mirror of
https://github.com/Lastorder-DC/rhymix.git
synced 2026-01-03 16:51:40 +09:00
520 lines
13 KiB
PHP
520 lines
13 KiB
PHP
<?php
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/**
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* Function library for Rhymix
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*
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* Copyright (c) Rhymix Developers and Contributors
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*/
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/**
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* Get or set system configuration.
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*
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* @param string $key
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* @param string $value (optional)
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* @return mixed
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*/
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function config($key, $value = null)
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{
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if ($value === null)
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{
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return Rhymix\Framework\Config::get($key);
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}
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else
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{
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Rhymix\Framework\Config::set($key, $value);
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}
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}
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/**
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* Get or set lang variable.
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*
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* @param string $code Lang variable name
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* @param string $value `$code`s value
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* @return mixed
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*/
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function lang($code, $value = null)
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{
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if (!$GLOBALS['lang'] instanceof Rhymix\Framework\Lang)
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{
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$GLOBALS['lang'] = Rhymix\Framework\Lang::getInstance(Context::getLangType() ?: config('locale.default_lang') ?: 'ko');
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$GLOBALS['lang']->loadDirectory(RX_BASEDIR . 'common/lang', 'common');
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}
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if ($value === null)
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{
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return $GLOBALS['lang']->get($code);
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}
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else
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{
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$GLOBALS['lang']->set($code, $value);
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}
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}
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/**
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* Get the first value of an array.
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*
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* @param array $array The input array
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* @return mixed
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*/
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function array_first(array $array)
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{
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return reset($array);
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}
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/**
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* Get the first key of an array.
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*
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* @param array $array The input array
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* @return mixed
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*/
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function array_first_key(array $array)
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{
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reset($array);
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return key($array);
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}
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/**
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* Get the last value of an array.
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*
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* @param array $array The input array
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* @return mixed
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*/
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function array_last(array $array)
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{
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return end($array);
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}
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/**
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* Get the last key of an array.
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*
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* @param array $array The input array
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* @return mixed
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*/
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function array_last_key(array $array)
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{
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end($array);
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return key($array);
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}
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/**
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* Flatten a multi-dimensional array into a one-dimensional array.
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* Based on util.php <https://github.com/brandonwamboldt/utilphp>
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* Contributed by Theodore R. Smith of PHP Experts, Inc. <http://www.phpexperts.pro/>
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*
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* @param array $array The array to flatten
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* @param bool $preserve_keys Whether or not to preserve array keys (default: true)
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* @return array
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*/
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function array_flatten(array $array, $preserve_keys = true)
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{
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$result = array();
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array_walk_recursive($array, function($value, $key) use(&$result, $preserve_keys) {
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if ($preserve_keys && !is_int($key))
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{
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$result[$key] = $value;
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}
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else
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{
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$result[] = $value;
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}
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});
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return $result;
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}
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/**
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* Get the base name of a class name (without namespaces).
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* Based on Laravel helper function <http://laravel.com/docs/5.0/helpers>
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*
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* @param string|object $class The class name
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* @return string
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*/
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function class_basename($class)
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{
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return basename(str_replace('\\', '/', is_object($class) ? get_class($class) : $class));
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}
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/**
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* This function is a shortcut to htmlspecialchars().
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*
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* @param string $str The string to escape
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* @param bool $double_escape Set this to false to skip symbols that are already escaped (default: true)
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* @return string
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*/
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function escape($str, $double_escape = true)
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{
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$flags = defined('ENT_SUBSTITUTE') ? (ENT_QUOTES | ENT_SUBSTITUTE) : (ENT_QUOTES | ENT_IGNORE);
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return htmlspecialchars($str, $flags, 'UTF-8', $double_escape);
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}
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/**
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* This function escapes a string to be used in a CSS property.
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*
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* @param string $str The string to escape
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* @return string
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*/
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function escape_css($str)
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{
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return preg_replace('/[^a-zA-Z0-9_.#\/-]/', '', $str);
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}
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/**
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* This function escapes a string to be used in a JavaScript string literal.
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*
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* @param string $str The string to escape
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* @return string
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*/
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function escape_js($str)
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{
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$flags = JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT;
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if (defined('JSON_UNESCAPED_UNICODE')) $flags = $flags | JSON_UNESCAPED_UNICODE;
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$str = json_encode((string)$str, $flags);
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return substr($str, 1, strlen($str) - 2);
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}
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/**
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* This function escapes a string to be used in a 'single-quoted' PHP string literal.
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* Null bytes are removed.
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*
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* @param string $str The string to escape
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* @return string
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*/
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function escape_sqstr($str)
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{
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return str_replace(array('\\0', '\\"'), array('', '"'), addslashes($str));
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}
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/**
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* This function escapes a string to be used in a "double-quoted" PHP string literal.
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* Null bytes are removed.
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*
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* @param string $str The string to escape
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* @return string
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*/
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function escape_dqstr($str)
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{
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return str_replace(array('\\0', "\\'", '$'), array('', "'", '\\$'), addslashes($str));
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}
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/**
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* This function splits a string into an array, but allows the delimter to be escaped.
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* For example, 'A|B\|C|D' will be split into 'A', 'B|C', and 'D'
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* because the bar between B and C is escaped.
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*
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* @param string $delimiter The delimiter
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* @param string $str The string to split
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* @param int $limit The maximum number of items to return, 0 for unlimited (default: 0)
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* @param string $escape_char The escape character (default: backslash)
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* @return array
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*/
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function explode_with_escape($delimiter, $str, $limit = 0, $escape_char = '\\')
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{
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if ($limit < 1) $limit = null;
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$result = array();
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$split = preg_split('/(?<!' . preg_quote($escape_char, '/') . ')' . preg_quote($delimiter, '/') . '/', $str, $limit);
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foreach ($split as $piece)
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{
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if (trim($piece) !== '')
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{
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$result[] = trim(str_replace($escape_char . $delimiter, $delimiter, $piece));
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}
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}
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return $result;
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}
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/**
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* This function returns true if $haystack starts with $needle, and false otherwise.
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*
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* @param string $needle The needle
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* @param string $haystack The haystack
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* @param bool $case_sensitive Whether the search should be case-sensitive (default: true)
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* @return bool
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*/
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function starts_with($needle, $haystack, $case_sensitive = true)
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{
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if (strlen($needle) > strlen($haystack)) return false;
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if ($case_sensitive)
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{
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return !strncmp($needle, $haystack, strlen($needle));
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}
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else
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{
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return !strncasecmp($needle, $haystack, strlen($needle));
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}
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}
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/**
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* This function returns true if $haystack ends with $needle, and false otherwise.
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*
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* @param string $needle The needle
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* @param string $haystack The haystack
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* @param bool $case_sensitive Whether the search should be case-sensitive (default: true)
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* @return bool
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*/
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function ends_with($needle, $haystack, $case_sensitive = true)
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{
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if (strlen($needle) > strlen($haystack)) return false;
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if ($case_sensitive)
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{
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return (substr($haystack, -strlen($needle)) === $needle);
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}
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else
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{
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return (strtolower(substr($haystack, -strlen($needle))) === strtolower($needle));
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}
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}
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/**
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* This function returns true if $haystack contains $needle, and false otherwise.
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*
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* @param string $needle The needle
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* @param string $haystack The haystack
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* @param bool $case_sensitive Whether the search should be case-sensitive (default: true)
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* @return bool
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*/
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function contains($needle, $haystack, $case_sensitive = true)
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{
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return $case_sensitive ? (strpos($haystack, $needle) !== false) : (stripos($haystack, $needle) !== false);
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}
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/**
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* This function returns true if $needle is between $min and $max, and false otherwise.
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* Non-numeric values are compared according to PHP defaults.
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*
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* @param mixed $needle The needle
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* @param mixed $min The minimum value
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* @param mixed $max The maximum value
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* @param bool $exclusive Set this to true to exclude endpoints (default: false)
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* @return bool
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*/
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function is_between($needle, $min, $max, $exclusive = false)
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{
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if ($exclusive)
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{
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return ($needle > $min && $needle < $max);
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}
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else
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{
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return ($needle >= $min && $needle <= $max);
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}
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}
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/**
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* This function restricts $input to be between $min and $max.
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* All values less than $min are converted to $min, and all values greater than $max are converted to $max.
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* Non-numeric values are compared according to PHP defaults.
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*
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* @param mixed $input The value to convert
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* @param mixed $min The minimum value
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* @param mixed $max The maximum value
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* @return mixed
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*/
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function force_range($input, $min, $max)
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{
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if ($input < $min) $input = $min;
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if ($input > $max) $input = $max;
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return $input;
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}
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/**
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* This function encodes a string with base64, using a URL-safe character set.
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*
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* @param string $str The string to encode
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* @return string
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*/
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function base64_encode_urlsafe($str)
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{
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return strtr(rtrim(base64_encode($str), '='), '+/', '-_');
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}
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/**
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* This function decodes a string with base64, using a URL-safe character set.
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*
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* @param string $str The string to decode
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* @return string
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*/
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function base64_decode_urlsafe($str)
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{
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return @base64_decode(str_pad(strtr($str, '-_', '+/'), ceil(strlen($str) / 4) * 4, '=', STR_PAD_RIGHT));
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}
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/**
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* Convert hexadecimal color codes to an array of R, G, B values.
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* This function can handle both 6-digit and 3-digit notations, optionally prefixed with '#'.
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* If the color code is illegal, this function will return all nulls.
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*
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* @param string $hex The color to convert
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* @return array
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*/
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function hex2rgb($hex)
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{
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$hex = ltrim($hex, '#');
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if (strlen($hex) == 3)
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{
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$r = hexdec(substr($hex, 0, 1) . substr($hex, 0, 1));
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$g = hexdec(substr($hex, 1, 1) . substr($hex, 1, 1));
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$b = hexdec(substr($hex, 2, 1) . substr($hex, 2, 1));
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}
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elseif (strlen($hex) == 6)
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{
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$r = hexdec(substr($hex, 0, 2));
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$g = hexdec(substr($hex, 2, 2));
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$b = hexdec(substr($hex, 4, 2));
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}
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else
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{
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$r = $g = $b = null;
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}
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return array($r, $g, $b);
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}
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/**
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* Convert an array of R, G, B values to hexadecimal color codes.
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* If the RGB values are illegal, this function will return #000000.
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*
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* @param array $rgb The color to convert
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* @param bool $hash_prefix Whether or not to prefix the result with '#' (default: true)
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* @return string
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*/
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function rgb2hex(array $rgb, $hash_prefix = true)
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{
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if (!isset($rgb[0]) || !isset($rgb[1]) || !isset($rgb[2]) || $rgb[0] > 255 || $rgb[1] > 255 || $rgb[2] > 255)
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{
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return '#000000';
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}
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$hex = $hash_prefix ? '#' : '';
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$hex .= str_pad(dechex(max(0, $rgb[0])), 2, '0', STR_PAD_LEFT);
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$hex .= str_pad(dechex(max(0, $rgb[1])), 2, '0', STR_PAD_LEFT);
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$hex .= str_pad(dechex(max(0, $rgb[2])), 2, '0', STR_PAD_LEFT);
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return $hex;
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}
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/**
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* This function includes another file in a clean scope.
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* This is useful if the included file tries to define global variables.
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*
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* @param string $filename The name of the file to include
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* @return mixed
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*/
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function include_in_clean_scope($filename)
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{
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return (include $filename);
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}
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/**
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* This function includes another file while ignoring all errors inside of it.
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*
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* @param string $filename The name of the file to include
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* @return mixed
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*/
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function include_and_ignore_errors($filename)
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{
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error_reporting(0);
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$result = (include $filename);
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error_reporting(~0);
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return $result;
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}
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/**
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* This function includes another file while ignoring all output.
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*
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* @param string $filename The name of the file to include
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* @return mixed
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*/
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function include_and_ignore_output($filename)
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{
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ob_start();
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$result = (include $filename);
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ob_end_clean();
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return $result;
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}
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/**
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* Polyfill for hex2bin() which does not exist in PHP 5.3.
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*
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* @param string $hex The hexadecimal string to convert to binary
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* @return string
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*/
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if (!function_exists('hex2bin'))
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{
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function hex2bin($hex)
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{
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if (strlen($hex) % 2) $hex = '0' . $hex;
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return pack('H*', $hex);
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}
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}
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/**
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* Converts any value to either true or false.
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* Based on util.php <https://github.com/brandonwamboldt/utilphp>
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*
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* @param string $input The input value
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* @return bool
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*/
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function tobool($input)
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{
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if (is_scalar($input))
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{
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if (preg_match('/^(1|[ty].*|on|ok.*oui|si|vrai|aye)$/i', $input)) return true;
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if (preg_match('/^(0|[fn].*|off)$/i', $input)) return false;
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}
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return (bool)$input;
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}
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/**
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* Checks if the given string contains valid UTF-8.
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*
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* @param string $str The input string
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* @return bool
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*/
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function utf8_check($str)
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{
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if (function_exists('mb_check_encoding'))
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{
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return mb_check_encoding($str, 'UTF-8');
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}
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else
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{
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return ($str === @iconv('UTF-8', 'UTF-8', $str));
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}
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}
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/**
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* Encode UTF-8 characters outside of the Basic Multilingual Plane in the &#xxxxxx format.
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* This allows emoticons and other characters to be stored in MySQL without utf8mb4 support.
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*
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* @param $str The string to encode
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* @return string
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*/
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function utf8_mbencode($str)
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{
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return preg_replace_callback('/[\xF0-\xF7][\x80-\xBF]{3}/', function($m) {
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$bytes = array(ord($m[0][0]), ord($m[0][1]), ord($m[0][2]), ord($m[0][3]));
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$codepoint = ((0x07 & $bytes[0]) << 18) + ((0x3F & $bytes[1]) << 12) + ((0x3F & $bytes[2]) << 6) + (0x3F & $bytes[3]);
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return '&#x' . dechex($codepoint) . ';';
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}, $str);
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}
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/**
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* This function replaces all whitespace characters with a single regular space (0x20).
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* Unicode whitespace characters are also replaced.
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*
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* @param string $str The input string
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* @param bool $multiline Set this to true to permit newlines inside the string (default: false)
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* @return string
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*/
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function utf8_normalize_spaces($str, $multiline = false)
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{
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return $multiline ? preg_replace('/((?!\x0A)[\pZ\pC])+/u', ' ', $str) : preg_replace('/[\pZ\pC]+/u', ' ', $str);
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}
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/**
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* This function trims all space from the beginning and end of a string.
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* Unicode whitespace characters are also trimmed.
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*
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* @param string $str The input string
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* @return string
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*/
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function utf8_trim($str)
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{
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return preg_replace('/^[\s\pZ\pC]+|[\s\pZ\pC]+$/u', '', $str);
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}
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