functions-image.php — Strong Testimonials 3.2.8

strong-testimonials / includes / functions-image.php

strong-testimonials / includes Last commit date

functions-image.php

287 lines

1	<?php
2	/**
3	* Featured image functions.
4	*/
5
6	/**
7	* @param null $size
8	*
9	* @return mixed\|string
10	*/
11	function wpmtst_get_thumbnail( $size = null ) {
12	if ( ! WPMST()->atts( 'thumbnail' ) && ! is_admin() ) {
13	return '';
14	}
15
16	// let arg override view setting
17	$size = ( null === $size ) ? WPMST()->atts( 'thumbnail_size' ) : $size;
18	if ( 'custom' === $size ) {
19	$size = array( WPMST()->atts( 'thumbnail_width' ), WPMST()->atts( 'thumbnail_height' ) );
20	}
21
22	$id = get_the_ID();
23	$img = '';
24
25	// check for a featured image
26	if ( has_post_thumbnail( $id ) ) {
27
28	// show featured image
29	$img = get_the_post_thumbnail( $id, $size );
30
31	} else {
32
33	// no featured image, now what?
34
35	if ( 'yes' === WPMST()->atts( 'gravatar' ) ) {
36	// view > gravatar > show gravatar (use default, if not found)
37
38	$img = get_avatar( wpmtst_get_field( 'email' ), apply_filters( 'wpmtst_gravatar_size', $size ) );
39
40	} elseif ( 'if' === WPMST()->atts( 'gravatar' ) ) {
41	// view > gravatar > show gravatar only if found (and has email)
42
43	if ( wpmtst_get_field( 'email' ) ) {
44	// get_avatar will return false if not found (via filter)
45	$img = get_avatar( wpmtst_get_field( 'email' ), apply_filters( 'wpmtst_gravatar_size', $size ) );
46	}
47	}
48	$img = apply_filters( 'wpmtst_thumbnail_default_img', $img, $id, $size );
49	}
50
51	return apply_filters( 'wpmtst_thumbnail_img', $img, $id, $size );
52	}
53
54	/**
55	* Filter the thumbnail image.
56	* Used to add link for a lightbox. Will not affect avatars.
57	*
58	* @param $img
59	* @param $post_id
60	*
61	* @since 1.23.0
62	* @since 2.9.4 classes and filter
63	* @since 2.30.0 lightbox_class
64	*
65	* @return string
66	*/
67	function wpmtst_thumbnail_img( $img, $post_id, $size ) {
68	if ( WPMST()->atts( 'lightbox' ) ) {
69	$url = wp_get_attachment_url( get_post_thumbnail_id( $post_id ) );
70	if ( $url ) {
71	$class_array = array( WPMST()->atts( 'lightbox_class' ) );
72	$classes = implode( ' ', array_unique( apply_filters( 'wpmtst_thumbnail_link_class', $class_array ) ) );
73	$img = sprintf( '<a class="%s" href="%s">%s</a>', $classes, esc_url( $url ), $img );
74	}
75	}
76	return $img;
77	}
78	add_filter( 'wpmtst_thumbnail_img', 'wpmtst_thumbnail_img', 10, 3 );
79
80
81	/**
82	* Exclude testimonial thumbnails from Lazy Loading Responsive Images plugin.
83	*
84	* @param $attr
85	* @param $attachment
86	* @param $size
87	*
88	* @since 2.27.0
89	*
90	* @return array
91	*/
92	function wpmtst_exclude_from_lazyload( $attr, $attachment, $size ) {
93	$options = get_option( 'wpmtst_options' );
94
95	if ( isset( $options['no_lazyload_plugin'] ) && $options['no_lazyload_plugin'] ) {
96	if ( 'wpm-testimonial' === get_post_type( $attachment->post_parent ) ) {
97	$attr['data-no-lazyload'] = 1;
98	}
99	}
100
101	return $attr;
102	}
103	/**
104	* Add filter if Lazy Loading Responsive Images plugin is active.
105	*
106	* @since 2.27.0
107	*/
108	function wpmtst_lazyload_check() {
109	if ( wpmtst_is_plugin_active( 'lazy-loading-responsive-images' ) ) {
110	add_filter( 'wp_get_attachment_image_attributes', 'wpmtst_exclude_from_lazyload', 10, 3 );
111	}
112	}
113	add_action( 'init', 'wpmtst_lazyload_check' );
114
115	/**
116	* Enable lazy load
117	*
118	* @param $attr
119	* @param $attachment
120	* @param $size
121	*
122	* @since 2.27.0
123	*
124	* @return array
125	*/
126	function wpmtst_add_lazyload( $attr, $attachment, $size ) {
127	if ( ! function_exists( 'wp_lazy_loading_enabled' ) \|\| ! apply_filters( 'wp_lazy_loading_enabled', true, 'img', 'strong_testimonials_has_lazyload' ) ) {
128	$options = get_option( 'wpmtst_options' );
129
130	if ( isset( $options['lazyload'] ) && $options['lazyload'] ) {
131	if ( 'wpm-testimonial' === get_post_type( $attachment->post_parent ) && ! is_admin() ) {
132	$attr['class'] .= ' lazy-load';
133	$attr['data-src'] = $attr['src'];
134	$attr['data-srcset'] = $attr['srcset'];
135	unset( $attr['src'] );
136	unset( $attr['srcset'] );
137	}
138	}
139	}
140
141	return $attr;
142	}
143	add_filter( 'wp_get_attachment_image_attributes', 'wpmtst_add_lazyload', 10, 3 );
144
145	/**
146	* Filter the gravatar size.
147	*
148	* @param array\|string $size
149	* @since 1.23.0
150	* @return mixed
151	*/
152	function wpmtst_gravatar_size_filter( $size = array( 150, 150 ) ) {
153	// avatars are square so get the width of the requested size
154	if ( is_array( $size ) ) {
155	// if dimension array
156	$gravatar_size = $size[0];
157	} else {
158	// if named size
159	$image_sizes = wpmtst_get_image_sizes();
160	$gravatar_size = $image_sizes[ $size ]['width'];
161	}
162
163	return $gravatar_size;
164	}
165	add_filter( 'wpmtst_gravatar_size', 'wpmtst_gravatar_size_filter' );
166
167	/**
168	* Checks to see if the specified email address has a Gravatar image.
169	*
170	* Thanks Tom McFarlin https://tommcfarlin.com/check-if-a-user-has-a-gravatar/
171	* @param $email_address string The email of the address of the user to check
172	* @return bool Whether or not the user has a gravatar
173	* @since 1.23.0
174	*/
175	function wpmtst_has_gravatar( $email_address ) {
176	// Build the Gravatar URL by hashing the email address
177	$url = 'http://www.gravatar.com/avatar/' . md5( strtolower( trim( $email_address ) ) ) . '?d=404';
178
179	// Now check the headers...
180	$headers = get_headers( $url, 1 );
181
182	// Check if headers were retrieved successfully
183	if ( ! is_array( $headers ) \|\| ! isset( $headers[0] ) ) {
184	return false;
185	}
186
187	// If 200 is found, the user has a Gravatar; otherwise, they don't.
188	return preg_match( '\|200\|', $headers[0] ) ? true : false;
189	}
190
191	/**
192	* Before assembling avatar HTML.
193	*
194	* @param $url
195	* @param $id_or_email
196	* @param $args
197	*
198	* @return bool
199	*/
200	function wpmtst_get_avatar( $url, $id_or_email, $args ) {
201	if ( 'if' === WPMST()->atts( 'gravatar' ) && ! wpmtst_has_gravatar( $id_or_email ) ) {
202	return false;
203	}
204
205	return $url;
206	}
207
208
209	function wpmtst_thumbnail_img_platform( $img, $post_id, $size ) {
210
211	$platform = get_post_meta( $post_id, 'platform', true );
212	if ( ! $platform ) {
213	return $img;
214	}
215
216	$img = apply_filters( 'wpmtst_thumbnail_img_platform_' . $platform, $img, $post_id, $size );
217
218	return $img;
219	}
220	add_filter( 'wpmtst_thumbnail_img', 'wpmtst_thumbnail_img_platform', 10, 3 );
221
222
223	function wpmtst_thumbnail_img_platform_general( $img, $post_id, $size ) {
224
225	$platform_user_photo = get_post_meta( $post_id, 'platform_user_photo', true );
226	if ( ! $platform_user_photo \|\| ! wpmtst_is_valid_image_url( $platform_user_photo ) ) {
227	return $img;
228	}
229
230	//calculate width & height based on size
231	if ( is_array( $size ) ) {
232	$width = $size[0];
233	$height = $size[1];
234	} else {
235	$sizes = wpmtst_get_image_sizes( $size );
236	$width = $sizes['width'];
237	$height = $sizes['height'];
238	}
239
240	return sprintf( '<img src="%s" %s %s/>', $platform_user_photo, $width ? "width='{$width}'" : '', $height ? "height='{$height}'" : '' );
241	}
242	add_filter( 'wpmtst_thumbnail_img_platform_facebook', 'wpmtst_thumbnail_img_platform_general', 10, 3 );
243	add_filter( 'wpmtst_thumbnail_img_platform_google', 'wpmtst_thumbnail_img_platform_general', 10, 3 );
244	add_filter( 'wpmtst_thumbnail_img_platform_yelp', 'wpmtst_thumbnail_img_platform_general', 10, 3 );
245	add_filter( 'wpmtst_thumbnail_img_platform_zomato', 'wpmtst_thumbnail_img_platform_general', 10, 3 );
246
247
248	function wpmtst_thumbnail_img_platform_woocommerce( $img, $post_id, $size ) {
249
250	$options = get_option( 'wpmtst_importer_options' );
251	if ( '' === $options['email_field'] ) {
252	return $img;
253	}
254
255	$email = get_post_meta( $post_id, $options['email_field'], true );
256	if ( ! $email ) {
257	return $img;
258	}
259
260	//calculate width & height based on size
261	if ( is_array( $size ) ) {
262	$width = $size[0];
263	$height = $size[1];
264	} else {
265	$sizes = wpmtst_get_image_sizes( $size );
266	$width = $sizes['width'];
267	$height = $sizes['height'];
268	}
269
270	return sprintf( '<img src="%s" %s %s/>', get_avatar_url( $email ), $width ? "width='{$width}'" : '', $height ? "height='{$height}'" : '' );
271	}
272	add_filter( 'wpmtst_thumbnail_img_platform_woocommerce', 'wpmtst_thumbnail_img_platform_woocommerce', 10, 3 );
273
274	function wpmtst_is_valid_image_url( $url ) {
275	$headers = get_headers( $url, 1 );
276
277	if ( false === $headers ) {
278	return false;
279	}
280
281	if ( isset( $headers[0] ) && strpos( $headers[0], '200 OK' ) !== false ) {
282	return true;
283	}
284
285	return false;
286	}
287