypeError(\sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class));
    }
    $i = \PHP_INT_MAX;
    foreach ($needle as $n) {
        $j = $this->indexOf((string) $n, $offset);
        if (null !== $j && $j < $i) {
            $i = $j;
        }
    }
    return \PHP_INT_MAX === $i ? null : $i;
}