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authorDerek Jones <derek.jones@ellislab.com>2007-12-11 17:53:36 +0100
committerDerek Jones <derek.jones@ellislab.com>2007-12-11 17:53:36 +0100
commit49c676be3a786f2699392a9061b228fdf76078ca (patch)
tree9480037535f31488388ce6a0eb0cd5445ee027a7 /system
parentfc2f834bf9b134994ef1214e06153f74f8772630 (diff)
optimized reduce_multiples and strengthened type checking
Diffstat (limited to 'system')
-rw-r--r--system/helpers/string_helper.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
index 470bce2eb..765e1648f 100644
--- a/system/helpers/string_helper.php
+++ b/system/helpers/string_helper.php
@@ -1 +1 @@
-<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 4.3.2 or newer * * @package CodeIgniter * @author Rick Ellis * @copyright Copyright (c) 2006, EllisLab, Inc. * @license http://www.codeigniter.com/user_guide/license.html * @link http://www.codeigniter.com * @since Version 1.0 * @filesource */ // ------------------------------------------------------------------------ /** * CodeIgniter String Helpers * * @package CodeIgniter * @subpackage Helpers * @category Helpers * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/helpers/string_helper.html */ // ------------------------------------------------------------------------ /** * Trim Slashes * * Removes any leading/traling slashes from a string: * * /this/that/theother/ * * becomes: * * this/that/theother * * @access public * @param string * @return string */ function trim_slashes($str) { return trim($str, '/'); } // ------------------------------------------------------------------------ /** * Strip Slashes * * Removes slashes contained in a string or in an array * * @access public * @param mixed string or array * @return mixed stering or array */ function strip_slashes($str) { if (is_array($str)) { foreach ($str as $key => $val) { $str[$key] = strip_slashes($val); } } else { $str = stripslashes($str); } return $str; } // ------------------------------------------------------------------------ /** * Strip Quotes * * Removes single and double quotes from a string * * @access public * @param string * @return string */ function strip_quotes($str) { return str_replace(array('"', "'"), '', $str); } // ------------------------------------------------------------------------ /** * Quotes to Entities * * Converts single and double quotes to entities * * @access public * @param string * @return string */ function quotes_to_entities($str) { return str_replace(array("\'","\"","'",'"'), array("&#39;","&quot;","&#39;","&quot;"), $str); } // ------------------------------------------------------------------------ /** * Reduce Double Slashes * * Converts double slashes in a string to a single slash, * except those found in http:// * * http://www.some-site.com//index.php * * becomes: * * http://www.some-site.com/index.php * * @access public * @param string * @return string */ function reduce_double_slashes($str) { return preg_replace("#([^:])//+#", "\\1/", $str); } // ------------------------------------------------------------------------ /** * Reduce Multiples * * Reduces multiple instances of a particular character. Example: * * Fred, Bill,, Joe, Jimmy * * becomes: * * Fred, Bill, Joe, Jimmy * * @access public * @param string * @param string the character you wish to reduce * @param bool TRUE/FALSE - whether to trim the character from the beginning/end * @return string */ function reduce_multiples($str, $character = ',', $trim = FALSE) { $preg_chars = preg_quote($character, '#') . preg_quote($character, '#'); $str = preg_replace("#$preg_chars+#", $character, $str); if ($trim == TRUE) { $str = trim($str, $character); } return $str; } // ------------------------------------------------------------------------ /** * Create a Random String * * Useful for generating passwords or hashes. * * @access public * @param string type of random string. Options: alunum, numeric, nozero, unique * @param integer number of characters * @return string */ function random_string($type = 'alnum', $len = 8) { switch($type) { case 'alnum' : case 'numeric' : case 'nozero' : switch ($type) { case 'alnum' : $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; case 'numeric' : $pool = '0123456789'; break; case 'nozero' : $pool = '123456789'; break; } $str = ''; for ($i=0; $i < $len; $i++) { $str .= substr($pool, mt_rand(0, strlen($pool) -1), 1); } return $str; break; case 'unique' : return md5(uniqid(mt_rand())); break; } } // ------------------------------------------------------------------------ /** * Alternator * * Allows strings to be alternated. See docs... * * @access public * @param string (as many parameters as needed) * @return string */ function alternator() { static $i; if (func_num_args() == 0) { $i = 0; return ''; } $args = func_get_args(); return $args[($i++ % count($args))]; } // ------------------------------------------------------------------------ /** * Repeater function * * @access public * @param string * @param integer number of repeats * @return string */ function repeater($data, $num = 1) { return (($num > 0) ? str_repeat($data, $num) : ''); } ?> \ No newline at end of file
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 4.3.2 or newer * * @package CodeIgniter * @author Rick Ellis * @copyright Copyright (c) 2006, EllisLab, Inc. * @license http://www.codeigniter.com/user_guide/license.html * @link http://www.codeigniter.com * @since Version 1.0 * @filesource */ // ------------------------------------------------------------------------ /** * CodeIgniter String Helpers * * @package CodeIgniter * @subpackage Helpers * @category Helpers * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/helpers/string_helper.html */ // ------------------------------------------------------------------------ /** * Trim Slashes * * Removes any leading/traling slashes from a string: * * /this/that/theother/ * * becomes: * * this/that/theother * * @access public * @param string * @return string */ function trim_slashes($str) { return trim($str, '/'); } // ------------------------------------------------------------------------ /** * Strip Slashes * * Removes slashes contained in a string or in an array * * @access public * @param mixed string or array * @return mixed stering or array */ function strip_slashes($str) { if (is_array($str)) { foreach ($str as $key => $val) { $str[$key] = strip_slashes($val); } } else { $str = stripslashes($str); } return $str; } // ------------------------------------------------------------------------ /** * Strip Quotes * * Removes single and double quotes from a string * * @access public * @param string * @return string */ function strip_quotes($str) { return str_replace(array('"', "'"), '', $str); } // ------------------------------------------------------------------------ /** * Quotes to Entities * * Converts single and double quotes to entities * * @access public * @param string * @return string */ function quotes_to_entities($str) { return str_replace(array("\'","\"","'",'"'), array("&#39;","&quot;","&#39;","&quot;"), $str); } // ------------------------------------------------------------------------ /** * Reduce Double Slashes * * Converts double slashes in a string to a single slash, * except those found in http:// * * http://www.some-site.com//index.php * * becomes: * * http://www.some-site.com/index.php * * @access public * @param string * @return string */ function reduce_double_slashes($str) { return preg_replace("#([^:])//+#", "\\1/", $str); } // ------------------------------------------------------------------------ /** * Reduce Multiples * * Reduces multiple instances of a particular character. Example: * * Fred, Bill,, Joe, Jimmy * * becomes: * * Fred, Bill, Joe, Jimmy * * @access public * @param string * @param string the character you wish to reduce * @param bool TRUE/FALSE - whether to trim the character from the beginning/end * @return string */ function reduce_multiples($str, $character = ',', $trim = FALSE) { $str = preg_replace('#'.preg_quote($character, '#').'{2,}#', $character, $str); if ($trim === TRUE) { $str = trim($str, $character); } return $str; } // ------------------------------------------------------------------------ /** * Create a Random String * * Useful for generating passwords or hashes. * * @access public * @param string type of random string. Options: alunum, numeric, nozero, unique * @param integer number of characters * @return string */ function random_string($type = 'alnum', $len = 8) { switch($type) { case 'alnum' : case 'numeric' : case 'nozero' : switch ($type) { case 'alnum' : $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; case 'numeric' : $pool = '0123456789'; break; case 'nozero' : $pool = '123456789'; break; } $str = ''; for ($i=0; $i < $len; $i++) { $str .= substr($pool, mt_rand(0, strlen($pool) -1), 1); } return $str; break; case 'unique' : return md5(uniqid(mt_rand())); break; } } // ------------------------------------------------------------------------ /** * Alternator * * Allows strings to be alternated. See docs... * * @access public * @param string (as many parameters as needed) * @return string */ function alternator() { static $i; if (func_num_args() == 0) { $i = 0; return ''; } $args = func_get_args(); return $args[($i++ % count($args))]; } // ------------------------------------------------------------------------ /** * Repeater function * * @access public * @param string * @param integer number of repeats * @return string */ function repeater($data, $num = 1) { return (($num > 0) ? str_repeat($data, $num) : ''); } ?> \ No newline at end of file