242 lines
8.2 KiB
PHP
242 lines
8.2 KiB
PHP
<?php
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/**
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* This file contains all the functions that could not be dealt with automatically using the code generator.
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* If you add a function in this list, do not forget to add it in the generator/config/specialCasesFunctions.php
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*
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*/
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namespace Safe;
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use Safe\Exceptions\SocketsException;
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use const PREG_NO_ERROR;
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use Safe\Exceptions\ApcException;
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use Safe\Exceptions\ApcuException;
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use Safe\Exceptions\JsonException;
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use Safe\Exceptions\OpensslException;
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use Safe\Exceptions\PcreException;
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/**
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* Wrapper for json_decode that throws when an error occurs.
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*
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* @param string $json JSON data to parse
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* @param bool $assoc When true, returned objects will be converted
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* into associative arrays.
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* @param int $depth User specified recursion depth.
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* @param int $options Bitmask of JSON decode options.
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*
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* @return mixed
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* @throws JsonException if the JSON cannot be decoded.
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* @link http://www.php.net/manual/en/function.json-decode.php
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*/
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function json_decode(string $json, bool $assoc = false, int $depth = 512, int $options = 0)
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{
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$data = \json_decode($json, $assoc, $depth, $options);
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if (JSON_ERROR_NONE !== json_last_error()) {
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throw JsonException::createFromPhpError();
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}
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return $data;
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}
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/**
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* Fetchs a stored variable from the cache.
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*
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* @param mixed $key The key used to store the value (with
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* apc_store). If an array is passed then each
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* element is fetched and returned.
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* @return mixed The stored variable or array of variables on success; FALSE on failure
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* @throws ApcException
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*
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*/
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function apc_fetch($key)
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{
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error_clear_last();
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$result = \apc_fetch($key, $success);
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if ($success === false) {
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throw ApcException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Fetchs an entry from the cache.
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*
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* @param string|string[] $key The key used to store the value (with
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* apcu_store). If an array is passed then each
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* element is fetched and returned.
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* @return mixed The stored variable or array of variables on success
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* @throws ApcuException
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*
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*/
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function apcu_fetch($key)
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{
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error_clear_last();
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$result = \apcu_fetch($key, $success);
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if ($success === false) {
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throw ApcuException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Searches subject for matches to
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* pattern and replaces them with
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* replacement.
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*
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* @param mixed $pattern The pattern to search for. It can be either a string or an array with
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* strings.
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*
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* Several PCRE modifiers
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* are also available.
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* @param mixed $replacement The string or an array with strings to replace. If this parameter is a
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* string and the pattern parameter is an array,
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* all patterns will be replaced by that string. If both
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* pattern and replacement
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* parameters are arrays, each pattern will be
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* replaced by the replacement counterpart. If
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* there are fewer elements in the replacement
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* array than in the pattern array, any extra
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* patterns will be replaced by an empty string.
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*
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* replacement may contain references of the form
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* \\n or
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* $n, with the latter form
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* being the preferred one. Every such reference will be replaced by the text
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* captured by the n'th parenthesized pattern.
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* n can be from 0 to 99, and
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* \\0 or $0 refers to the text matched
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* by the whole pattern. Opening parentheses are counted from left to right
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* (starting from 1) to obtain the number of the capturing subpattern.
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* To use backslash in replacement, it must be doubled
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* ("\\\\" PHP string).
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*
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* When working with a replacement pattern where a backreference is
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* immediately followed by another number (i.e.: placing a literal number
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* immediately after a matched pattern), you cannot use the familiar
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* \\1 notation for your backreference.
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* \\11, for example, would confuse
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* preg_replace since it does not know whether you
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* want the \\1 backreference followed by a literal
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* 1, or the \\11 backreference
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* followed by nothing. In this case the solution is to use
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* ${1}1. This creates an isolated
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* $1 backreference, leaving the 1
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* as a literal.
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*
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* When using the deprecated e modifier, this function escapes
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* some characters (namely ', ",
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* \ and NULL) in the strings that replace the
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* backreferences. This is done to ensure that no syntax errors arise
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* from backreference usage with either single or double quotes (e.g.
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* 'strlen(\'$1\')+strlen("$2")'). Make sure you are
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* aware of PHP's string
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* syntax to know exactly how the interpreted string will look.
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* @param string|array|string[] $subject The string or an array with strings to search and replace.
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*
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* If subject is an array, then the search and
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* replace is performed on every entry of subject,
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* and the return value is an array as well.
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* @param int $limit The maximum possible replacements for each pattern in each
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* subject string. Defaults to
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* -1 (no limit).
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* @param int $count If specified, this variable will be filled with the number of
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* replacements done.
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* @return string|array|string[] preg_replace returns an array if the
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* subject parameter is an array, or a string
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* otherwise.
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*
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* If matches are found, the new subject will
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* be returned, otherwise subject will be
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* returned unchanged.
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*
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* @throws PcreException
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*
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*/
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function preg_replace($pattern, $replacement, $subject, int $limit = -1, int &$count = null)
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{
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error_clear_last();
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$result = \preg_replace($pattern, $replacement, $subject, $limit, $count);
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if (preg_last_error() !== PREG_NO_ERROR || $result === null) {
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throw PcreException::createFromPhpError();
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}
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return $result;
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}
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/**
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* @param resource|null $dir_handle
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* @return string|false
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* @deprecated
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* This function is only in safe because the php documentation is wrong
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*/
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function readdir($dir_handle = null)
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{
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if ($dir_handle !== null) {
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$result = \readdir($dir_handle);
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} else {
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$result = \readdir();
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}
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return $result;
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}
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/**
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* Encrypts given data with given method and key, returns a raw
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* or base64 encoded string
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*
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* @param string $data The plaintext message data to be encrypted.
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* @param string $method The cipher method. For a list of available cipher methods, use openssl_get_cipher_methods.
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* @param string $key The key.
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* @param int $options options is a bitwise disjunction of the flags
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* OPENSSL_RAW_DATA and
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* OPENSSL_ZERO_PADDING.
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* @param string $iv A non-NULL Initialization Vector.
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* @param string $tag The authentication tag passed by reference when using AEAD cipher mode (GCM or CCM).
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* @param string $aad Additional authentication data.
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* @param int $tag_length The length of the authentication tag. Its value can be between 4 and 16 for GCM mode.
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* @return string Returns the encrypted string.
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* @throws OpensslException
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*
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*/
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function openssl_encrypt(string $data, string $method, string $key, int $options = 0, string $iv = "", string &$tag = "", string $aad = "", int $tag_length = 16): string
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{
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error_clear_last();
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// The $tag parameter is handled in a weird way by openssl_encrypt. It cannot be provided unless encoding is AEAD
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if (func_num_args() <= 5) {
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$result = \openssl_encrypt($data, $method, $key, $options, $iv);
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} else {
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$result = \openssl_encrypt($data, $method, $key, $options, $iv, $tag, $aad, $tag_length);
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}
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if ($result === false) {
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throw OpensslException::createFromPhpError();
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}
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return $result;
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}
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/**
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* The function socket_write writes to the
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* socket from the given
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* buffer.
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*
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* @param resource $socket
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* @param string $buffer The buffer to be written.
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* @param int $length The optional parameter length can specify an
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* alternate length of bytes written to the socket. If this length is
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* greater than the buffer length, it is silently truncated to the length
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* of the buffer.
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* @return int Returns the number of bytes successfully written to the socket.
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* The error code can be retrieved with
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* socket_last_error. This code may be passed to
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* socket_strerror to get a textual explanation of the
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* error.
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* @throws SocketsException
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*
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*/
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function socket_write($socket, string $buffer, int $length = 0): int
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{
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error_clear_last();
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$result = $length === 0 ? \socket_write($socket, $buffer) : \socket_write($socket, $buffer, $length);
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if ($result === false) {
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throw SocketsException::createFromPhpError();
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}
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return $result;
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}
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