<?php
class WPCF7_ContactForm {
use WPCF7_SWV_SchemaHolder;
const post_type = 'wpcf7_contact_form';
private static $found_items = 0;
private static $current = null;
private $id;
private $name;
private $title;
private $locale;
private $properties = array();
private $unit_tag;
private $responses_count = 0;
private $scanned_form_tags;
private $shortcode_atts = array();
private $hash = '';
/**
* Returns count of contact forms found by the previous retrieval.
*
* @return int Count of contact forms.
*/
public static function count() {
return self::$found_items;
}
/**
* Returns the contact form that is currently processed.
*
* @return WPCF7_ContactForm|null Current contact form object. Null if unset.
*/
public static function get_current() {
return self::$current;
}
/**
* Registers the post type for contact forms.
*/
public static function register_post_type() {
register_post_type( self::post_type, array(
'labels' => array(
'name' => __( 'Contact Forms', 'contact-form-7' ),
'singular_name' => __( 'Contact Form', 'contact-form-7' ),
),
'rewrite' => false,
'query_var' => false,
'public' => false,
'capability_type' => 'page',
'capabilities' => array(
'edit_post' => 'wpcf7_edit_contact_form',
'read_post' => 'wpcf7_read_contact_form',
'delete_post' => 'wpcf7_delete_contact_form',
'edit_posts' => 'wpcf7_edit_contact_forms',
'edit_others_posts' => 'wpcf7_edit_contact_forms',
'publish_posts' => 'wpcf7_edit_contact_forms',
'read_private_posts' => 'wpcf7_edit_contact_forms',
),
) );
}
/**
* Retrieves contact form data that match given conditions.
*
* @param string|array $args Optional. Arguments to be passed to WP_Query.
* @return array Array of WPCF7_ContactForm objects.
*/
public static function find( $args = '' ) {
$defaults = array(
'post_status' => 'any',
'posts_per_page' => -1,
'offset' => 0,
'orderby' => 'ID',
'order' => 'ASC',
);
$args = wp_parse_args( $args, $defaults );
$args['post_type'] = self::post_type;
$q = new WP_Query();
$posts = $q->query( $args );
self::$found_items = $q->found_posts;
$objs = array();
foreach ( (array) $posts as $post ) {
$objs[] = new self( $post );
}
return $objs;
}
/**
* Returns a contact form data filled by default template contents.
*
* @param string|array $args Optional. Contact form options.
* @return WPCF7_ContactForm A new contact form object.
*/
public static function get_template( $args = '' ) {
$args = wp_parse_args( $args, array(
'locale' => null,
'title' => __( 'Untitled', 'contact-form-7' ),
) );
if ( ! isset( $args['locale'] ) ) {
$args['locale'] = determine_locale();
}
$callback = static function ( $args ) {
$contact_form = new self;
$contact_form->title = $args['title'];
$contact_form->locale = $args['locale'];
$properties = $contact_form->get_properties();
foreach ( $properties as $key => $value ) {
$default_template = WPCF7_ContactFormTemplate::get_default( $key );
if ( isset( $default_template ) ) {
$properties[$key] = $default_template;
}
}
$contact_form->properties = $properties;
return $contact_form;
};
$contact_form = wpcf7_switch_locale(
$args['locale'],
$callback,
$args
);
self::$current = apply_filters( 'wpcf7_contact_form_default_pack',
$contact_form, $args
);
return self::$current;
}
/**
* Creates a WPCF7_ContactForm object and sets it as the current instance.
*
* @param WPCF7_ContactForm|WP_Post|int $post Object or post ID.
* @return WPCF7_ContactForm|null Contact form object. Null if unset.
*/
public static function get_instance( $post ) {
$contact_form = null;
if ( $post instanceof self ) {
$contact_form = $post;
} elseif ( ! empty( $post ) ) {
$post = get_post( $post );
if ( isset( $post ) and self::post_type === get_post_type( $post ) ) {
$contact_form = new self( $post );
}
}
return self::$current = $contact_form;
}
/**
* Generates a "unit-tag" for the given contact form ID.
*
* @return string Unit-tag.
*/
private static function generate_unit_tag( $id = 0 ) {
static $global_count = 0;
$global_count += 1;
if ( in_the_loop() ) {
$unit_tag = sprintf( 'wpcf7-f%1$d-p%2$d-o%3$d',
absint( $id ),
get_the_ID(),
$global_count
);
} else {
$unit_tag = sprintf( 'wpcf7-f%1$d-o%2$d',
absint( $id ),
$global_count
);
}
return $unit_tag;
}
/**
* Constructor.
*/
private function __construct( $post = null ) {
$post = get_post( $post );
if ( $post
and self::post_type === get_post_type( $post ) ) {
$this->id = $post->ID;
$this->name = $post->post_name;
$this->title = $post->post_title;
$this->locale = get_post_meta( $post->ID, '_locale', true );
$this->hash = get_post_meta( $post->ID, '_hash', true );
$this->construct_properties( $post );
$this->upgrade();
} else {
$this->construct_properties();
}
do_action( 'wpcf7_contact_form', $this );
}
/**
* Magic method for property overloading.
*/
public function __get( $name ) {
$message = __( '<code>%1$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' );
if ( 'id' == $name ) {
if ( WP_DEBUG ) {
trigger_error(
sprintf( $message, 'id', 'id()' ),
E_USER_DEPRECATED
);
}
return $this->id;
} elseif ( 'title' == $name ) {
if ( WP_DEBUG ) {
trigger_error(
sprintf( $message, 'title', 'title()' ),
E_USER_DEPRECATED
);
}
return $this->title;
} elseif ( $prop = $this->prop( $name ) ) {
if ( WP_DEBUG ) {
trigger_error(
sprintf( $message, $name, 'prop(\'' . $name . '\')' ),
E_USER_DEPRECATED
);
}
return $prop;
}
}
/**
* Returns true if this contact form is not yet saved to the database.
*/
public function initial() {
return empty( $this->id );
}
/**
* Constructs contact form properties. This is called only once
* from the constructor.
*/
private function construct_properties( $post = null ) {
$builtin_properties = array(
'form' => '',
'mail' => array(),
'mail_2' => array(),
'messages' => array(),
'additional_settings' => '',
);
$properties = apply_filters(
'wpcf7_pre_construct_contact_form_properties',
$builtin_properties, $this
);
// Filtering out properties with invalid name
$properties = array_filter(
$properties,
static function ( $key ) {
$sanitized_key = sanitize_key( $key );
return $key === $sanitized_key;
},
ARRAY_FILTER_USE_KEY
);
foreach ( $properties as $name => $val ) {
$prop = $this->retrieve_property( $name );
if ( isset( $prop ) ) {
$properties[$name] = $prop;
}
}
$this->properties = $properties;
foreach ( $properties as $name => $val ) {
$properties[$name] = apply_filters(
"wpcf7_contact_form_property_{$name}",
$val, $this
);
}
$this->properties = $properties;
$properties = (array) apply_filters(
'wpcf7_contact_form_properties',
$properties, $this
);
$this->properties = $properties;
}
/**
* Retrieves contact form property of the specified name from the database.
*
* @param string $name Property name.
* @return array|string|null Property value. Null if property does not exist.
*/
private function retrieve_property( $name ) {
$property = null;
if ( ! $this->initial() ) {
$post_id = $this->id;
if ( metadata_exists( 'post', $post_id, '_' . $name ) ) {
$property = get_post_meta( $post_id, '_' . $name, true );
} elseif ( metadata_exists( 'post', $post_id, $name ) ) {
$property = get_post_meta( $post_id, $name, true );
}
}
return $property;
}
/**
* Returns the value for the given property name.
*
* @param string $name Property name.
* @return array|string|null Property value. Null if property does not exist.
*/
public function prop( $name ) {
$props = $this->get_properties();
return isset( $props[$name] ) ? $props[$name] : null;
}
/**
* Returns all the properties.
*
* @return array This contact form's properties.
*/
public function get_properties() {
return (array) $this->properties;
}
/**
* Updates properties.
*
* @param array $properties New properties.
*/
public function set_properties( $properties ) {
$defaults = $this->get_properties();
$properties = wp_parse_args( $properties, $defaults );
$properties = array_intersect_key( $properties, $defaults );
$this->properties = $properties;
}
/**
* Returns ID of this contact form.
*
* @return int The ID.
*/
public function id() {
return $this->id;
}
/**
* Returns unit-tag for this contact form.
*
* @return string Unit-tag.
*/
public function unit_tag() {
return $this->unit_tag;
}
/**
* Returns name (slug) of this contact form.
*
* @return string Name.
*/
public function name() {
return $this->name;
}
/**
* Returns title of this contact form.
*
* @return string Title.
*/
public function title() {
return $this->title;
}
/**
* Set a title for this contact form.
*
* @param string $title Title.
*/
public function set_title( $title ) {
$title = strip_tags( $title );
$title = trim( $title );
if ( '' === $title ) {
$title = __( 'Untitled', 'contact-form-7' );
}
$this->title = $title;
}
/**
* Returns the locale code of this contact form.
*
* @return string Locale code. Empty string if no valid locale is set.
*/
public function locale() {
if ( wpcf7_is_valid_locale( $this->locale ) ) {
return $this->locale;
} else {
return '';
}
}
/**
* Sets a locale for this contact form.
*
* @param string $locale Locale code.
*/
public function set_locale( $locale ) {
$locale = trim( $locale );
if ( wpcf7_is_valid_locale( $locale ) ) {
$this->locale = $locale;
} else {
$this->locale = 'en_US';
}
}
/**
* Retrieves the random hash string tied to this contact form.
*
* @param int $length Length of hash string.
* @return string Hash string unique to this contact form.
*/
public function hash( $length = 7 ) {
return substr( $this->hash, 0, absint( $length ) );
}
/**
* Returns the specified shortcode attribute value.
*
* @param string $name Shortcode attribute name.
* @return string|null Attribute value. Null if the attribute does not exist.
*/
public function shortcode_attr( $name ) {
if ( isset( $this->shortcode_atts[$name] ) ) {
return (string) $this->shortcode_atts[$name];
}
}
/**
* Returns true if this contact form is identical to the submitted one.
*/
public function is_posted() {
if ( ! WPCF7_Submission::get_instance() ) {
return false;
}
if ( empty( $_POST['_wpcf7_unit_tag'] ) ) {
return false;
}
return $this->unit_tag() === $_POST['_wpcf7_unit_tag'];
}
/**
* Generates HTML that represents a form.
*
* @param string|array $args Optional. Form options.
* @return string HTML output.
*/
public function form_html( $args = '' ) {
$args = wp_parse_args( $args, array(
'html_id' => '',
'html_name' => '',
'html_title' => '',
'html_class' => '',
'output' => 'form',
) );
$this->shortcode_atts = $args;
if ( 'raw_form' == $args['output'] ) {
return sprintf(
'<pre class="wpcf7-raw-form"><code>%s</code></pre>',
esc_html( $this->prop( 'form' ) )
);
}
if ( $this->is_true( 'subscribers_only' )
and ! current_user_can( 'wpcf7_submit', $this->id() ) ) {
$notice = __(
"This contact form is available only for logged in users.",
'contact-form-7'
);
$notice = sprintf(
'<p class="wpcf7-subscribers-only">%s</p>',
esc_html( $notice )
);
return apply_filters( 'wpcf7_subscribers_only_notice', $notice, $this );
}
$this->unit_tag = self::generate_unit_tag( $this->id );
$lang_tag = str_replace( '_', '-', $this->locale );
if ( preg_match( '/^([a-z]+-[a-z]+)-/i', $lang_tag, $matches ) ) {
$lang_tag = $matches[1];
}
$html = "\n" . sprintf( '<div %s>',
wpcf7_format_atts( array(
'class' => 'wpcf7 no-js',
'id' => $this->unit_tag(),
( get_option( 'html_type' ) == 'text/html' ) ? 'lang' : 'xml:lang'
=> $lang_tag,
'dir' => wpcf7_is_rtl( $this->locale ) ? 'rtl' : 'ltr',
) )
);
$html .= "\n" . $this->screen_reader_response() . "\n";
$url = wpcf7_get_request_uri();
if ( $frag = strstr( $url, '#' ) ) {
$url = substr( $url, 0, -strlen( $frag ) );
}
$url .= '#' . $this->unit_tag();
$url = apply_filters( 'wpcf7_form_action_url', $url );
$id_attr = apply_filters( 'wpcf7_form_id_attr',
preg_replace( '/[^A-Za-z0-9:._-]/', '', $args['html_id'] )
);
$name_attr = apply_filters( 'wpcf7_form_name_attr',
preg_replace( '/[^A-Za-z0-9:._-]/', '', $args['html_name'] )
);
$title_attr = apply_filters( 'wpcf7_form_title_attr', $args['html_title'] );
$class = 'wpcf7-form';
if ( $this->is_posted() ) {
$submission = WPCF7_Submission::get_instance();
$data_status_attr = $this->form_status_class_name(
$submission->get_status()
);
$class .= sprintf( ' %s', $data_status_attr );
} else {
$data_status_attr = 'init';
$class .= ' init';
}
if ( $args['html_class'] ) {
$class .= ' ' . $args['html_class'];
}
if ( $this->in_demo_mode() ) {
$class .= ' demo';
}
$class = explode( ' ', $class );
$class = array_map( 'sanitize_html_class', $class );
$class = array_filter( $class );
$class = array_unique( $class );
$class = implode( ' ', $class );
$class = apply_filters( 'wpcf7_form_class_attr', $class );
$enctype = wpcf7_enctype_value( apply_filters( 'wpcf7_form_enctype', '' ) );
$autocomplete = apply_filters( 'wpcf7_form_autocomplete', '' );
$atts = array(
'action' => esc_url( $url ),
'method' => 'post',
'class' => ( '' !== $class ) ? $class : null,
'id' => ( '' !== $id_attr ) ? $id_attr : null,
'name' => ( '' !== $name_attr ) ? $name_attr : null,
'aria-label' => ( '' !== $title_attr )
? $title_attr : __( 'Contact form', 'contact-form-7' ),
'enctype' => ( '' !== $enctype ) ? $enctype : null,
'autocomplete' => ( '' !== $autocomplete ) ? $autocomplete : null,
'novalidate' => true,
'data-status' => $data_status_attr,
);
$atts += (array) apply_filters( 'wpcf7_form_additional_atts', array() );
$html .= sprintf( '<form %s>', wpcf7_format_atts( $atts ) ) . "\n";
$html .= $this->form_hidden_fields();
$html .= $this->form_elements();
if ( ! $this->responses_count ) {
$html .= $this->form_response_output();
}
$html .= "\n" . '</form>';
$html .= "\n" . '</div>';
return $html . "\n";
}
/**
* Returns the class name that matches the given form status.
*/
private function form_status_class_name( $status ) {
switch ( $status ) {
case 'init':
$class = 'init';
break;
case 'validation_failed':
$class = 'invalid';
break;
case 'acceptance_missing':
$class = 'unaccepted';
break;
case 'spam':
$class = 'spam';
break;
case 'aborted':
$class = 'aborted';
break;
case 'mail_sent':
$class = 'sent';
break;
case 'mail_failed':
$class = 'failed';
break;
default:
$class = sprintf(
'custom-%s',
preg_replace( '/[^0-9a-z]+/i', '-', $status )
);
}
return $class;
}
/**
* Returns a set of hidden fields.
*/
private function form_hidden_fields() {
$hidden_fields = array(
'_wpcf7' => $this->id(),
'_wpcf7_version' => WPCF7_VERSION,
'_wpcf7_locale' => $this->locale(),
'_wpcf7_unit_tag' => $this->unit_tag(),
'_wpcf7_container_post' => 0,
'_wpcf7_posted_data_hash' => '',
);
if ( in_the_loop() ) {
$hidden_fields['_wpcf7_container_post'] = (int) get_the_ID();
}
if ( $this->nonce_is_active() and is_user_logged_in() ) {
$hidden_fields['_wpnonce'] = wpcf7_create_nonce();
}
$hidden_fields += (array) apply_filters(
'wpcf7_form_hidden_fields', array()
);
$content = '';
foreach ( $hidden_fields as $name => $value ) {
$content .= sprintf(
'<input type="hidden" name="%1$s" value="%2$s" />',
esc_attr( $name ),
esc_attr( $value )
) . "\n";
}
return '<div style="display: none;">' . "\n" . $content . '</div>' . "\n";
}
/**
* Returns the visible response output for a form submission.
*/
public function form_response_output() {
$status = 'init';
$class = 'wpcf7-response-output';
$content = '';
if ( $this->is_posted() ) { // Post response output for non-AJAX
$submission = WPCF7_Submission::get_instance();
$status = $submission->get_status();
$content = $submission->get_response();
}
$atts = array(
'class' => trim( $class ),
'aria-hidden' => 'true',
);
$output = sprintf( '<div %1$s>%2$s</div>',
wpcf7_format_atts( $atts ),
esc_html( $content )
);
$output = apply_filters( 'wpcf7_form_response_output',
$output, $class, $content, $this, $status
);
$this->responses_count += 1;
return $output;
}
/**
* Returns the response output that is only accessible from screen readers.
*/
public function screen_reader_response() {
$primary_response = '';
$validation_errors = array();
if ( $this->is_posted() ) { // Post response output for non-AJAX
$submission = WPCF7_Submission::get_instance();
$primary_response = $submission->get_response();
if ( $invalid_fields = $submission->get_invalid_fields() ) {
foreach ( (array) $invalid_fields as $name => $field ) {
$list_item = esc_html( $field['reason'] );
if ( $field['idref'] ) {
$list_item = sprintf(
'<a href="#%1$s">%2$s</a>',
esc_attr( $field['idref'] ),
$list_item
);
}
$validation_error_id = wpcf7_get_validation_error_reference(
$name,
$this->unit_tag()
);
if ( $validation_error_id ) {
$list_item = sprintf(
'<li id="%1$s">%2$s</li>',
esc_attr( $validation_error_id ),
$list_item
);
$validation_errors[] = $list_item;
}
}
}
}
$primary_response = sprintf(
'<p role="status" aria-live="polite" aria-atomic="true">%s</p>',
esc_html( $primary_response )
);
$validation_errors = sprintf(
'<ul>%s</ul>',
implode( "\n", $validation_errors )
);
$output = sprintf(
'<div class="screen-reader-response">%1$s %2$s</div>',
$primary_response,
$validation_errors
);
return $output;
}
/**
* Returns a validation error for the specified input field.
*
* @param string $name Input field name.
*/
public function validation_error( $name ) {
$error = '';
if ( $this->is_posted() ) {
$submission = WPCF7_Submission::get_instance();
if ( $invalid_field = $submission->get_invalid_field( $name ) ) {
$error = trim( $invalid_field['reason'] );
}
}
if ( ! $error ) {
return $error;
}
$atts = array(
'class' => 'wpcf7-not-valid-tip',
'aria-hidden' => 'true',
);
$error = sprintf(
'<span %1$s>%2$s</span>',
wpcf7_format_atts( $atts ),
esc_html( $error )
);
return apply_filters( 'wpcf7_validation_error', $error, $name, $this );
}
/**
* Replaces all form-tags in the form template with corresponding HTML.
*
* @return string Replaced form content.
*/
public function replace_all_form_tags() {
$manager = WPCF7_FormTagsManager::get_instance();
$form = $this->prop( 'form' );
if ( wpcf7_autop_or_not() ) {
$form = $manager->replace_with_placeholders( $form );
$form = wpcf7_autop( $form );
$form = $manager->restore_from_placeholders( $form );
}
$form = $manager->replace_all( $form );
$this->scanned_form_tags = $manager->get_scanned_tags();
return $form;
}
/**
* Replaces all form-tags in the form template with corresponding HTML.
*
* @deprecated 4.6 Use replace_all_form_tags()
*
* @return string Replaced form content.
*/
public function form_do_shortcode() {
wpcf7_deprecated_function( __METHOD__, '4.6',
'WPCF7_ContactForm::replace_all_form_tags'
);
return $this->replace_all_form_tags();
}
/**
* Scans form-tags from the form template.
*
* @param string|array|null $cond Optional. Filters. Default null.
* @return array Form-tags matching the given filter conditions.
*/
public function scan_form_tags( $cond = null ) {
$manager = WPCF7_FormTagsManager::get_instance();
if ( empty( $this->scanned_form_tags ) ) {
$this->scanned_form_tags = $manager->scan( $this->prop( 'form' ) );
}
$tags = $this->scanned_form_tags;
return $manager->filter( $tags, $cond );
}
/**
* Scans form-tags from the form template.
*
* @deprecated 4.6 Use scan_form_tags()
*
* @param string|array|null $cond Optional. Filters. Default null.
* @return array Form-tags matching the given filter conditions.
*/
public function form_scan_shortcode( $cond = null ) {
wpcf7_deprecated_function( __METHOD__, '4.6',
'WPCF7_ContactForm::scan_form_tags'
);
return $this->scan_form_tags( $cond );
}
/**
* Replaces all form-tags in the form template with corresponding HTML.
*
* @return string Replaced form content. wpcf7_form_elements filters applied.
*/
public function form_elements() {
return apply_filters( 'wpcf7_form_elements',
$this->replace_all_form_tags()
);
}
/**
* Collects mail-tags available for this contact form.
*
* @param string|array $args Optional. Search options.
* @return array Mail-tag names.
*/
public function collect_mail_tags( $args = '' ) {
$manager = WPCF7_FormTagsManager::get_instance();
$args = wp_parse_args( $args, array(
'include' => array(),
'exclude' => $manager->collect_tag_types( 'not-for-mail' ),
) );
$tags = $this->scan_form_tags();
$mailtags = array();
foreach ( (array) $tags as $tag ) {
$type = $tag->basetype;
if ( empty( $type ) ) {
continue;
} elseif ( ! empty( $args['include'] ) ) {
if ( ! in_array( $type, $args['include'] ) ) {
continue;
}
} elseif ( ! empty( $args['exclude'] ) ) {
if ( in_array( $type, $args['exclude'] ) ) {
continue;
}
}
$mailtags[] = $tag->name;
}
$mailtags = array_unique( $mailtags );
$mailtags = array_filter( $mailtags );
$mailtags = array_values( $mailtags );
return apply_filters( 'wpcf7_collect_mail_tags', $mailtags, $args, $this );
}
/**
* Prints a mail-tag suggestion list.
*
* @param string $template_name Optional. Mail template name. Default 'mail'.
*/
public function suggest_mail_tags( $template_name = 'mail' ) {
$mail = wp_parse_args( $this->prop( $template_name ),
array(
'active' => false,
'recipient' => '',
'sender' => '',
'subject' => '',
'body' => '',
'additional_headers' => '',
'attachments' => '',
'use_html' => false,
'exclude_blank' => false,
)
);
$mail = array_filter( $mail );
foreach ( (array) $this->collect_mail_tags() as $mail_tag ) {
$pattern = sprintf(
'/\[(_[a-z]+_)?%s([ \t]+[^]]+)?\]/',
preg_quote( $mail_tag, '/' )
);
$used = preg_grep( $pattern, $mail );
echo sprintf(
'<span class="%1$s">[%2$s]</span>',
'mailtag code ' . ( $used ? 'used' : 'unused' ),
esc_html( $mail_tag )
);
}
}
/**
* Submits this contact form.
*
* @param string|array $args Optional. Submission options. Default empty.
* @return array Result of submission.
*/
public function submit( $args = '' ) {
$args = wp_parse_args( $args, array(
'skip_mail' =>
( $this->in_demo_mode()
|| $this->is_true( 'skip_mail' )
|| ! empty( $this->skip_mail ) ),
) );
if ( $this->is_true( 'subscribers_only' )
and ! current_user_can( 'wpcf7_submit', $this->id() ) ) {
$result = array(
'contact_form_id' => $this->id(),
'status' => 'error',
'message' => __(
"This contact form is available only for logged in users.",
'contact-form-7'
),
);
return $result;
}
$submission = WPCF7_Submission::get_instance( $this, array(
'skip_mail' => $args['skip_mail'],
) );
$result = array(
'contact_form_id' => $this->id(),
);
$result += $submission->get_result();
if ( $this->in_demo_mode() ) {
$result['demo_mode'] = true;
}
do_action( 'wpcf7_submit', $this, $result );
return $result;
}
/**
* Returns message used for given status.
*
* @param string $status Status.
* @param bool $filter Optional. Whether filters are applied. Default true.
* @return string Message.
*/
public function message( $status, $filter = true ) {
$messages = $this->prop( 'messages' );
$message = isset( $messages[$status] ) ? $messages[$status] : '';
if ( $filter ) {
$message = $this->filter_message( $message, $status );
}
return $message;
}
/**
* Filters a message.
*
* @param string $message Message to filter.
* @param string $status Optional. Status. Default empty.
* @return string Filtered message.
*/
public function filter_message( $message, $status = '' ) {
$message = wpcf7_mail_replace_tags( $message );
$message = apply_filters( 'wpcf7_display_message', $message, $status );
$message = wp_strip_all_tags( $message );
return $message;
}
/**
* Returns the additional setting value searched by name.
*
* @param string $name Name of setting.
* @return string Additional setting value.
*/
public function pref( $name ) {
$settings = $this->additional_setting( $name );
if ( $settings ) {
return $settings[0];
}
}
/**
* Returns additional setting values searched by name.
*
* @param string $name Name of setting.
* @param int $max Maximum result item count.
* @return array Additional setting values.
*/
public function additional_setting( $name, $max = 1 ) {
$settings = (array) explode( "\n", $this->prop( 'additional_settings' ) );
$pattern = '/^([a-zA-Z0-9_]+)[\t ]*:(.*)$/';
$count = 0;
$values = array();
foreach ( $settings as $setting ) {
if ( preg_match( $pattern, $setting, $matches ) ) {
if ( $matches[1] != $name ) {
continue;
}
if ( ! $max or $count < (int) $max ) {
$values[] = trim( $matches[2] );
$count += 1;
}
}
}
return $values;
}
/**
* Returns true if the specified setting has a truthy string value.
*
* @param string $name Name of setting.
* @return bool True if the setting value is 'on', 'true', or '1'.
*/
public function is_true( $name ) {
return in_array(
$this->pref( $name ),
array( 'on', 'true', '1' ),
true
);
}
/**
* Returns true if this contact form is in the demo mode.
*/
public function in_demo_mode() {
return $this->is_true( 'demo_mode' );
}
/**
* Returns true if nonce is active for this contact form.
*/
public function nonce_is_active() {
$is_active = WPCF7_VERIFY_NONCE;
if ( $this->is_true( 'subscribers_only' ) ) {
$is_active = true;
}
return (bool) apply_filters( 'wpcf7_verify_nonce', $is_active, $this );
}
/**
* Returns true if the specified setting has a falsey string value.
*
* @param string $name Name of setting.
* @return bool True if the setting value is 'off', 'false', or '0'.
*/
public function is_false( $name ) {
return in_array(
$this->pref( $name ),
array( 'off', 'false', '0' ),
true
);
}
/**
* Upgrades this contact form properties.
*/
private function upgrade() {
$mail = $this->prop( 'mail' );
if ( is_array( $mail )
and ! isset( $mail['recipient'] ) ) {
$mail['recipient'] = get_option( 'admin_email' );
}
$this->properties['mail'] = $mail;
$messages = $this->prop( 'messages' );
if ( is_array( $messages ) ) {
foreach ( wpcf7_messages() as $key => $arr ) {
if ( ! isset( $messages[$key] ) ) {
$messages[$key] = $arr['default'];
}
}
}
$this->properties['messages'] = $messages;
}
/**
* Stores this contact form properties to the database.
*
* @return int The post ID on success. The value 0 on failure.
*/
public function save() {
$title = wp_slash( $this->title );
$props = wp_slash( $this->get_properties() );
$post_content = implode( "\n", wpcf7_array_flatten( $props ) );
if ( $this->initial() ) {
$post_id = wp_insert_post( array(
'post_type' => self::post_type,
'post_status' => 'publish',
'post_title' => $title,
'post_content' => trim( $post_content ),
) );
} else {
$post_id = wp_update_post( array(
'ID' => (int) $this->id,
'post_status' => 'publish',
'post_title' => $title,
'post_content' => trim( $post_content ),
) );
}
if ( $post_id ) {
foreach ( $props as $prop => $value ) {
update_post_meta( $post_id, '_' . $prop,
wpcf7_normalize_newline_deep( $value )
);
}
if ( wpcf7_is_valid_locale( $this->locale ) ) {
update_post_meta( $post_id, '_locale', $this->locale );
}
add_post_meta( $post_id, '_hash',
wpcf7_generate_contact_form_hash( $post_id ),
true // Unique
);
if ( $this->initial() ) {
$this->id = $post_id;
do_action( 'wpcf7_after_create', $this );
} else {
do_action( 'wpcf7_after_update', $this );
}
do_action( 'wpcf7_after_save', $this );
}
return $post_id;
}
/**
* Makes a copy of this contact form.
*
* @return WPCF7_ContactForm New contact form object.
*/
public function copy() {
$new = new self;
$new->title = $this->title . '_copy';
$new->locale = $this->locale;
$new->properties = $this->properties;
return apply_filters( 'wpcf7_copy', $new, $this );
}
/**
* Deletes this contact form.
*/
public function delete() {
if ( $this->initial() ) {
return;
}
if ( wp_delete_post( $this->id, true ) ) {
$this->id = 0;
return true;
}
return false;
}
/**
* Returns a WordPress shortcode for this contact form.
*/
public function shortcode( $args = '' ) {
$args = wp_parse_args( $args, array(
'use_old_format' => false
) );
$title = str_replace( array( '"', '[', ']' ), '', $this->title );
if ( $args['use_old_format'] ) {
$old_unit_id = (int) get_post_meta( $this->id, '_old_cf7_unit_id', true );
if ( $old_unit_id ) {
$shortcode = sprintf(
'[contact-form %1$d "%2$s"]',
$old_unit_id,
$title
);
} else {
$shortcode = '';
}
} else {
$shortcode = sprintf(
'[contact-form-7 id="%1$s" title="%2$s"]',
$this->hash(),
$title
);
}
return apply_filters( 'wpcf7_contact_form_shortcode',
$shortcode, $args, $this
);
}
}
All system for education purposes only. For more tools: Telegram @jackleet