← All changes | admin/helpers/html/vikbooking.php +130 -0 1.6.2 → 1.8.16 View file →

		@@ -1,0 +1,130 @@
	1	+<?php
	2	+/**
	3	+ * @package VikBooking
	4	+ * @subpackage core
	5	+ * @author E4J s.r.l.
	6	+ * @copyright Copyright (C) 2022 E4J s.r.l. All Rights Reserved.
	7	+ * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
	8	+ * @link https://vikwp.com
	9	+ */
	10	+
	11	+// No direct access
	12	+defined('ABSPATH') or die('No script kiddies please!');
	13	+
	14	+/**
	15	+ * VikBooking HTML main helper.
	16	+ *
	17	+ * @since 1.5
	18	+ */
	19	+abstract class JHtmlVikbooking
	20	+{
	21	+ /**
	22	+ * Helper method used to obtain a shorten version of the given text.
	23	+ *
	24	+ * Even if a maximum threshold is provided, this doesn't mean that the
	25	+ * length of the resulting text will be exactly equal to that amount.
	26	+ * This beacuse the function doesn't break words.
	27	+ *
	28	+ * @param string $text The text to shorten.
	29	+ * @param int|null $max The maximum number of allowed characters.
	30	+ *
	31	+ * @return string
	32	+ *
	33	+ * @since 1.8
	34	+ */
	35	+ public static function shorten(string $text, ?int $max = null): string
	36	+ {
	37	+ // add a white space after the closure of any tag
	38	+ $text = preg_replace_callback("/(<\/[a-z0-9\-]+>)|(\s*\/\s*>)/", function($match) {
	39	+ return $match[0] . " ";
	40	+ }, $text);
	41	+
	42	+ // get rid of HTML tags
	43	+ $text = strip_tags($text);
	44	+
	45	+ // remove duplicate white spaces and replace new lines with spaces
	46	+ $text = preg_replace("/(\s{2,})|(\R+)/", ' ', $text);
	47	+
	48	+ // calculate total length of the text
	49	+ $len = strlen($text);
	50	+
	51	+ // Check whether we should take a substring of the text.
	52	+ // Reserve an additional 25% of characters to avoid breaking the
	53	+ // text too close to the end of the string.
	54	+ if ($max && $len > $max * 1.25) {
	55	+ // explode the string in words
	56	+ $chunks = explode(' ', $text);
	57	+
	58	+ $text = '';
	59	+
	60	+ // keep adding words until we reach the maximum threshold
	61	+ while ($chunks && strlen($text) < $max) {
	62	+ $text .= array_shift($chunks) . ' ';
	63	+ }
	64	+
	65	+ // get rid of trailing special characters and add the ellipsis
	66	+ $text = rtrim($text, '.,?!;:#\'"([{ ') . '...';
	67	+ }
	68	+
	69	+ return $text;
	70	+ }
	71	+
	72	+ /**
	73	+ * Calculates the maximum upload file size and returns string with unit or the size in bytes.
	74	+ *
	75	+ * @param bool $unitOutput This parameter determines whether the return value
	76	+ * should be a string with a unit.
	77	+ *
	78	+ * @return float|string The maximum upload size of files with the appropriate unit or in bytes.
	79	+ */
	80	+ public static function maxuploadsize($unitOutput = true)
	81	+ {
	82	+ static $max_size = false;
	83	+
	84	+ if ($max_size === false)
	85	+ {
	86	+ $max_size = self::parseSize(ini_get('post_max_size'));
	87	+ $upload_max = self::parseSize(ini_get('upload_max_filesize'));
	88	+
	89	+ // check what is the highest value between post and upload max sizes
	90	+ if ($upload_max > 0 && ($upload_max < $max_size || $max_size == 0))
	91	+ {
	92	+ $max_size = $upload_max;
	93	+ }
	94	+ }
	95	+
	96	+ if (!$unitOutput)
	97	+ {
	98	+ // return numerical max size
	99	+ return $max_size;
	100	+ }
	101	+
	102	+ // format max size
	103	+ return JHtml::fetch('number.bytes', $max_size, 'auto', 0);
	104	+ }
	105	+
	106	+ /**
	107	+ * Returns the size in bytes without the unit for the comparison.
	108	+ *
	109	+ * @param string $size The size which is received from the PHP settings.
	110	+ *
	111	+ * @return float The size in bytes without the unit.
	112	+ */
	113	+ private static function parseSize($size)
	114	+ {
	115	+ // extract the size unit
	116	+ $unit = preg_replace('/[^bkmgtpezy]/i', '', $size);
	117	+ // take only the size numbers
	118	+ $size = preg_replace('/[^0-9\.]/', '', $size);
	119	+
	120	+ $return = round($size);
	121	+
	122	+ if ($unit)
	123	+ {
	124	+ // calculate the correct size according to the specified unit
	125	+ $return = round($size * pow(1024, stripos('bkmgtpezy', $unit[0])));
	126	+ }
	127	+
	128	+ return $return;
	129	+ }
	130	+}