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<?php
/**
 * Instructions:
 *
 * 1. Create a filter for guests number - https://tppr.me/H7Sjzs, https://tppr.me/D5jImO
 * 2. In the example below used 'max_guests' query variable for filter, you need replace it with your own. 
 *    You need to do this under 'Replace this with your filter variable' comment
 * 3. After this - each time when this filter applied - selected value will be stored, now you need to apply it in form
 * 4. Set this value as default for Guessts field in the form - https://tppr.me/vwdRCV.
 * 5. For the form keep the query var name from example - _booking_guests_num - here will be stored selected filter value

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{"post_title":"Apply to service","post_content":"<!-- wp:jet-forms\/hidden-field {\"name\":\"provider_id\"} \/-->\n\n<!-- wp:jet-forms\/select-field {\"field_options_from\":\"posts\",\"field_options_post_type\":\"services\",\"name\":\"service_id\"} \/-->\n\n<!-- wp:jet-forms\/submit-field \/-->","meta_input":{"_gspb_post_css":"","_jf_actions":"[{\"id\":3775,\"settings\":{\"send_email\":{\"subject\":\"New order on website\",\"content\":\"Hi admin!\\n\\nThere are new order on your website.\\n\\nOrder details:\\n- Post ID: %post_id%\"},\"call_hook\":{\"hook_name\":\"apply-to-service\"}},\"type\":\"call_hook\",\"conditions\":[],\"events\":[]}]"}}

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<?php

add_filter( 'jet-theme-core/location/render/template-id', function( $template_id ) {
	
	/**
	 * 123 - is ID of initial template you set in ThemeCore (could be found in adress bar)
	 * 'alternate-value' - is value of option which enables alternative layout for this page
	 * page-slug and option-name - there are option page slug and option name itself which are responsible for layout
	 */
	if ( 123 === $template_id && 'alternate-value' === jet_engine()->listings->data->get_option( 'page-slug::option-name' ) ) {

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<?php

add_filter( 'jet-form-builder/form-handler/form-data', function( $request ) {
  if ( isset( $request['field_name_to_sanitize'] ) ) {
    $request['field_name_to_sanitize'] = wp_strip_all_tags( $request['field_name_to_sanitize'] );
  }
  return $request;
} );

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<?php
/**
 * Add this code without opening PHP tag into funcitons.php og your active theme or with any code snippets plugin
 */
add_action(
	'rest_api_init',
	function() {

		/**
		 * Here you can set taxonomies slugs you wnat to add to Rest API response

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<?php
/**
 * Add this code without opening PHP tag into funcitons.php og your active theme or with any code snippets plugin
 */
add_action(
	'rest_api_init',
	function() {
		
		// Here you can specify post types slug where this field should be supported
		$supported_post_types = array(

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Documentation for JetBooking calendar JS API!

Filter jet-booking/input/config

Allows to change initial set up of booking calendar. Usage example:

window.jetBookingState.filters.add( "jet-booking/input/config", ( config ) => {

	const validateDay = config.beforeShowDay;

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<?php
add_filter( 'jet-engine/listings/allowed-callbacks', 'my_je_callback_register' );
function my_je_callback_register( $callbacks ) {
	$callbacks['my_je_get_link_callback'] = 'Get link by meta fields';
	return $callbacks;
}

function my_je_get_link_callback() {
	
	$label_field = 'status'; // Replace `status` with your meta field where link label is stored

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<?php
add_action( 'wp_footer', function() {
	echo '<script>
		jQuery( document ).on( "jet-booking/init-field", ( $event, $field ) => {
			var silent = false;
			var format = $field.data( "format" ) || "YYYY-MM-DD";
			$field.bind( "datepicker-change", ( event, obj ) => {
				silent = ! silent;
				if ( silent ) {
					$field.data( "dateRangePicker" ).setEnd( moment( obj.date1 ).add( 7, "d" ).format( "YYYY-MM-DD" ) );

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<?php
add_filter( 'jet-engine/listings/allowed-callbacks', function( $callbacks ) {
	$callbacks['jet_advanced_rel_list'] = 'Advanced realtions list';
	return $callbacks;
} );

function jet_advanced_rel_list( $items = [] ) {
	
	if ( empty( $items ) ) {
		return;