diff options
Diffstat (limited to 'system/helpers/string_helper.php')
| -rwxr-xr-x[-rw-r--r--] | system/helpers/string_helper.php | 73 |
1 files changed, 45 insertions, 28 deletions
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php index c0409dc5a..7765bba31 100644..100755 --- a/system/helpers/string_helper.php +++ b/system/helpers/string_helper.php @@ -2,11 +2,11 @@ /** * CodeIgniter * - * An open source application development framework for PHP 4.3.2 or newer + * An open source application development framework for PHP 5.1.6 or newer * * @package CodeIgniter * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2008 - 2010, EllisLab, Inc. + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. * @license http://codeigniter.com/user_guide/license.html * @link http://codeigniter.com * @since Version 1.0 @@ -30,7 +30,7 @@ /** * Trim Slashes * - * Removes any leading/traling slashes from a string: + * Removes any leading/trailing slashes from a string: * * /this/that/theother/ * @@ -41,15 +41,15 @@ * @access public * @param string * @return string - */ + */ if ( ! function_exists('trim_slashes')) { function trim_slashes($str) { return trim($str, '/'); - } + } } - + // ------------------------------------------------------------------------ /** @@ -60,13 +60,13 @@ if ( ! function_exists('trim_slashes')) * @access public * @param mixed string or array * @return mixed string or array - */ + */ if ( ! function_exists('strip_slashes')) { function strip_slashes($str) { if (is_array($str)) - { + { foreach ($str as $key => $val) { $str[$key] = strip_slashes($val); @@ -76,7 +76,7 @@ if ( ! function_exists('strip_slashes')) { $str = stripslashes($str); } - + return $str; } } @@ -91,7 +91,7 @@ if ( ! function_exists('strip_slashes')) * @access public * @param string * @return string - */ + */ if ( ! function_exists('strip_quotes')) { function strip_quotes($str) @@ -110,16 +110,17 @@ if ( ! function_exists('strip_quotes')) * @access public * @param string * @return string - */ + */ if ( ! function_exists('quotes_to_entities')) { function quotes_to_entities($str) - { + { return str_replace(array("\'","\"","'",'"'), array("'",""","'","""), $str); } } // ------------------------------------------------------------------------ + /** * Reduce Double Slashes * @@ -135,15 +136,15 @@ if ( ! function_exists('quotes_to_entities')) * @access public * @param string * @return string - */ + */ if ( ! function_exists('reduce_double_slashes')) { function reduce_double_slashes($str) { - return preg_replace("#([^:])//+#", "\\1/", $str); + return preg_replace("#(^|[^:])//+#", "\\1/", $str); } } - + // ------------------------------------------------------------------------ /** @@ -162,7 +163,7 @@ if ( ! function_exists('reduce_double_slashes')) * @param string the character you wish to reduce * @param bool TRUE/FALSE - whether to trim the character from the beginning/end * @return string - */ + */ if ( ! function_exists('reduce_multiples')) { function reduce_multiples($str, $character = ',', $trim = FALSE) @@ -177,7 +178,7 @@ if ( ! function_exists('reduce_multiples')) return $str; } } - + // ------------------------------------------------------------------------ /** @@ -186,22 +187,27 @@ if ( ! function_exists('reduce_multiples')) * Useful for generating passwords or hashes. * * @access public - * @param string type of random string. Options: alunum, numeric, nozero, unique + * @param string type of random string. basic, alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1 * @param integer number of characters * @return string */ if ( ! function_exists('random_string')) -{ +{ function random_string($type = 'alnum', $len = 8) - { + { switch($type) { + case 'basic' : return mt_rand(); + break; case 'alnum' : case 'numeric' : case 'nozero' : - + case 'alpha' : + switch ($type) { + case 'alpha' : $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; + break; case 'alnum' : $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; case 'numeric' : $pool = '0123456789'; @@ -216,9 +222,20 @@ if ( ! function_exists('random_string')) $str .= substr($pool, mt_rand(0, strlen($pool) -1), 1); } return $str; - break; - case 'unique' : return md5(uniqid(mt_rand())); - break; + break; + case 'unique' : + case 'md5' : + + return md5(uniqid(mt_rand())); + break; + case 'encrypt' : + case 'sha1' : + + $CI =& get_instance(); + $CI->load->helper('security'); + + return do_hash(uniqid(mt_rand(), TRUE), 'sha1'); + break; } } } @@ -233,12 +250,12 @@ if ( ! function_exists('random_string')) * @access public * @param string (as many parameters as needed) * @return string - */ + */ if ( ! function_exists('alternator')) { function alternator() { - static $i; + static $i; if (func_num_args() == 0) { @@ -259,13 +276,13 @@ if ( ! function_exists('alternator')) * @param string * @param integer number of repeats * @return string - */ + */ if ( ! function_exists('repeater')) { function repeater($data, $num = 1) { return (($num > 0) ? str_repeat($data, $num) : ''); - } + } } |