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<?php |
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/** |
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* @package VikBooking |
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* @subpackage core |
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* @author E4J s.r.l. |
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* @copyright Copyright (C) 2022 E4J s.r.l. All Rights Reserved. |
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL |
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* @link https://vikwp.com |
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*/ |
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|
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// No direct access |
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defined('ABSPATH') or die('No script kiddies please!'); |
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|
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/** |
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* VikBooking HTML main helper. |
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* |
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* @since 1.5 |
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*/ |
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abstract class JHtmlVikbooking |
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{ |
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/** |
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* Helper method used to obtain a shorten version of the given text. |
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* |
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* Even if a maximum threshold is provided, this doesn't mean that the |
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* length of the resulting text will be exactly equal to that amount. |
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* This beacuse the function doesn't break words. |
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* |
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* @param string $text The text to shorten. |
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* @param int|null $max The maximum number of allowed characters. |
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* |
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* @return string |
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* |
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* @since 1.8 |
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*/ |
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public static function shorten(string $text, ?int $max = null): string |
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{ |
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// add a white space after the closure of any tag |
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$text = preg_replace_callback("/(<\/[a-z0-9\-]+>)|(\s*\/\s*>)/", function($match) { |
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return $match[0] . " "; |
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}, $text); |
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|
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// get rid of HTML tags |
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$text = strip_tags($text); |
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|
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// remove duplicate white spaces and replace new lines with spaces |
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$text = preg_replace("/(\s{2,})|(\R+)/", ' ', $text); |
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|
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// calculate total length of the text |
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$len = strlen($text); |
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|
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// Check whether we should take a substring of the text. |
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// Reserve an additional 25% of characters to avoid breaking the |
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// text too close to the end of the string. |
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if ($max && $len > $max * 1.25) { |
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// explode the string in words |
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$chunks = explode(' ', $text); |
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|
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$text = ''; |
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|
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// keep adding words until we reach the maximum threshold |
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while ($chunks && strlen($text) < $max) { |
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$text .= array_shift($chunks) . ' '; |
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} |
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|
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// get rid of trailing special characters and add the ellipsis |
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$text = rtrim($text, '.,?!;:#\'"([{ ') . '...'; |
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} |
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|
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return $text; |
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} |
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|
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/** |
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* Calculates the maximum upload file size and returns string with unit or the size in bytes. |
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* |
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* @param bool $unitOutput This parameter determines whether the return value |
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* should be a string with a unit. |
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* |
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* @return float|string The maximum upload size of files with the appropriate unit or in bytes. |
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*/ |
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public static function maxuploadsize($unitOutput = true) |
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{ |
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static $max_size = false; |
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|
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if ($max_size === false) |
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{ |
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$max_size = self::parseSize(ini_get('post_max_size')); |
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$upload_max = self::parseSize(ini_get('upload_max_filesize')); |
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|
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// check what is the highest value between post and upload max sizes |
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if ($upload_max > 0 && ($upload_max < $max_size || $max_size == 0)) |
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{ |
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$max_size = $upload_max; |
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} |
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} |
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|
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if (!$unitOutput) |
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{ |
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// return numerical max size |
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return $max_size; |
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} |
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|
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// format max size |
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return JHtml::fetch('number.bytes', $max_size, 'auto', 0); |
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} |
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|
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/** |
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* Returns the size in bytes without the unit for the comparison. |
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* |
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* @param string $size The size which is received from the PHP settings. |
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* |
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* @return float The size in bytes without the unit. |
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*/ |
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private static function parseSize($size) |
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{ |
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// extract the size unit |
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$unit = preg_replace('/[^bkmgtpezy]/i', '', $size); |
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// take only the size numbers |
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$size = preg_replace('/[^0-9\.]/', '', $size); |
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|
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$return = round($size); |
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|
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if ($unit) |
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{ |
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// calculate the correct size according to the specified unit |
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$return = round($size * pow(1024, stripos('bkmgtpezy', $unit[0]))); |
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} |
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|
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return $return; |
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} |
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} |
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|
