112 lines
2.1 KiB
PHP
112 lines
2.1 KiB
PHP
<?php namespace Laravel;
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class Str {
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/**
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* Convert a string to lowercase.
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*
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* @param string $value
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* @return string
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*/
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public static function lower($value)
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{
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if (function_exists('mb_strtolower'))
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{
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return mb_strtolower($value, static::encoding());
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}
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return strtolower($value);
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}
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/**
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* Convert a string to uppercase.
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*
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* @param string $value
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* @return string
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*/
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public static function upper($value)
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{
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if (function_exists('mb_strtoupper'))
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{
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return mb_strtoupper($value, static::encoding());
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}
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return strtoupper($value);
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}
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/**
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* Convert a string to title case (ucwords).
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*
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* @param string $value
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* @return string
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*/
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public static function title($value)
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{
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if (function_exists('mb_convert_case'))
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{
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return mb_convert_case($value, MB_CASE_TITLE, static::encoding());
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}
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return ucwords(strtolower($value));
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}
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/**
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* Get the length of a string.
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*
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* @param string $value
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* @return int
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*/
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public static function length($value)
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{
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if (function_exists('mb_strlen'))
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{
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return mb_strlen($value, static::encoding());
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}
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return strlen($value);
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}
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/**
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* Convert a string to 7-bit ASCII.
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*
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* @param string $value
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* @return string
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*/
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public static function ascii($value)
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{
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$foreign = Config::get('ascii');
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$value = preg_replace(array_keys($foreign), array_values($foreign), $value);
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return preg_replace('/[^\x09\x0A\x0D\x20-\x7E]/', '', $value);
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}
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/**
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* Generate a random alpha or alpha-numeric string.
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*
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* Supported types: 'alpha_num' and 'alpha'.
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*
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* @param int $length
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* @param string $type
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* @return string
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*/
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public static function random($length = 16, $type = 'alpha_num')
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{
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$alpha = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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$pool = ($type == 'alpha_num') ? '0123456789'.$alpha : $alpha;
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return implode('', array_map(function() use ($pool) { return $pool[mt_rand(0, strlen($pool) - 1)]; }, range(0, $length - 1)));
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}
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/**
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* Get the application encoding from the configuration class.
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*
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* @return string
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*/
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protected static function encoding()
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{
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return Config::get('application.encoding');
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}
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} |