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mirror of https://github.com/danog/psalm.git synced 2024-11-26 20:34:47 +01:00
psalm/stubs/CoreGenericFunctions.phpstub
Lukas Reschke 31c63a6c96
Add some more flows (#4659)
* Add some more flows

- Adds all relevant JSON flows https://www.php.net/manual/en/ref.json.php
- Adds all relevant misc flows https://www.php.net/manual/en/ref.misc.php
- Adds a small subset of URL flows https://www.php.net/manual/en/ref.url.php

* Update CoreGenericFunctions.phpstub
2021-01-29 11:46:21 +01:00

1197 lines
23 KiB
Plaintext

<?php
/**
* @psalm-template TKey as array-key
* @psalm-template TArray as array<TKey, mixed>
*
* @param TArray $arr
* @param mixed $search_value
* @param bool $strict
*
* @return (TArray is non-empty-array ? non-empty-list<TKey> : list<TKey>)
* @psalm-pure
*/
function array_keys(array $arr, $search_value = null, bool $strict = false)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey, TValue> $arr
* @param array $arr2
* @param array ...$arr3
*
* @return array<TKey, TValue>
* @psalm-pure
*/
function array_intersect(array $arr, array $arr2, array ...$arr3)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey, TValue> $arr
* @param array $arr2
* @param array ...$arr3
*
* @return array<TKey, TValue>
* @psalm-pure
*/
function array_intersect_key(array $arr, array $arr2, array ...$arr3)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey, TValue> $arr
* @param array $arr2
* @param array ...$arr3
*
* @return array<TKey, TValue>
* @psalm-pure
*/
function array_intersect_assoc(array $arr, array $arr2, array ...$arr3)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<mixed, TKey> $arr
* @param array<mixed, TValue> $arr2
*
* @return array<TKey, TValue>|false
* @psalm-ignore-falsable-return
* @psalm-pure
*/
function array_combine(array $arr, array $arr2)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey, TValue> $arr
* @param array $arr2
* @param array ...$arr3
*
* @return array<TKey, TValue>
* @psalm-pure
*/
function array_diff(array $arr, array $arr2, array ...$arr3)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey, TValue> $arr
* @param array $arr2
* @param array ...$arr3
*
* @return array<TKey, TValue>
* @psalm-pure
*/
function array_diff_key(array $arr, array $arr2, array ...$arr3)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey, TValue> $arr
* @param array $arr2
* @param array ...$arr3
*
* @return array<TKey, TValue>
* @psalm-pure
*/
function array_diff_assoc(array $arr, array $arr2, array ...$arr3)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey, TValue> $arr
*
* @return array<TValue, TKey>
* @psalm-pure
*/
function array_flip(array $arr)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TArray as array<TKey, mixed>
*
* @param TArray $arr
*
* @return (TArray is array<empty, empty> ? null : TKey|null)
* @psalm-pure
* @psalm-ignore-nullable-return
*/
function key($arr)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TArray as array<TKey, mixed>
*
* @param TArray $arr
*
* @return (TArray is array<empty, empty> ? null : (TArray is non-empty-array ? TKey : TKey|null))
* @psalm-pure
*/
function array_key_first($arr)
{
}
/**
* @psalm-template TKey as array-key
* @psalm-template TArray as array<TKey, mixed>
*
* @param TArray $arr
*
* @return (TArray is array<empty, empty> ? null : (TArray is non-empty-array ? TKey : TKey|null))
* @psalm-pure
*/
function array_key_last($arr)
{
}
/**
* @psalm-template T
*
* @param mixed $needle
* @param array<T, mixed> $haystack
* @param bool $strict
*
* @return T|false
* @psalm-pure
*/
function array_search($needle, array $haystack, bool $strict = false)
{
}
/**
* @psalm-template T
*
* @param T[] $arr
* @param-out list<T> $arr
*/
function shuffle(array &$arr): bool
{
}
/**
* @psalm-template T
*
* @param T[] $arr
* @param-out list<T> $arr
*/
function sort(array &$arr, int $sort_flags = SORT_REGULAR): bool
{
}
/**
* @psalm-template T
*
* @param T[] $arr
* @param-out list<T> $arr
*/
function rsort(array &$arr, int $sort_flags = SORT_REGULAR): bool
{
}
/**
* @psalm-template T
*
* @param T[] $arr
* @param callable(T,T):int $callback
* @param-out list<T> $arr
*/
function usort(array &$arr, callable $callback): bool
{
}
/**
* @psalm-template TKey
* @psalm-template T
*
* @param array<TKey,T> $arr
* @param callable(T,T):int $callback
* @param-out array<TKey,T> $arr
*/
function uasort(array &$arr, callable $callback): bool
{
}
/**
* @psalm-template TKey
* @psalm-template T
*
* @param array<TKey,T> $arr
* @param callable(TKey,TKey):int $callback
* @param-out array<TKey,T> $arr
*/
function uksort(array &$arr, callable $callback): bool
{
}
/**
* @psalm-pure
*
* @psalm-template K of array-key
* @psalm-template T
*
* @param array<K,T> $arr
*
* @return array<K,T>
*/
function array_change_key_case(array $arr, int $case = CASE_LOWER)
{
}
/**
* @psalm-pure
*
* @psalm-template TKey as array-key
*
* @param TKey $key
* @param array<TKey, mixed> $search
*
* @return bool
*/
function array_key_exists($key, array $search) : bool
{
}
/**
* @psalm-pure
*
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey, TValue> $arr
* @param array<TKey, TValue> ...$arr2
*
* @return array<TKey, TValue>
*/
function array_merge_recursive(array $arr, array ...$arr2)
{
}
/**
* @psalm-pure
*
* @psalm-template TKey as array-key
* @psalm-template TValue
*
* @param array<TKey> $keys
* @param TValue $value
*
* @return array<TKey, TValue>
*/
function array_fill_keys(array $keys, $value): array
{
}
/**
* @psalm-pure
*
* @psalm-template TKey
*
* @param string $pattern
* @param array<TKey,string> $input
* @param 0|1 $flags 1=PREG_GREP_INVERT
* @return array<TKey,string>
*/
function preg_grep($pattern, array $input, $flags = 0)
{
}
/**
* @param resource $handle
* @param-out closed-resource $handle
*/
function fclose(&$handle) : bool
{
}
/**
* @param string $reference
* @param-out null $reference
*/
function sodium_memzero(string &$reference): void
{
}
/**
* @param mixed $var
* @param bool $return
* @return ($return is true ? string : void)
*
* @psalm-taint-specialize
* @psalm-flow ($var) -> return
*/
function var_export($var, bool $return = false) {}
/**
* @param mixed $var
* @param bool $return
* @return ($return is true ? string : true)
*
* @psalm-taint-specialize
* @psalm-flow ($var) -> return
*/
function print_r($var, bool $return = false) {}
/**
* @psalm-pure
*
* @psalm-taint-sink file $var
* @param mixed $var
* @return ($return is true ? string : bool)
*/
function highlight_file($var, bool $return = false) {}
/**
* @psalm-pure
*
* @psalm-taint-sink file $var
* @param mixed $var
* @return ($return is true ? string : bool)
*/
function show_source($var, bool $return = false) {}
/**
* @psalm-pure
*
* @psalm-taint-sink file $filename
*/
function php_strip_whitespace(string $filename) : string {}
/**
* @psalm-pure
*
* @param mixed $var
* @return ($return is true ? string : bool)
*
* @psalm-flow ($var) -> return
*/
function highlight_string($var, bool $return = false) {}
/**
* @psalm-pure
*
* @return ($get_as_float is true ? float : string)
*/
function microtime(bool $get_as_float = false) {}
/**
* @psalm-pure
*
* @return ($return_float is true ? float : array<string, int>)
*/
function gettimeofday(bool $return_float = false) {}
/**
* @psalm-pure
*
* @param numeric $number
* @return ($number is int ? int : ($number is float ? float : int|float))
*/
function abs($number) {}
/**
* @psalm-pure
*
* @template T as string|int|float
* @template TStep as int|float
* @param T $start
* @param T $end
* @param TStep $step
* @return (
* T is int
* ? (TStep is int ? list<int> : list<int|float>)
* : (
* T is float
* ? list<float>
* : (
* T is string
* ? list<string>
* : (
* T is int|float
* ? list<int|float>
* : list<int|float|string>
* )
* )
* )
* )
*/
function range($start, $end, $step = 1) {}
/**
* @psalm-pure
*
* @return (
* $format is 'd'|'j'|'N'|'w'|'z'|'W'|'m'|'n'|'t'|'L'|'o'|'Y'|'y'|'B'|'g'|'G'|'h'|'H'|'i'|'s'|'u'|'v'|'Z'|'U'|'I'
* ? numeric-string
* : ($timestamp is numeric ? string : string|false)
* )
*/
function date(string $format, int $timestamp = 0) {}
/**
* @psalm-pure
*
* @param mixed $vars
* @param-out string|int|float $vars
* @psalm-flow ($str, $format) -> return
* @return (func_num_args() is 2 ? list<float|int|string> : int)
*/
function sscanf(string $str, string $format, &...$vars) {}
/**
* @psalm-pure
*
* @return (
* func_num_args() is 1
* ? array{dirname: string, basename: string, extension?: string, filename: string}
* : string
* )
*/
function pathinfo(string $path, int $options = \PATHINFO_DIRNAME) {}
/**
* @psalm-pure
*
* @return (func_num_args() is 0 ? array<string, string> : string|false)
*/
function getenv(string $varname = '', bool $local_only = false) {}
/**
* @psalm-pure
*
* @return (
* $str is non-empty-string ? non-empty-lowercase-string : lowercase-string
* )
*
* @psalm-flow ($str) -> return
*/
function strtolower(string $str) : string {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function strtoupper(string $str) : string {}
/**
* @psalm-pure
*
* @param string|array<string> $string
* @param string|array<string> $replacement
* @param int|array<int> $start
* @param null|int|array<int> $length
*
* @return ($string is array<string> ? array<string> : string)
*
* @psalm-flow ($string, $replacement) -> return
*/
function substr_replace($string, $replacement, $start, $length) {}
/**
* @psalm-pure
*
* @param string $haystack
*
* @psalm-return positive-int|0|false
*/
function strpos($haystack, $needle, int $offset = 0) : int {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function trim(string $str, string $character_mask = " \t\n\r\0\x0B") : string {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function ltrim(string $str, string $character_mask = " \t\n\r\0\x0B") : string {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function rtrim(string $str, string $character_mask = " \t\n\r\0\x0B") : string {}
/**
* @psalm-pure
*
* @param string|array $glue
*
* @return (
* $glue is non-empty-string
* ? ($pieces is non-empty-array
* ? non-empty-string
* : string)
* : string
* )
*
* @psalm-flow ($glue) -> return
* @psalm-flow ($pieces) -(array-fetch)-> return
*/
function implode($glue, array $pieces = []) : string {}
/**
* @psalm-pure
*
* @param string|array $glue
*
* @return (
* $glue is non-empty-string
* ? ($pieces is non-empty-array
* ? non-empty-string
* : string)
* : string
* )
*
* @psalm-flow ($glue) -> return
* @psalm-flow ($pieces) -(array-fetch)-> return
*/
function join($glue, array $pieces = []): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($string) -(array-assignment)-> return
*/
function explode(string $delimiter, string $string, int $limit = -1) : array {}
/**
* @psalm-pure
*
* @psalm-flow ($subject) -(array-assignment)-> return
*
* @template TFlags as int-mask<0, 1, 2, 4>
*
* @param TFlags $flags
*
* @return (TFlags is 0|2 ? non-empty-list<string>|false : (TFlags is 1|3 ? list<string>|false : list<array{string,int}>|false))
*
* @psalm-ignore-falsable-return
*/
function preg_split(string $pattern, string $subject, int $limit = -1, int $flags = 0) {}
/**
* @param array $input
*
* @return (
* $input is array<int>
* ? int
* : ($input is array<float>
* ? float
* : float|int
* )
* )
*/
function array_sum(array $input) {}
/**
* @param array $input
*
* @return (
* $input is array<int>
* ? int
* : ($input is array<float>
* ? float
* : float|int
* )
* )
*/
function array_product(array $input) {}
/**
* @psalm-pure
*
* @psalm-taint-escape html
* @psalm-flow ($str) -> return
*/
function strip_tags(string $str, ?string $allowable_tags = null) : string {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function stripcslashes(string $str) : string {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function stripslashes(string $str) : string {}
/**
* @psalm-pure
*
* @psalm-taint-escape html
*
* @psalm-flow ($string) -> return
*/
function htmlentities(string $string, ?int $quote_style = null, ?string $charset = null, bool $double_encode = true) : string {}
/**
* @psalm-pure
*
* @psalm-taint-unescape html
*
* @psalm-flow ($string) -> return
*/
function html_entity_decode(string $string, ?int $quote_style = null, ?string $charset = null) : string {}
/**
* @psalm-pure
*
* @psalm-taint-escape html
* @psalm-taint-escape sql
*
* @psalm-flow ($string) -> return
*/
function htmlspecialchars(string $string, int $flags = ENT_COMPAT | ENT_HTML401, string $encoding = 'UTF-8', bool $double_encode = true) : string {}
/**
* @psalm-pure
*
* @psalm-taint-unescape html
* @psalm-taint-unescape sql
*
* @psalm-flow ($string) -> return
*/
function htmlspecialchars_decode(string $string, ?int $quote_style = null) : string {}
/**
* @psalm-pure
*
* @param string|array<string|int|float> $search
* @param string|array<string|int|float> $replace
* @param string|array<string|int|float> $subject
* @param int $count
* @return ($subject is array ? array<string> : string)
*
* @psalm-flow ($replace, $subject) -> return
*/
function str_replace($search, $replace, $subject, &$count = null) {}
/**
* @psalm-pure
*
* @param string|array<string|int|float> $search
* @param string|array<string|int|float> $replace
* @param string|array<string|int|float> $subject
* @param int $count
* @return ($subject is array ? array<string> : string)
*
* @psalm-flow ($replace, $subject) -> return
*/
function str_ireplace($search, $replace, $subject, &$count = null) {}
/**
* @psalm-pure
*
* @psalm-flow ($input, $pad_string) -> return
*/
function str_pad(string $input, int $pad_length, $pad_string = '', int $pad_type = STR_PAD_RIGHT): string {}
/**
* @psalm-pure
*
* @psalm-flow ($input) -> return
*/
function str_repeat(string $input, int $multiplier): string {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function str_rot13(string $str): string {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function str_shuffle(string $str): string {}
/**
* @psalm-pure
* @return array<string>
*
* @psalm-flow ($string) -> return
*/
function str_split(string $string, int $split_length = 1) {}
/**
* @psalm-pure
*
* @psalm-flow ($haystack) -> return
*/
function strstr(string $haystack, string $needle, bool $before_needle = false): string {}
/**
* @psalm-pure
*
* @psalm-flow ($haystack) -> return
*/
function stristr(string $haystack, string $needle, bool $before_needle = false): string {}
/**
* @psalm-pure
*
* @psalm-flow ($haystack) -> return
*/
function strchr(string $haystack, string $needle, bool $before_needle = false): string {}
/**
* @psalm-pure
*
* @psalm-flow ($haystack) -> return
*/
function strpbrk(string $haystack, string $char_list): string {}
/**
* @psalm-pure
*
* @psalm-flow ($haystack) -> return
*/
function strrchr(string $haystack, string $needle): string {}
/**
* @psalm-pure
*
* @psalm-flow ($string) -> return
*/
function strrev(string $string): string {}
/**
* @psalm-pure
*
* @psalm-flow ($string) -> return
*/
function strtok(string $str, string $token): string {}
/**
* @psalm-pure
*
* @param string|string[] $pattern
* @param string|array<string|int|float> $replacement
* @param string|array<string|int|float> $subject
* @param int $count
* @return ($subject is array ? array<string> : string)
*
* @psalm-flow ($replacement, $subject) -> return
*/
function preg_filter($pattern, $replacement, $subject, int $limit = -1, &$count = null) {}
/**
* @psalm-pure
*
* @param string|string[] $search
* @param string|array<string|int|float> $replace
* @param string|array<string|int|float> $subject
* @param int $count
* @return ($subject is array ? array<string>|null : string|null)
*
* @psalm-flow ($replace, $subject) -> return
*/
function preg_replace($search, $replace, $subject, int $limit = -1, &$count = null) {}
/**
* @param string|string[] $search
* @param callable(array<int, string>):string $replace
* @param string|array<string|int|float> $subject
* @param int $count
* @return ($subject is array ? array<string>|null : string|null)
*
* @psalm-taint-specialize
* @psalm-flow ($subject) -> return
*/
function preg_replace_callback($search, $replace, $subject, int $limit = -1, &$count = null) {}
/**
* @psalm-pure
* @template TFlags as int
*
* @param string $pattern
* @param string $subject
* @param mixed $matches
* @param TFlags $flags
* @param-out (
* TFlags is 1
* ? array<list<string>>
* : (TFlags is 2
* ? list<array<string>>
* : (TFlags is 256|257
* ? array<list<array{string, int}>>
* : (TFlags is 258
* ? list<array<array{string, int}>>
* : (TFlags is 512|513
* ? array<list<?string>>
* : (TFlags is 514
* ? list<array<?string>>
* : (TFlags is 770
* ? list<array<array{?string, int}>>
* : array
* )
* )
* )
* )
* )
* )
* ) $matches
* @return int|false
* @psalm-ignore-falsable-return
*/
function preg_match_all($pattern, $subject, &$matches = [], int $flags = 1, int $offset = 0) {}
/**
* @psalm-pure
*
* @return (PHP_MAJOR_VERSION is 5|7 ? string|false : string)
* @psalm-ignore-falsable-return
*
* @psalm-flow ($string) -> return
*/
function substr(string $string, int $start, ?int $length = null) {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function preg_quote(string $str, ?string $delimiter = null) : string {}
/**
* @psalm-pure
*
* @param string|int|float $args
*
* @psalm-flow ($format, $args) -> return
*/
function sprintf(string $format, ...$args) : string {}
/**
* @psalm-pure
* @return string|false
* @psalm-ignore-falsable-return
*
* @psalm-flow ($format, $args) -> return
*/
function vsprintf(string $format, array $args) {}
/**
* @psalm-pure
* @return string
*
* @psalm-flow ($str) -> return
*/
function wordwrap(string $str, int $width = 75, string $break = "\n", bool $cut = false) : string {}
/**
* @psalm-pure
*
* @param string|int|float $args
*
* @psalm-flow ($format, $values) -> return
*/
function printf(string $format, ...$values) : string {}
/**
* @psalm-pure
*
* @return string|false
* @psalm-ignore-falsable-return
*
* @psalm-flow ($path) -> return
*/
function realpath(string $path) {}
/**
* @psalm-pure
*
* @param numeric-string $left_operand
* @param numeric-string $right_operand
* @return ($right_operand is "0" ? null : numeric-string)
*/
function bcdiv(string $left_operand, string $right_operand, int $scale = 0): ?string {}
/**
* @psalm-pure
*
* @param scalar|null|object $var
* @return string The string value of var.
*
* @psalm-flow ($var) -> return
*/
function strval ($var): string {}
/**
* @return ($input is non-empty-string ? non-empty-list<string> : non-empty-list<string>|array{null})
* @psalm-pure
*
* @psalm-flow ($input) -> return
*/
function str_getcsv(string $input, string $delimiter = ',', string $enclosure = '"', string $escape = '\\\\')
{
}
/**
* @return ($min is positive-int ? positive-int : int)
*/
function random_int(int $min, int $max): int {}
/**
* @template TKey as array-key
*
* @param array<mixed, TKey> $array
*
* @return array<TKey, positive-int>
*
* @psalm-pure
*/
function array_count_values(array $array): array {}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function addcslashes(string $str, string $charlist) : string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function addslashes(string $str): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function ucfirst(string $str): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str, $delimiters) -> return
*/
function ucwords (string $str, string $delimiters = " \t\r\n\f\v"): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function lcfirst(string $str): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function nl2br(string $str, bool $is_xhtml = false): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function quoted_printable_decode(string $str): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function quoted_printable_encode(string $str): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function quotemeta(string $str): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($str) -> return
*/
function chop(string $str, string $character_mask = " \t\n\r\0\x0B"): string
{
}
/**
* @psalm-pure
* @psalm-flow ($str, $end) -> return
*/
function chunk_split(string $str, int $chunklen = 76, string $end= ''): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($data) -> return
*/
function convert_uudecode(string $data): string
{
}
/**
* @psalm-pure
*
* @psalm-flow ($data) -> return
*/
function convert_uuencode(string $data) : string
{
}
/**
* @psalm-pure
*
* @psalm-taint-escape ldap
* @psalm-flow ($value) -> return
*/
function ldap_escape(string $value, string $ignore = "", int $flag = 0) : string {}
/**
* @psalm-pure
*
* @return mixed
* @psalm-flow ($json) -> return
*/
function json_decode(string $json, ?bool $associative = null, int $depth = 512, int $flags = 0) {}
/**
* @psalm-pure
*
* @return string|false
*
* @psalm-flow ($value) -> return
* @psalm-ignore-falsable-return
*/
function json_encode(mixed $value, int $flags = 0, int $depth = 512) {}
/**
* @psalm-pure
*
* @return string|false
*
* @psalm-flow ($values) -> return
* @psalm-ignore-falsable-return
*/
function pack(string $format, mixed ...$values) {}
/**
* @psalm-pure
*
* @param string|int $in_codepage
* @param string|int $out_codepage
* @psalm-flow ($subject) -> return
*/
function sapi_windows_cp_conv($in_codepage, $out_codepage, string $subject) : string {}
/**
* @psalm-pure
*
* @psalm-flow ($prefix) -> return
*/
function uniqid(string $prefix = "", bool $more_entropy = false) : string {}
/**
* @psalm-pure
*
* @return array
*
* @psalm-flow ($data) -> return
*/
function unpack(string $format, string $data, int $offset = 0) {}
/**
* @psalm-pure
*
* @return string|false
*
* @psalm-flow ($data) -> return
* @psalm-ignore-falsable-return
*/
function base64_decode(string $data, bool $strict = false) {}
/**
* @psalm-pure
*
* @psalm-flow ($data) -> return
*/
function base64_encode(string $data) : string {}
/**
* @psalm-pure
*
* @param resource $context
*
* @psalm-taint-sink ssrf $url
*/
function get_headers(string $url, int $format = 0, $context) : array {}
/**
* @psalm-pure
*
* @psalm-taint-sink ssrf $filename
*/
function get_meta_tags(string $filename, bool $use_include_path = false) : array {}