66 lines
1.7 KiB
PHP
66 lines
1.7 KiB
PHP
<?php defined('SYSPATH') OR die('No direct access allowed.');
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/**
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* Format helper class.
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*
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* $Id: format.php 4070 2009-03-11 20:37:38Z Geert $
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*
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* @package Core
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class format_Core {
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/**
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* Formats a phone number according to the specified format.
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*
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* @param string phone number
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* @param string format string
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* @return string
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*/
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public static function phone($number, $format = '3-3-4')
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{
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// Get rid of all non-digit characters in number string
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$number_clean = preg_replace('/\D+/', '', (string) $number);
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// Array of digits we need for a valid format
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$format_parts = preg_split('/[^1-9][^0-9]*/', $format, -1, PREG_SPLIT_NO_EMPTY);
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// Number must match digit count of a valid format
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if (strlen($number_clean) !== array_sum($format_parts))
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return $number;
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// Build regex
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$regex = '(\d{'.implode('})(\d{', $format_parts).'})';
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// Build replace string
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for ($i = 1, $c = count($format_parts); $i <= $c; $i++)
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{
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$format = preg_replace('/(?<!\$)[1-9][0-9]*/', '\$'.$i, $format, 1);
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}
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// Hocus pocus!
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return preg_replace('/^'.$regex.'$/', $format, $number_clean);
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}
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/**
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* Formats a URL to contain a protocol at the beginning.
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*
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* @param string possibly incomplete URL
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* @return string
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*/
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public static function url($str = '')
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{
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// Clear protocol-only strings like "http://"
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if ($str === '' OR substr($str, -3) === '://')
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return '';
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// If no protocol given, prepend "http://" by default
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if (strpos($str, '://') === FALSE)
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return 'http://'.$str;
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// Return the original URL
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return $str;
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}
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} // End format
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