copy-the-code / includes / class-helper.php

class-helper.php in Copy Anything to Clipboard for WordPress – Copy Button, Copy Text & Copy Code 5.2.0, at includes/class-helper.php

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1	<?php
2	/**
3	* Helper Class
4	*
5	* @package CTC
6	* @since 5.0.0
7	*/
8
9	namespace CTC;
10
11	/**
12	* Helper Class
13	*
14	* @since 5.0.0
15	*/
16	class Helper {
17
18	/**
19	* Check if the plugin is Pro version
20	*
21	* Uses Freemius or can be filtered by Pro add-on plugin.
22	*
23	* @since 5.0.0
24	* @return bool
25	*/
26	public static function is_pro() {
27	/**
28	* Filter to enable Pro features.
29	*
30	* Pro add-on plugin can hook into this to enable Pro features.
31	*
32	* @since 5.0.0
33	* @param bool $is_pro Whether Pro is active. Default false.
34	*/
35	return apply_filters( 'ctc/is_pro', function_exists( 'ctc_fs' ) && ctc_fs()->is__premium_only() );
36	}
37
38	/**
39	* Minify CSS: strip comments and collapse whitespace.
40	*
41	* @since 5.0.2
42	* @param string $css Raw CSS.
43	* @return string Minified CSS.
44	*/
45	public static function minify_css( $css ) {
46	$css = (string) preg_replace( '/\/\[\s\S]?\*\//', '', $css );
47	$css = (string) preg_replace( '/\s+/', ' ', $css );
48	return trim( $css );
49	}
50	}
51