<?php

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class WPCF7_ContactForm {

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use WPCF7_SWV_SchemaHolder;

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use WPCF7_PipesHolder;

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const post_type = 'wpcf7_contact_form';

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private static $found_items = 0;

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private static $current = null;

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private $id;

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private $name;

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private $title;

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private $locale;

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private $properties = array();

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private $unit_tag;

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private $responses_count = 0;

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private $scanned_form_tags;

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private $shortcode_atts = array();

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private $hash = '';

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/**

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* Returns count of contact forms found by the previous retrieval.

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*

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* @return int Count of contact forms.

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*/

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public static function count() {

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return self::$found_items;

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}

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/**

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* Returns the contact form that is currently processed.

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*

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* @return WPCF7_ContactForm|null Current contact form object. Null if unset.

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*/

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public static function get_current() {

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return self::$current;

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}

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/**

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* Registers the post type for contact forms.

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*/

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public static function register_post_type() {

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register_post_type( self::post_type, array(

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'labels' => array(

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'name' => __( 'Contact Forms', 'contact-form-7' ),

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'singular_name' => __( 'Contact Form', 'contact-form-7' ),

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),

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'rewrite' => false,

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'query_var' => false,

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'public' => false,

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'capability_type' => 'page',

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'capabilities' => array(

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'edit_post' => 'wpcf7_edit_contact_form',

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'read_post' => 'wpcf7_read_contact_form',

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'delete_post' => 'wpcf7_delete_contact_form',

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'edit_posts' => 'wpcf7_edit_contact_forms',

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'edit_others_posts' => 'wpcf7_edit_contact_forms',

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'publish_posts' => 'wpcf7_edit_contact_forms',

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'read_private_posts' => 'wpcf7_edit_contact_forms',

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),

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) );

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}

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/**

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* Retrieves contact form data that match given conditions.

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*

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* @param string|array $args Optional. Arguments to be passed to WP_Query.

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* @return array Array of WPCF7_ContactForm objects.

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*/

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public static function find( $args = '' ) {

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$defaults = array(

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'post_status' => 'any',

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'posts_per_page' => -1,

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'offset' => 0,

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'orderby' => 'ID',

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'order' => 'ASC',

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);

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$args = wp_parse_args( $args, $defaults );

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$args['post_type'] = self::post_type;

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$q = new WP_Query();

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$posts = $q->query( $args );

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self::$found_items = $q->found_posts;

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$objs = array();

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foreach ( (array) $posts as $post ) {

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$objs[] = new self( $post );

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}

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return $objs;

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}

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/**

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* Returns a contact form data filled by default template contents.

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*

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* @param string|array $options Optional. Contact form options.

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* @return WPCF7_ContactForm A new contact form object.

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*/

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public static function get_template( $options = '' ) {

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$options = wp_parse_args( $options, array(

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'locale' => null,

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'title' => __( 'Untitled', 'contact-form-7' ),

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) );

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if ( ! isset( $options['locale'] ) ) {

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$options['locale'] = determine_locale();

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}

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$callback = static function ( $options ) {

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$contact_form = new self;

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$contact_form->title = $options['title'];

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$contact_form->locale = $options['locale'];

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$properties = $contact_form->get_properties();

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foreach ( $properties as $key => $value ) {

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$default_template = WPCF7_ContactFormTemplate::get_default( $key );

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if ( isset( $default_template ) ) {

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$properties[$key] = $default_template;

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}

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}

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$contact_form->properties = $properties;

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return $contact_form;

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};

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$contact_form = wpcf7_switch_locale(

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$options['locale'],

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$callback,

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$options

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);

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self::$current = apply_filters( 'wpcf7_contact_form_default_pack',

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$contact_form, $options

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);

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return self::$current;

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}

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/**

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* Creates a WPCF7_ContactForm object and sets it as the current instance.

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*

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* @param WPCF7_ContactForm|WP_Post|int $post Object or post ID.

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* @return WPCF7_ContactForm|null Contact form object. Null if unset.

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*/

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public static function get_instance( $post ) {

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$contact_form = null;

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if ( $post instanceof self ) {

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$contact_form = $post;

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} elseif ( ! empty( $post ) ) {

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$post = get_post( $post );

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if ( isset( $post ) and self::post_type === get_post_type( $post ) ) {

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$contact_form = new self( $post );

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}

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}

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return self::$current = $contact_form;

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}

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/**

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* Generates a "unit-tag" for the given contact form ID.

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*

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* @return string Unit-tag.

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*/

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private static function generate_unit_tag( $id = 0 ) {

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static $global_count = 0;

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$global_count += 1;

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if ( in_the_loop() ) {

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$unit_tag = sprintf( 'wpcf7-f%1$d-p%2$d-o%3$d',

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absint( $id ),

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get_the_ID(),

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$global_count

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);

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} else {

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$unit_tag = sprintf( 'wpcf7-f%1$d-o%2$d',

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absint( $id ),

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$global_count

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);

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}

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return $unit_tag;

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}

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/**

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* Constructor.

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*/

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private function __construct( $post = null ) {

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$post = get_post( $post );

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if ( $post

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and self::post_type === get_post_type( $post ) ) {

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$this->id = $post->ID;

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$this->name = $post->post_name;

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$this->title = $post->post_title;

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$this->locale = get_post_meta( $post->ID, '_locale', true );

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$this->hash = get_post_meta( $post->ID, '_hash', true );

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$this->construct_properties( $post );

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$this->upgrade();

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} else {

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$this->construct_properties();

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}

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do_action( 'wpcf7_contact_form', $this );

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}

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/**

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* Magic method for property overloading.

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*/

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public function __get( $name ) {

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$message = __( '<code>%1$s</code> property of a <code>WPCF7_ContactForm</code> object is <strong>no longer accessible</strong>. Use <code>%2$s</code> method instead.', 'contact-form-7' );

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if ( 'id' == $name ) {

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if ( WP_DEBUG ) {

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trigger_error(

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sprintf( $message, 'id', 'id()' ),

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E_USER_DEPRECATED

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);

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}

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return $this->id;

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} elseif ( 'title' == $name ) {

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if ( WP_DEBUG ) {

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trigger_error(

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sprintf( $message, 'title', 'title()' ),

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E_USER_DEPRECATED

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);

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}

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return $this->title;

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} elseif ( $prop = $this->prop( $name ) ) {

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if ( WP_DEBUG ) {

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trigger_error(

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sprintf( $message, $name, 'prop(\'' . $name . '\')' ),

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E_USER_DEPRECATED

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);

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}

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return $prop;

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}

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}

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/**

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* Returns true if this contact form is not yet saved to the database.

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*/

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public function initial() {

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return empty( $this->id );

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}

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/**

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* Constructs contact form properties. This is called only once

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* from the constructor.

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*/

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private function construct_properties( $post = null ) {

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$builtin_properties = array(

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'form' => '',

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'mail' => array(),

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'mail_2' => array(),

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'messages' => array(),

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'additional_settings' => '',

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);

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$properties = apply_filters(

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'wpcf7_pre_construct_contact_form_properties',

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$builtin_properties, $this

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);

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// Filtering out properties with invalid name

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$properties = array_filter(

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$properties,

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static function ( $key ) {

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$sanitized_key = sanitize_key( $key );

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return $key === $sanitized_key;

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},

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ARRAY_FILTER_USE_KEY

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);

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foreach ( $properties as $name => $val ) {

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$prop = $this->retrieve_property( $name );

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if ( isset( $prop ) ) {

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$properties[$name] = $prop;

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}

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}

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$this->properties = $properties;

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foreach ( $properties as $name => $val ) {

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$properties[$name] = apply_filters(

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"wpcf7_contact_form_property_{$name}",

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$val, $this

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);

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}

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$this->properties = $properties;

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$properties = (array) apply_filters(

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'wpcf7_contact_form_properties',

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$properties, $this

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);

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$this->properties = $properties;

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}

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/**

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* Retrieves contact form property of the specified name from the database.

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*

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* @param string $name Property name.

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* @return array|string|null Property value. Null if property does not exist.

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*/

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private function retrieve_property( $name ) {

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$property = null;

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if ( ! $this->initial() ) {

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$post_id = $this->id;

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if ( metadata_exists( 'post', $post_id, '_' . $name ) ) {

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$property = get_post_meta( $post_id, '_' . $name, true );

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} elseif ( metadata_exists( 'post', $post_id, $name ) ) {

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$property = get_post_meta( $post_id, $name, true );

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}

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}

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return $property;

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}

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/**

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* Returns the value for the given property name.

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*

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* @param string $name Property name.

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* @return array|string|null Property value. Null if property does not exist.

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*/

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public function prop( $name ) {

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$props = $this->get_properties();

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return isset( $props[$name] ) ? $props[$name] : null;

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}

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/**

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* Returns all the properties.

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*

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* @return array This contact form's properties.

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*/

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public function get_properties() {

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return (array) $this->properties;

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}

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/**

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* Updates properties.

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*

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* @param array $properties New properties.

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*/

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public function set_properties( $properties ) {

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$defaults = $this->get_properties();

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$properties = wp_parse_args( $properties, $defaults );

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$properties = array_intersect_key( $properties, $defaults );

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$this->properties = $properties;

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}

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/**

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* Returns ID of this contact form.

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*

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* @return int The ID.

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*/

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public function id() {

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return $this->id;

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}

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/**

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* Returns unit-tag for this contact form.

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*

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* @return string Unit-tag.

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*/

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public function unit_tag() {

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return $this->unit_tag;

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}

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/**

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* Returns name (slug) of this contact form.

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*

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* @return string Name.

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*/

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public function name() {

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return $this->name;

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}

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/**

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* Returns title of this contact form.

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*

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* @return string Title.

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*/

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public function title() {

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return $this->title;

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}

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/**

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* Set a title for this contact form.

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*

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* @param string $title Title.

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*/

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public function set_title( $title ) {

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$title = strip_tags( $title );

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$title = trim( $title );

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if ( '' === $title ) {

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$title = __( 'Untitled', 'contact-form-7' );

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}

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$this->title = $title;

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}

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/**

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* Returns the locale code of this contact form.

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*

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* @return string Locale code. Empty string if no valid locale is set.

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*/

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public function locale() {

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if ( wpcf7_is_valid_locale( $this->locale ) ) {

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return $this->locale;

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} else {

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return '';

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}

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}

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/**

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* Sets a locale for this contact form.

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*

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* @param string $locale Locale code.

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*/

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public function set_locale( $locale ) {

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$locale = trim( $locale );

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if ( wpcf7_is_valid_locale( $locale ) ) {

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$this->locale = $locale;

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} else {

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$this->locale = 'en_US';

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}

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}

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/**

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* Retrieves the random hash string tied to this contact form.

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*

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* @param int $length Length of hash string.

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* @return string Hash string unique to this contact form.

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*/

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public function hash( $length = 7 ) {

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return substr( $this->hash, 0, absint( $length ) );

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}

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/**

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* Returns the specified shortcode attribute value.

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*

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* @param string $name Shortcode attribute name.

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* @return string|null Attribute value. Null if the attribute does not exist.

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*/

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public function shortcode_attr( $name ) {

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if ( isset( $this->shortcode_atts[$name] ) ) {

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return (string) $this->shortcode_atts[$name];

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}

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}

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