imagify / inc / functions / formatting.php

formatting.php in Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF 1.7, at inc/functions/formatting.php

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1	<?php
2	defined( 'ABSPATH' ) \|\| die( 'Cheatin\' uh?' );
3
4	/**
5	* Round UP to nearest half integer.
6	*
7	* @since 1.0
8	* @source http://stackoverflow.com/a/13526408
9	*
10	* @param int\|float\|string $number The number to round up.
11	* @return float The formatted number.
12	*/
13	function imagify_round_half_five( $number ) {
14	$number = strval( $number );
15	$number = explode( '.', $number );
16
17	if ( ! isset( $number[1] ) ) {
18	return $number[0];
19	}
20
21	$decimal = floatval( '0.' . substr( $number[1], 0 , 2 ) ); // Cut only 2 numbers.
22
23	if ( $decimal > 0 ) {
24	if ( $decimal <= 0.5 ) {
25	return floatval( $number[0] ) + 0.5;
26	}
27	if ( $decimal <= 0.99 ) {
28	return floatval( $number[0] ) + 1;
29	}
30	return 1;
31	}
32
33	return floatval( $number );
34	}
35
36	/**
37	* Convert number of bytes largest unit bytes will fit into.
38	* This is a clone of size_format(), but with a non-breaking space.
39	*
40	* @since 1.7
41	* @author Grégory Viguier
42	*
43	* @param int\|string $bytes Number of bytes. Note max integer size for integers.
44	* @param int $decimals Optional. Precision of number of decimal places. Default 0.
45	* @return string\|false False on failure. Number string on success.
46	*/
47	function imagify_size_format( $bytes, $decimals = 0 ) {
48	$bytes = @size_format( $bytes, $decimals );
49	return str_replace( ' ', ' ', $bytes );
50	}
51
52	/**
53	* Get the Imagify attachment class name depending to a context.
54	*
55	* @since 1.5
56	* @since 1.6.6 $attachment_id and $identifier have been added.
57	* @author Jonathan Buttigieg
58	*
59	* @param string $context The context to determine the class name.
60	* @param int $attachment_id The attachment ID.
61	* @param string $identifier An identifier.
62	* @return string The Imagify attachment class name.
63	*/
64	function get_imagify_attachment_class_name( $context, $attachment_id, $identifier ) {
65	$context = $context ? $context : 'wp';
66
67	if ( 'wp' !== $context && 'wp' === strtolower( $context ) ) {
68	$context = 'wp';
69	}
70
71	/**
72	* Filter the context used for the optimization.
73	*
74	* @since 1.6.6
75	* @author Grégory Viguier
76	*
77	* @param string $context The context.
78	* @param int $attachment_id The attachment ID.
79	* @param string $identifier An identifier.
80	*/
81	$context = apply_filters( 'imagify_optimize_attachment_context', $context, $attachment_id, $identifier );
82
83	return 'Imagify_' . ( 'wp' !== $context ? $context . '_' : '' ) . 'Attachment';
84	}
85
86	/**
87	* Get the Imagify attachment instance depending to a context.
88	*
89	* @since 1.6.13
90	* @author Grégory Viguier
91	*
92	* @param string $context The context to determine the class name.
93	* @param int $attachment_id The attachment ID.
94	* @param string $identifier An identifier.
95	* @return object The Imagify attachment instance.
96	*/
97	function get_imagify_attachment( $context, $attachment_id, $identifier ) {
98	$class_name = get_imagify_attachment_class_name( $context, $attachment_id, $identifier );
99	return new $class_name( $attachment_id );
100	}
101