if ($this->equalsTo((string) $s)) {
return true;
}
}
return false;
}
abstract public function folded(): static;
public function ignoreCase(): static
{
$str = clone $this;
$str->ignoreCase = true;
return $str;
}
/**
* @param string|string[] $needle
*/
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;
}
/**
* @param string|string[] $needle
*/
public function indexOfLast(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));
}
$i = null;
foreach ($needle as $n) {
$j = $this->indexOfLast((string) $n, $offset);
if (null !== $j && $j >= $i) {
$i = $offset = $j;
}
}
return $i;
}
public function isEmpty(): bool
{
return '' === $this->string;
}
abstract public function join(array $strings, ?string $lastGlue = null): static;
public function jsonSerialize(): string
{
return $this->string;
}
abstract public function length(): int;
abstract public function lower(): static;
/**
* Matches the string using a regular expression.
*
* Pass PREG_PATTERN_ORDER or PREG_SET_ORDER as $flags to get all occurrences matching the regular expression.
*
aµ3µ” 9) All matches in a multi-dimensional array ordered according to flags
*/
abstract publ
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