tag-groups / include / helpers / class.utilities.php

class.utilities.php in Tag Groups is the Advanced Way to Display Your Taxonomy Terms trunk, at include/helpers/class.utilities.php

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1	<?php
2
3	/**
4	* @package Tag Groups
5	*
6	* @author Christoph Amthor
7	* @copyright 2018 Christoph Amthor (@ Chatty Mango, chattymango.com)
8	* @license GPL-3.0+
9	*/
10
11	// phpcs:disable PSR1.Classes.ClassDeclaration.MissingNamespace, Squiz.Classes.ValidClassName.NotCamelCaps, Squiz.Scope.MethodScope.Missing, PSR1.Methods.CamelCapsMethodName.NotCamelCaps
12	if (! class_exists('TagGroups_Utilities')) {
13	/**
14	*
15	*/
16	class TagGroups_Utilities
17	{
18	/**
19	* Returns the first element of an array without changing the original array
20	*
21	* @param array $array
22	* @return mixed
23	*/
24	public static function get_first_element($array = array())
25	{
26
27	if (! is_array($array)) {
28	TagGroups_Error::log('[Tag Groups] Parameter supplied to get_first_element() must be an array.');
29	return;
30	}
31
32	return reset($array);
33	}
34
35	public static function is_free_plan()
36	{
37
38	return !self::is_premium_plan();
39	}
40
41	public static function is_premium_plan()
42	{
43
44	return defined('TAG_GROUPS_LOADED_BY_PRO') && TAG_GROUPS_LOADED_BY_PRO
45	\|\| defined('TAG_GROUPS_PRO_FILE')
46	\|\| defined('TAG_GROUPS_PRO_VERSION');
47	}
48
49	/**
50	* Turns a string into a valid JS function name, preserving as much as possible uniqueness
51	*
52	* @since 1.26.1
53	*
54	* @param string $raw
55	* @return string
56	*/
57	static function create_js_fn_name($raw)
58	{
59
60	return str_replace('-', '', sanitize_html_class($raw));
61	}
62
63
64	/**
65	* Execute wp_die() or die(), depending whether we are running tests
66	* That way we prevent that other plugins add own output after AJAX responses
67	*
68	* @return void
69	*/
70	static function die()
71	{
72
73	if (defined('CM_UNIT_TESTING')) {
74	wp_die();
75	} else {
76	die();
77	}
78	}
79	}
80
81
82	}
83