← All changes | includes/class-convertkit-resource-forms.php +509 -29 2.3.2 → 3.2.3 View file →

		@@ -11,9 +11,9 @@
11	11	* ConvertKit Forms data stored locally from the API.
12	12	*
13	13	* @since 1.9.6
14	14	*/
15		-class ConvertKit_Resource_Forms extends ConvertKit_Resource {
	15	+class ConvertKit_Resource_Forms extends ConvertKit_Resource_V4 {
16	16
17	17	/**
18	18	* Holds the Settings Key that stores site wide ConvertKit settings
19	19	*
		@@ -36,25 +36,87 @@
36	36	* @param bool|string $context Context.
37	37	*/
38	38	public function __construct( $context = false ) {
39	39
40		- // Initialize the API if the API Key and Secret have been defined in the Plugin Settings.
	40	+ // Initialize the API if the Access Token has been defined in the Plugin Settings.
41	41	$settings = new ConvertKit_Settings();
42		- if ( $settings->has_api_key_and_secret() ) {
43		- $this->api = new ConvertKit_API(
44		- $settings->get_api_key(),
45		- $settings->get_api_secret(),
	42	+ if ( $settings->has_access_and_refresh_token() ) {
	43	+ $this->api = new ConvertKit_API_V4(
	44	+ CONVERTKIT_OAUTH_CLIENT_ID,
	45	+ CONVERTKIT_OAUTH_CLIENT_REDIRECT_URI,
	46	+ $settings->get_access_token(),
	47	+ $settings->get_refresh_token(),
46	48	$settings->debug_enabled(),
47	49	$context
48	50	);
49	51	}
50	52
51		- // Call parent initialization function.
52		- parent::init();
	53	+ // Get last query time and existing resources.
	54	+ $this->last_queried = get_option( $this->settings_name . '_last_queried' );
	55	+ $this->resources = get_option( $this->settings_name );
53	56
54	57	}
55	58
56	59	/**
	60	+ * Fetches resources (forms, landing pages or tags) from the API, storing them in the options table
	61	+ * with a last queried timestamp.
	62	+ *
	63	+ * If the refresh results in a 401, removes the access and refresh tokens from the settings.
	64	+ *
	65	+ * @since 3.1.2
	66	+ *
	67	+ * @return WP_Error|array
	68	+ */
	69	+ public function refresh() {
	70	+
	71	+ // Call parent refresh method.
	72	+ $result = parent::refresh();
	73	+
	74	+ // If an error occured, maybe delete credentials from the Plugin's settings
	75	+ // if the error is a 401 unauthorized.
	76	+ if ( is_wp_error( $result ) ) {
	77	+ convertkit_maybe_delete_credentials( $result, CONVERTKIT_OAUTH_CLIENT_ID );
	78	+ }
	79	+
	80	+ return $result;
	81	+
	82	+ }
	83	+
	84	+ /**
	85	+ * Returns all inline forms based on the sort order.
	86	+ *
	87	+ * @since 2.7.3
	88	+ *
	89	+ * @return bool|array
	90	+ */
	91	+ public function get_inline() {
	92	+
	93	+ // If the ConvertKit WordPress Libraries are < 1.3.6 (e.g. loaded by an outdated
	94	+ // addon), or a WordPress site updates this Plugin before other ConvertKit Plugins,
	95	+ // get_by() won't be available and will cause an E_ERROR, crashing the site.
	96	+ // @see https://wordpress.org/support/topic/error-1795/.
	97	+ if ( ! method_exists( $this, 'get_by' ) ) { // @phpstan-ignore-line Older WordPress Libraries won't have this function.
	98	+ return false;
	99	+ }
	100	+
	101	+ return $this->get_by( 'format', array( 'inline' ) );
	102	+
	103	+ }
	104	+
	105	+ /**
	106	+ * Returns whether any inline forms exist in the options table.
	107	+ *
	108	+ * @since 2.7.3
	109	+ *
	110	+ * @return bool
	111	+ */
	112	+ public function inline_exist() {
	113	+
	114	+ return (bool) $this->get_inline();
	115	+
	116	+ }
	117	+
	118	+ /**
57	119	* Returns all non-inline forms based on the sort order.
58	120	*
59	121	* @since 2.2.4
60	122	*
		@@ -65,9 +127,9 @@
65	127	// If the ConvertKit WordPress Libraries are < 1.3.6 (e.g. loaded by an outdated
66	128	// addon), or a WordPress site updates this Plugin before other ConvertKit Plugins,
67	129	// get_by() won't be available and will cause an E_ERROR, crashing the site.
68	130	// @see https://wordpress.org/support/topic/error-1795/.
69		- if ( ! method_exists( $this, 'get_by' ) ) {
	131	+ if ( ! method_exists( $this, 'get_by' ) ) { // @phpstan-ignore-line Older WordPress Libraries won't have this function.
70	132	return false;
71	133	}
72	134
73	135	return $this->get_by( 'format', array( 'modal', 'slide in', 'sticky bar' ) );
		@@ -73,9 +135,8 @@
73	135	return $this->get_by( 'format', array( 'modal', 'slide in', 'sticky bar' ) );
74	136
75	137	}
76	138
77		-
78	139	/**
79	140	* Returns whether any non-inline forms exist in the options table.
80	141	*
81	142	* @since 2.2.4
		@@ -92,8 +153,347 @@
92	153
93	154	}
94	155
95	156	/**
	157	+ * Determines if the given Form ID is a legacy Form or Landing Page.
	158	+ *
	159	+ * @since 2.5.0
	160	+ *
	161	+ * @param int $id Form or Landing Page ID.
	162	+ */
	163	+ public function is_legacy( $id ) {
	164	+
	165	+ // Get Form.
	166	+ $form = $this->get_by_id( (int) $id );
	167	+
	168	+ // Return false if no Form exists.
	169	+ if ( ! $form ) {
	170	+ return false;
	171	+ }
	172	+
	173	+ // If the `format` key exists, this is not a legacy Form.
	174	+ if ( array_key_exists( 'format', $form ) ) {
	175	+ return false;
	176	+ }
	177	+
	178	+ return true;
	179	+
	180	+ }
	181	+
	182	+ /**
	183	+ * Returns a <select> field populated with all forms, based on the given parameters.
	184	+ *
	185	+ * @since 2.3.9
	186	+ *
	187	+ * @param string $name Name.
	188	+ * @param string $id ID.
	189	+ * @param bool|array $css_classes <select> CSS class(es).
	190	+ * @param string $selected_option <option> value to mark as selected.
	191	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	192	+ * @param bool|array $attributes <select> attributes.
	193	+ * @param bool|string|array $description Description.
	194	+ * @return string HTML Select Field
	195	+ */
	196	+ public function get_select_field_all( $name, $id, $css_classes, $selected_option, $prepend_options = false, $attributes = false, $description = false ) {
	197	+
	198	+ return $this->get_select_field(
	199	+ $this->get(),
	200	+ $name,
	201	+ $id,
	202	+ $css_classes,
	203	+ $selected_option,
	204	+ $prepend_options,
	205	+ $attributes,
	206	+ $description
	207	+ );
	208	+
	209	+ }
	210	+
	211	+ /**
	212	+ * Outputs a <select> field populated with all forms, based on the given parameters.
	213	+ *
	214	+ * @since 2.8.5
	215	+ *
	216	+ * @param string $name Name.
	217	+ * @param string $id ID.
	218	+ * @param bool|array $css_classes <select> CSS class(es).
	219	+ * @param string $selected_option <option> value to mark as selected.
	220	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	221	+ * @param bool|array $attributes <select> attributes.
	222	+ * @param bool|string|array $description Description.
	223	+ */
	224	+ public function output_select_field_all( $name, $id, $css_classes, $selected_option, $prepend_options = false, $attributes = false, $description = false ) {
	225	+
	226	+ $this->output_select_field(
	227	+ $this->get(),
	228	+ $name,
	229	+ $id,
	230	+ $css_classes,
	231	+ $selected_option,
	232	+ $prepend_options,
	233	+ $attributes,
	234	+ $description
	235	+ );
	236	+
	237	+ }
	238	+
	239	+ /**
	240	+ * Returns a <select> field populated with all non-inline forms, based on the given parameters.
	241	+ *
	242	+ * @since 2.3.9
	243	+ *
	244	+ * @param string $name Name.
	245	+ * @param string $id ID.
	246	+ * @param bool|array $css_classes <select> CSS class(es).
	247	+ * @param array $selected_options <option> values to mark as selected.
	248	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	249	+ * @param bool|array $attributes <select> attributes.
	250	+ * @param bool|string|array $description Description.
	251	+ * @return string HTML Select Field
	252	+ */
	253	+ public function get_select_field_non_inline( $name, $id, $css_classes, $selected_options, $prepend_options = false, $attributes = false, $description = false ) {
	254	+
	255	+ return $this->get_multi_select_field(
	256	+ $this->get_non_inline(),
	257	+ $name,
	258	+ $id,
	259	+ $css_classes,
	260	+ $selected_options,
	261	+ $prepend_options,
	262	+ $attributes,
	263	+ $description
	264	+ );
	265	+
	266	+ }
	267	+
	268	+ /**
	269	+ * Outputs a <select> field populated with all non-inline forms, based on the given parameters.
	270	+ *
	271	+ * @since 2.3.9
	272	+ *
	273	+ * @param string $name Name.
	274	+ * @param string $id ID.
	275	+ * @param bool|array $css_classes <select> CSS class(es).
	276	+ * @param array $selected_options <option> values to mark as selected.
	277	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	278	+ * @param bool|array $attributes <select> attributes.
	279	+ * @param bool|string|array $description Description.
	280	+ */
	281	+ public function output_select_field_non_inline( $name, $id, $css_classes, $selected_options, $prepend_options = false, $attributes = false, $description = false ) {
	282	+
	283	+ echo wp_kses(
	284	+ $this->get_select_field_non_inline(
	285	+ $name,
	286	+ $id,
	287	+ $css_classes,
	288	+ $selected_options,
	289	+ $prepend_options,
	290	+ $attributes,
	291	+ $description
	292	+ ),
	293	+ convertkit_kses_allowed_html()
	294	+ );
	295	+
	296	+ }
	297	+
	298	+ /**
	299	+ * Returns a <select> field populated with the resources, based on the given parameters.
	300	+ *
	301	+ * @since 2.3.9
	302	+ *
	303	+ * @param array $forms Forms.
	304	+ * @param string $name Name.
	305	+ * @param string $id ID.
	306	+ * @param bool|array $css_classes <select> CSS class(es).
	307	+ * @param string $selected_option <option> value to mark as selected.
	308	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	309	+ * @param bool|array $attributes <select> attributes.
	310	+ * @param bool|string|array $description Description.
	311	+ * @return string HTML Select Field
	312	+ */
	313	+ private function get_select_field( $forms, $name, $id, $css_classes, $selected_option, $prepend_options = false, $attributes = false, $description = false ) {
	314	+
	315	+ $html = sprintf(
	316	+ '<select name="%s" id="%s" class="%s"',
	317	+ esc_attr( $name ),
	318	+ esc_attr( $id ),
	319	+ esc_attr( ( is_array( $css_classes ) ? implode( ' ', $css_classes ) : '' ) )
	320	+ );
	321	+
	322	+ // Append any attributes.
	323	+ if ( $attributes ) {
	324	+ foreach ( $attributes as $key => $value ) {
	325	+ $html .= sprintf(
	326	+ ' %s="%s"',
	327	+ esc_attr( $key ),
	328	+ esc_attr( $value )
	329	+ );
	330	+ }
	331	+ }
	332	+
	333	+ // Close select tag.
	334	+ $html .= '>';
	335	+
	336	+ // If any prepended options exist, add them now.
	337	+ if ( $prepend_options ) {
	338	+ foreach ( $prepend_options as $value => $label ) {
	339	+ $html .= sprintf(
	340	+ '<option value="%s" data-preserve-on-refresh="1"%s>%s</option>',
	341	+ esc_attr( $value ),
	342	+ selected( $selected_option, $value, false ),
	343	+ esc_attr( $label )
	344	+ );
	345	+ }
	346	+ }
	347	+
	348	+ // Iterate through resources, if they exist, building <option> elements.
	349	+ if ( $forms ) {
	350	+ foreach ( $forms as $form ) {
	351	+ // Legacy forms don't include a `format` key, so define them as inline.
	352	+ $html .= sprintf(
	353	+ '<option value="%s"%s>%s [%s]</option>',
	354	+ esc_attr( $form['id'] ),
	355	+ selected( $selected_option, $form['id'], false ),
	356	+ esc_attr( $form['name'] ),
	357	+ ( ! empty( $form['format'] ) ? esc_attr( $form['format'] ) : 'inline' )
	358	+ );
	359	+ }
	360	+ }
	361	+
	362	+ // Close select.
	363	+ $html .= '</select>';
	364	+
	365	+ // If no description is provided, return the select field now.
	366	+ if ( ! $description ) {
	367	+ return $html;
	368	+ }
	369	+
	370	+ // Append description before returning field.
	371	+ if ( ! is_array( $description ) ) {
	372	+ return $html . '<p class="description">' . $description . '</p>';
	373	+ }
	374	+
	375	+ // Return description lines in a paragraph, using breaklines for each description entry in the array.
	376	+ return $html . '<p class="description">' . implode( '<br />', $description ) . '</p>';
	377	+
	378	+ }
	379	+
	380	+ /**
	381	+ * Outputs a <select> field populated with the resources, based on the given parameters.
	382	+ *
	383	+ * @since 2.8.5
	384	+ *
	385	+ * @param array $forms Forms.
	386	+ * @param string $name Name.
	387	+ * @param string $id ID.
	388	+ * @param bool|array $css_classes <select> CSS class(es).
	389	+ * @param string $selected_option <option> value to mark as selected.
	390	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	391	+ * @param bool|array $attributes <select> attributes.
	392	+ * @param bool|string|array $description Description.
	393	+ */
	394	+ private function output_select_field( $forms, $name, $id, $css_classes, $selected_option, $prepend_options = false, $attributes = false, $description = false ) {
	395	+
	396	+ echo wp_kses(
	397	+ $this->get_select_field(
	398	+ $forms,
	399	+ $name,
	400	+ $id,
	401	+ $css_classes,
	402	+ $selected_option,
	403	+ $prepend_options,
	404	+ $attributes,
	405	+ $description
	406	+ ),
	407	+ convertkit_kses_allowed_html()
	408	+ );
	409	+
	410	+ }
	411	+
	412	+ /**
	413	+ * Returns a <select> field populated with the resources, based on the given parameters,
	414	+ * that supports multiple selection.
	415	+ *
	416	+ * @since 2.6.9
	417	+ *
	418	+ * @param array $forms Forms.
	419	+ * @param string $name Name.
	420	+ * @param string $id ID.
	421	+ * @param bool|array $css_classes <select> CSS class(es).
	422	+ * @param array $selected_options <option> values to mark as selected.
	423	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	424	+ * @param bool|array $attributes <select> attributes.
	425	+ * @param bool|string|array $description Description.
	426	+ * @return string HTML Select Field
	427	+ */
	428	+ private function get_multi_select_field( $forms, $name, $id, $css_classes, $selected_options = array(), $prepend_options = false, $attributes = false, $description = false ) {
	429	+
	430	+ $html = sprintf(
	431	+ '<select name="%s[]" id="%s" class="%s" multiple',
	432	+ esc_attr( $name ),
	433	+ esc_attr( $id ),
	434	+ esc_attr( ( is_array( $css_classes ) ? implode( ' ', $css_classes ) : '' ) )
	435	+ );
	436	+
	437	+ // Append any attributes.
	438	+ if ( $attributes ) {
	439	+ foreach ( $attributes as $key => $value ) {
	440	+ $html .= sprintf(
	441	+ ' %s="%s"',
	442	+ esc_attr( $key ),
	443	+ esc_attr( $value )
	444	+ );
	445	+ }
	446	+ }
	447	+
	448	+ // Close select tag.
	449	+ $html .= '>';
	450	+
	451	+ // If any prepended options exist, add them now.
	452	+ if ( $prepend_options ) {
	453	+ foreach ( $prepend_options as $value => $label ) {
	454	+ $html .= sprintf(
	455	+ '<option value="%s" data-preserve-on-refresh="1"%s>%s</option>',
	456	+ esc_attr( $value ),
	457	+ ( in_array( $value, $selected_options, true ) ? ' selected' : '' ),
	458	+ esc_attr( $label )
	459	+ );
	460	+ }
	461	+ }
	462	+
	463	+ // Iterate through resources, if they exist, building <option> elements.
	464	+ if ( $forms ) {
	465	+ foreach ( $forms as $form ) {
	466	+ // Legacy forms don't include a `format` key, so define them as inline.
	467	+ $html .= sprintf(
	468	+ '<option value="%s"%s>%s [%s]</option>',
	469	+ esc_attr( $form['id'] ),
	470	+ ( in_array( $form['id'], $selected_options, true ) ? ' selected' : '' ),
	471	+ esc_attr( $form['name'] ),
	472	+ ( ! empty( $form['format'] ) ? esc_attr( $form['format'] ) : 'inline' )
	473	+ );
	474	+ }
	475	+ }
	476	+
	477	+ // Close select.
	478	+ $html .= '</select>';
	479	+
	480	+ // If no description is provided, return the select field now.
	481	+ if ( ! $description ) {
	482	+ return $html;
	483	+ }
	484	+
	485	+ // Append description before returning field.
	486	+ if ( ! is_array( $description ) ) {
	487	+ return $html . '<p class="description">' . $description . '</p>';
	488	+ }
	489	+
	490	+ // Return description lines in a paragraph, using breaklines for each description entry in the array.
	491	+ return $html . '<p class="description">' . implode( '<br />', $description ) . '</p>';
	492	+
	493	+ }
	494	+
	495	+ /**
96	496	* Returns the HTML/JS markup for the given Form ID.
97	497	*
98	498	* Legacy Forms will return HTML.
99	499	* Current Forms will return a <script> embed string.
		@@ -99,12 +499,13 @@
99	499	* Current Forms will return a <script> embed string.
100	500	*
101	501	* @since 1.9.6
102	502	*
103		- * @param int $id Form ID.
	503	+ * @param int $id Form ID.
	504	+ * @param int $post_id Post ID that requested the Form.
104	505	* @return WP_Error|string
105	506	*/
106		- public function get_html( $id ) {
	507	+ public function get_html( $id, $post_id = 0 ) {
107	508
108	509	// Cast ID to integer.
109	510	$id = absint( $id );
110	511
		@@ -118,33 +519,43 @@
118	519	return new WP_Error(
119	520	'convertkit_resource_forms_get_html',
120	521	sprintf(
121	522	/* translators: ConvertKit Form ID */
122		- __( 'ConvertKit Form ID %s does not exist on ConvertKit.', 'convertkit' ),
	523	+ __( 'Kit Form ID %s does not exist on Kit.', 'convertkit' ),
123	524	$id
124		- )
	525	+ ),
	526	+ 404
125	527	);
126	528	}
127	529
	530	+ // Initialize Settings.
	531	+ $settings = new ConvertKit_Settings();
	532	+
128	533	// If no uid is present in the Form API data, this is a legacy form that's served by directly fetching the HTML
129		- // from forms.convertkit.com.
	534	+ // from forms.kit.com.
130	535	if ( ! isset( $this->resources[ $id ]['uid'] ) ) {
131		- // Initialize Settings.
132		- $settings = new ConvertKit_Settings();
133		-
134		- // Bail if no API Key is specified in the Plugin Settings.
135		- if ( ! $settings->has_api_key() ) {
	536	+ // Bail if no Access Token is specified in the Plugin Settings.
	537	+ if ( ! $settings->has_access_token() ) {
136	538	return new WP_Error(
137	539	'convertkit_resource_forms_get_html',
138		- __( 'ConvertKit Legacy Form could not be fetched as no API Key specified in Plugin Settings', 'convertkit' )
	540	+ __( 'Kit Legacy Form could not be fetched as no Access Token specified in Plugin Settings', 'convertkit' )
139	541	);
140	542	}
141	543
142	544	// Initialize the API.
143		- $api = new ConvertKit_API( $settings->get_api_key(), $settings->get_api_secret(), $settings->debug_enabled(), 'output_form' );
	545	+ $api = new ConvertKit_API_V4(
	546	+ CONVERTKIT_OAUTH_CLIENT_ID,
	547	+ CONVERTKIT_OAUTH_CLIENT_REDIRECT_URI,
	548	+ $settings->get_access_token(),
	549	+ $settings->get_refresh_token(),
	550	+ $settings->debug_enabled(),
	551	+ 'output_form'
	552	+ );
144	553
145	554	// Return Legacy Form HTML.
146		- return $api->get_form_html( $id );
	555	+ // We now call get_html() with the `embed_url` property, instead of get_form_html() with the `id` property,
	556	+ // because `embed_url` includes the API Key.
	557	+ return $api->get_html( $this->resources[ $id ]['embed_url'] );
147	558	}
148	559
149	560	// If the form's format is not an inline form, add the inline script before the closing </body> tag.
150	561	// This prevents a modal form's overlay being constrained by the WordPress Theme's styles,
		@@ -152,27 +563,96 @@
152	563	// displaying twice.
153	564	if ( $this->resources[ $id ]['format'] !== 'inline' ) {
154	565	add_filter(
155	566	'convertkit_output_scripts_footer',
156		- function ( $scripts ) use ( $id ) {
	567	+ function ( $scripts ) use ( $id, $post_id, $settings ) {
157	568
158		- $scripts[] = array(
159		- 'async' => true,
160		- 'data-uid' => $this->resources[ $id ]['uid'],
161		- 'src' => $this->resources[ $id ]['embed_js'],
	569	+ // Build script.
	570	+ $script = array(
	571	+ 'async' => true,
	572	+ 'data-uid' => $this->resources[ $id ]['uid'],
	573	+ 'src' => $this->resources[ $id ]['embed_js'],
	574	+ 'data-kit-limit-per-session' => $settings->non_inline_form_limit_per_session() ? '1' : '0',
162	575	);
163	576
	577	+ // If debugging is enabled, add the post ID to the script.
	578	+ if ( $settings->debug_enabled() ) {
	579	+ $script['data-kit-source-post-id'] = $post_id;
	580	+ }
	581	+
	582	+ // Add the script to the scripts array.
	583	+ $scripts[] = $script;
	584	+
164	585	return $scripts;
165	586
166	587	}
167	588	);
168	589
	590	+ // Sanity check we're not in the WordPress Admin interface.
	591	+ // Some third party REST API Plugins seem to load frontend Posts, which would result in a wp_die() as
	592	+ // the output Plugin class (rightly) isn't initialized in the backend.
	593	+ if ( is_admin() ) {
	594	+ return '';
	595	+ }
	596	+
	597	+ // Don't output the global non-inline form, if defined, because
	598	+ // a non-inline form was specified at either Post/Page default level, Post/Page level
	599	+ // or Post Category level.
	600	+ // This prevents multiple non-inline forms loading.
	601	+ remove_action( 'wp_footer', array( WP_ConvertKit()->get_class( 'output' ), 'output_global_non_inline_form' ), 1 );
	602	+
169	603	// Don't return a script for output, as it'll be output in the site's footer.
170	604	return '';
171	605	}
172	606
173	607	// If here, return Form <script> embed now, as we want the inline form to display at this specific point of the content.
174		- return '<script async data-uid="' . esc_attr( $this->resources[ $id ]['uid'] ) . '" src="' . esc_url( $this->resources[ $id ]['embed_js'] ) . '"></script>';
	608	+
	609	+ // Define script key-value pairs.
	610	+ $script = array(
	611	+ 'async' => true,
	612	+ 'data-uid' => $this->resources[ $id ]['uid'],
	613	+ 'src' => $this->resources[ $id ]['embed_js'],
	614	+ );
	615	+
	616	+ // If debugging is enabled, add the post ID to the script.
	617	+ if ( $settings->debug_enabled() ) {
	618	+ $script['data-kit-source-post-id'] = $post_id;
	619	+ }
	620	+
	621	+ /**
	622	+ * Filter the form <script> key/value pairs immediately before the script is output.
	623	+ *
	624	+ * @since 2.4.5
	625	+ *
	626	+ * @param array $script Form script key/value pairs to output as <script> tag.
	627	+ */
	628	+ $script = apply_filters( 'convertkit_resource_forms_output_script', $script );
	629	+
	630	+ // Build script output.
	631	+ $output = '<script';
	632	+ foreach ( $script as $attribute => $value ) {
	633	+ // If the value is true, just output the attribute.
	634	+ if ( $value === true ) {
	635	+ $output .= ' ' . esc_attr( $attribute );
	636	+ continue;
	637	+ }
	638	+
	639	+ // Sanitize attribute and value.
	640	+ $attribute = esc_attr( $attribute );
	641	+ $value = ( $attribute === 'src' ? esc_url( $value ) : esc_attr( $value ) );
	642	+
	643	+ // Output the attribute and value.
	644	+ $output .= ' ' . $attribute;
	645	+
	646	+ // Output the value, if it's not a blank string.
	647	+ if ( strlen( $value ) > 0 ) {
	648	+ $output .= '="' . $value . '"';
	649	+ }
	650	+ }
	651	+ $output .= '></script>';
	652	+
	653	+ // Return script output.
	654	+ return $output;
175	655
176	656	}
177	657
178	658	}