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helpers
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files >> //proc/self/root/home/papecmvm/www/system/helpers/string_helper.php
<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014 - 2019, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) * @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/) * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.0.0 * @filesource */ defined('BASEPATH') OR exit('No direct script access allowed'); /** * CodeIgniter String Helpers * * @package CodeIgniter * @subpackage Helpers * @category Helpers * @author EllisLab Dev Team * @link https://codeigniter.com/user_guide/helpers/string_helper.html */ // ------------------------------------------------------------------------ if ( ! function_exists('trim_slashes')) { /** * Trim Slashes * * Removes any leading/trailing slashes from a string: * * /this/that/theother/ * * becomes: * * this/that/theother * * @todo Remove in version 3.1+. * @deprecated 3.0.0 This is just an alias for PHP's native trim() * * @param string * @return string */ function trim_slashes($str) { return trim($str, '/'); } } // ------------------------------------------------------------------------ if ( ! function_exists('strip_slashes')) { /** * Strip Slashes * * Removes slashes contained in a string or in an array * * @param mixed string or array * @return mixed string or array */ function strip_slashes($str) { if ( ! is_array($str)) { return stripslashes($str); } foreach ($str as $key => $val) { $str[$key] = strip_slashes($val); } return $str; } } // ------------------------------------------------------------------------ if ( ! function_exists('strip_quotes')) { /** * Strip Quotes * * Removes single and double quotes from a string * * @param string * @return string */ function strip_quotes($str) { return str_replace(array('"', "'"), '', $str); } } // ------------------------------------------------------------------------ if ( ! function_exists('quotes_to_entities')) { /** * Quotes to Entities * * Converts single and double quotes to entities * * @param string * @return string */ function quotes_to_entities($str) { return str_replace(array("\'","\"","'",'"'), array("'",""","'","""), $str); } } // ------------------------------------------------------------------------ if ( ! function_exists('reduce_double_slashes')) { /** * Reduce Double Slashes * * Converts double slashes in a string to a single slash, * except those found in http:// * * http://www.some-site.com//index.php * * becomes: * * http://www.some-site.com/index.php * * @param string * @return string */ function reduce_double_slashes($str) { return preg_replace('#(^|[^:])//+#', '\\1/', $str); } } // ------------------------------------------------------------------------ if ( ! function_exists('reduce_multiples')) { /** * Reduce Multiples * * Reduces multiple instances of a particular character. Example: * * Fred, Bill,, Joe, Jimmy * * becomes: * * Fred, Bill, Joe, Jimmy * * @param string * @param string the character you wish to reduce * @param bool TRUE/FALSE - whether to trim the character from the beginning/end * @return string */ function reduce_multiples($str, $character = ',', $trim = FALSE) { $str = preg_replace('#'.preg_quote($character, '#').'{2,}#', $character, $str); return ($trim === TRUE) ? trim($str, $character) : $str; } } // ------------------------------------------------------------------------ if ( ! function_exists('random_string')) { /** * Create a "Random" String * * @param string type of random string. basic, alpha, alnum, numeric, nozero, unique, md5, encrypt and sha1 * @param int number of characters * @return string */ function random_string($type = 'alnum', $len = 8) { switch ($type) { case 'basic': return mt_rand(); case 'alnum': case 'numeric': case 'nozero': case 'alpha': switch ($type) { case 'alpha': $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; case 'alnum': $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; case 'numeric': $pool = '0123456789'; break; case 'nozero': $pool = '123456789'; break; } return substr(str_shuffle(str_repeat($pool, ceil($len / strlen($pool)))), 0, $len); case 'unique': // todo: remove in 3.1+ case 'md5': return md5(uniqid(mt_rand())); case 'encrypt': // todo: remove in 3.1+ case 'sha1': return sha1(uniqid(mt_rand(), TRUE)); } } } // ------------------------------------------------------------------------ if ( ! function_exists('increment_string')) { /** * Add's _1 to a string or increment the ending number to allow _2, _3, etc * * @param string required * @param string What should the duplicate number be appended with * @param string Which number should be used for the first dupe increment * @return string */ function increment_string($str, $separator = '_', $first = 1) { preg_match('/(.+)'.preg_quote($separator, '/').'([0-9]+)$/', $str, $match); return isset($match[2]) ? $match[1].$separator.($match[2] + 1) : $str.$separator.$first; } } // ------------------------------------------------------------------------ if ( ! function_exists('alternator')) { /** * Alternator * * Allows strings to be alternated. See docs... * * @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))]; } } // ------------------------------------------------------------------------ if ( ! function_exists('repeater')) { /** * Repeater function * * @todo Remove in version 3.1+. * @deprecated 3.0.0 This is just an alias for PHP's native str_repeat() * * @param string $data String to repeat * @param int $num Number of repeats * @return string */ function repeater($data, $num = 1) { return ($num > 0) ? str_repeat($data, $num) : ''; } }
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