php_pcre.stub.php

<?php

function preg_match(string $pattern, string $subject, &$subpatterns = null, int $flags = 0, int $offset = 0): int|false {}

function preg_match_all(string $pattern, string $subject, &$subpatterns = null, int $flags = 0, int $offset = 0): int|false|null {}

/**
 * @param string|array $regex
 * @param string|array $replace
 * @param string|array $subject
 */
function preg_replace($regex, $replace, $subject, int $limit = -1, &$count = null): string|array|null {}

/**
 * @param string|array $regex
 * @param string|array $replace
 * @param string|array $subject
 */
function preg_filter($regex, $replace, $subject, int $limit = -1, &$count = null): string|array|null {}

/**
 * @param string|array $regex
 * @param string|array $subject
 *
 * TODO: $callback should be `callable`
 */
function preg_replace_callback($regex, $callback, $subject, int $limit = -1, &$count = null, int $flags = 0): string|array|null {}

/** @param string|array $subject */
function preg_replace_callback_array(array $pattern, $subject, int $limit = -1, &$count = null, int $flags = 0): string|array|null {}

function preg_split(string $pattern, string $subject, int $limit = -1, int $flags = 0): array|false {}


function preg_quote(string $str, ?string $delim_char = null): string {}

function preg_grep(string $regex, array $input, int $flags = 0): array|false {}

function preg_last_error(): int {}