File "helper-functions.php"
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Charset: utf-8
<?php
/**
* CMB2 Helper Functions
*
* @category WordPress_Plugin
* @package CMB2
* @author CMB2 team
* @license GPL-2.0+
* @link https://cmb2.io
*/
/**
* Helper function to provide directory path to CMB2
*
* @since 2.0.0
* @param string $path Path to append.
* @return string Directory with optional path appended
*/
function cmb2_dir( $path = '' ) {
return CMB2_DIR . $path;
}
/**
* Autoloads files with CMB2 classes when needed
*
* @since 1.0.0
* @param string $class_name Name of the class being requested.
*/
function cmb2_autoload_classes( $class_name ) {
if ( 0 !== strpos( $class_name, 'CMB2' ) ) {
return;
}
$path = 'includes';
if ( 'CMB2_Type' === $class_name || 0 === strpos( $class_name, 'CMB2_Type_' ) ) {
$path .= '/types';
}
if ( 'CMB2_REST' === $class_name || 0 === strpos( $class_name, 'CMB2_REST_' ) ) {
$path .= '/rest-api';
}
include_once( cmb2_dir( "$path/{$class_name}.php" ) );
}
/**
* Get instance of the CMB2_Utils class
*
* @since 2.0.0
* @return CMB2_Utils object CMB2 utilities class
*/
function cmb2_utils() {
static $cmb2_utils;
$cmb2_utils = $cmb2_utils ? $cmb2_utils : new CMB2_Utils();
return $cmb2_utils;
}
/**
* Get instance of the CMB2_Ajax class
*
* @since 2.0.0
* @return CMB2_Ajax object CMB2 ajax class
*/
function cmb2_ajax() {
return CMB2_Ajax::get_instance();
}
/**
* Get instance of the CMB2_Option class for the passed metabox ID
*
* @since 2.0.0
*
* @param string $key Option key to fetch.
* @return CMB2_Option object Options class for setting/getting options for metabox
*/
function cmb2_options( $key ) {
return CMB2_Options::get( $key );
}
/**
* Get a cmb oEmbed. Handles oEmbed getting for non-post objects
*
* @since 2.0.0
* @param array $args Arguments. Accepts:
*
* 'url' - URL to retrieve the oEmbed from,
* 'object_id' - $post_id,
* 'object_type' - 'post',
* 'oembed_args' - $embed_args, // array containing 'width', etc
* 'field_id' - false,
* 'cache_key' - false,
* 'wp_error' - true/false, // To return a wp_error object if no embed found.
*
* @return string oEmbed string
*/
function cmb2_get_oembed( $args = array() ) {
$oembed = cmb2_ajax()->get_oembed_no_edit( $args );
// Send back our embed.
if ( $oembed['embed'] && $oembed['embed'] != $oembed['fallback'] ) {
return '<div class="cmb2-oembed">' . $oembed['embed'] . '</div>';
}
$error = sprintf(
/* translators: 1: results for. 2: link to codex.wordpress.org/Embeds */
esc_html__( 'No oEmbed Results Found for %1$s. View more info at %2$s.', 'cmb2' ),
$oembed['fallback'],
'<a href="https://wordpress.org/support/article/embeds/" target="_blank">codex.wordpress.org/Embeds</a>'
);
if ( isset( $args['wp_error'] ) && $args['wp_error'] ) {
return new WP_Error( 'cmb2_get_oembed_result', $error, compact( 'oembed', 'args' ) );
}
// Otherwise, send back error info that no oEmbeds were found.
return '<p class="ui-state-error-text">' . $error . '</p>';
}
/**
* Outputs the return of cmb2_get_oembed.
*
* @since 2.2.2
* @see cmb2_get_oembed
*
* @param array $args oEmbed args.
*/
function cmb2_do_oembed( $args = array() ) {
echo cmb2_get_oembed( $args );
}
add_action( 'cmb2_do_oembed', 'cmb2_do_oembed' );
/**
* A helper function to get an option from a CMB2 options array
*
* @since 1.0.1
* @param string $option_key Option key.
* @param string $field_id Option array field key.
* @param mixed $default Optional default fallback value.
* @return array Options array or specific field
*/
function cmb2_get_option( $option_key, $field_id = '', $default = false ) {
return cmb2_options( $option_key )->get( $field_id, $default );
}
/**
* A helper function to update an option in a CMB2 options array
*
* @since 2.0.0
* @param string $option_key Option key.
* @param string $field_id Option array field key.
* @param mixed $value Value to update data with.
* @param boolean $single Whether data should not be an array.
* @return boolean Success/Failure
*/
function cmb2_update_option( $option_key, $field_id, $value, $single = true ) {
if ( cmb2_options( $option_key )->update( $field_id, $value, false, $single ) ) {
return cmb2_options( $option_key )->set();
}
return false;
}
/**
* Get a CMB2 field object.
*
* @since 1.1.0
* @param array $meta_box Metabox ID or Metabox config array.
* @param array $field_id Field ID or all field arguments.
* @param int|string $object_id Object ID (string for options-page).
* @param string $object_type Type of object being saved. (e.g., post, user, term, comment, or options-page).
* Defaults to metabox object type.
* @return CMB2_Field|null CMB2_Field object unless metabox config cannot be found
*/
function cmb2_get_field( $meta_box, $field_id, $object_id = 0, $object_type = '' ) {
$object_id = $object_id ? $object_id : get_the_ID();
$cmb = $meta_box instanceof CMB2 ? $meta_box : cmb2_get_metabox( $meta_box, $object_id );
if ( ! $cmb ) {
return;
}
$cmb->object_type( $object_type ? $object_type : $cmb->mb_object_type() );
return $cmb->get_field( $field_id );
}
/**
* Get a field's value.
*
* @since 1.1.0
* @param array $meta_box Metabox ID or Metabox config array.
* @param array $field_id Field ID or all field arguments.
* @param int|string $object_id Object ID (string for options-page).
* @param string $object_type Type of object being saved. (e.g., post, user, term, comment, or options-page).
* Defaults to metabox object type.
* @return mixed Maybe escaped value
*/
function cmb2_get_field_value( $meta_box, $field_id, $object_id = 0, $object_type = '' ) {
$field = cmb2_get_field( $meta_box, $field_id, $object_id, $object_type );
return $field->escaped_value();
}
/**
* Because OOP can be scary
*
* @since 2.0.2
* @param array $meta_box_config Metabox Config array.
* @return CMB2 object Instantiated CMB2 object
*/
function new_cmb2_box( array $meta_box_config ) {
return cmb2_get_metabox( $meta_box_config );
}
/**
* Retrieve a CMB2 instance by the metabox ID
*
* @since 2.0.0
* @param mixed $meta_box Metabox ID or Metabox config array.
* @param int|string $object_id Object ID (string for options-page).
* @param string $object_type Type of object being saved.
* (e.g., post, user, term, comment, or options-page).
* Defaults to metabox object type.
* @return CMB2 object
*/
function cmb2_get_metabox( $meta_box, $object_id = 0, $object_type = '' ) {
if ( $meta_box instanceof CMB2 ) {
return $meta_box;
}
if ( is_string( $meta_box ) ) {
$cmb = CMB2_Boxes::get( $meta_box );
} else {
// See if we already have an instance of this metabox.
$cmb = CMB2_Boxes::get( $meta_box['id'] );
// If not, we'll initate a new metabox.
$cmb = $cmb ? $cmb : new CMB2( $meta_box, $object_id );
}
if ( $cmb && $object_id ) {
$cmb->object_id( $object_id );
}
if ( $cmb && $object_type ) {
$cmb->object_type( $object_type );
}
return $cmb;
}
/**
* Returns array of sanitized field values from a metabox (without saving them)
*
* @since 2.0.3
* @param mixed $meta_box Metabox ID or Metabox config array.
* @param array $data_to_sanitize Array of field_id => value data for sanitizing (likely $_POST data).
* @return mixed Array of sanitized values or false if no CMB2 object found
*/
function cmb2_get_metabox_sanitized_values( $meta_box, array $data_to_sanitize ) {
$cmb = cmb2_get_metabox( $meta_box );
return $cmb ? $cmb->get_sanitized_values( $data_to_sanitize ) : false;
}
/**
* Retrieve a metabox form
*
* @since 2.0.0
* @param mixed $meta_box Metabox config array or Metabox ID.
* @param int|string $object_id Object ID (string for options-page).
* @param array $args Optional arguments array.
* @return string CMB2 html form markup
*/
function cmb2_get_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
$object_id = $object_id ? $object_id : get_the_ID();
$cmb = cmb2_get_metabox( $meta_box, $object_id );
ob_start();
// Get cmb form.
cmb2_print_metabox_form( $cmb, $object_id, $args );
$form = ob_get_clean();
return apply_filters( 'cmb2_get_metabox_form', $form, $object_id, $cmb );
}
/**
* Display a metabox form & save it on submission
*
* @since 1.0.0
* @param mixed $meta_box Metabox config array or Metabox ID.
* @param int|string $object_id Object ID (string for options-page).
* @param array $args Optional arguments array.
*/
function cmb2_print_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
$object_id = $object_id ? $object_id : get_the_ID();
$cmb = cmb2_get_metabox( $meta_box, $object_id );
// if passing a metabox ID, and that ID was not found.
if ( ! $cmb ) {
return;
}
$args = wp_parse_args( $args, array(
'form_format' => '<form class="cmb-form" method="post" id="%1$s" enctype="multipart/form-data" encoding="multipart/form-data"><input type="hidden" name="object_id" value="%2$s">%3$s<input type="submit" name="submit-cmb" value="%4$s" class="button-primary"></form>',
'save_button' => esc_html__( 'Save', 'cmb2' ),
'object_type' => $cmb->mb_object_type(),
'cmb_styles' => $cmb->prop( 'cmb_styles' ),
'enqueue_js' => $cmb->prop( 'enqueue_js' ),
) );
// Set object type explicitly (rather than trying to guess from context).
$cmb->object_type( $args['object_type'] );
// Save the metabox if it's been submitted
// check permissions
// @todo more hardening?
if (
$cmb->prop( 'save_fields' )
// check nonce.
&& isset( $_POST['submit-cmb'], $_POST['object_id'], $_POST[ $cmb->nonce() ] )
&& wp_verify_nonce( $_POST[ $cmb->nonce() ], $cmb->nonce() )
&& $object_id && $_POST['object_id'] == $object_id
) {
$cmb->save_fields( $object_id, $cmb->object_type(), $_POST );
}
// Enqueue JS/CSS.
if ( $args['cmb_styles'] ) {
CMB2_Hookup::enqueue_cmb_css();
}
if ( $args['enqueue_js'] ) {
CMB2_Hookup::enqueue_cmb_js();
}
$form_format = apply_filters( 'cmb2_get_metabox_form_format', $args['form_format'], $object_id, $cmb );
$format_parts = explode( '%3$s', $form_format );
// Show cmb form.
printf( $format_parts[0], esc_attr( $cmb->cmb_id ), esc_attr( $object_id ) );
$cmb->show_form();
if ( isset( $format_parts[1] ) && $format_parts[1] ) {
printf( str_ireplace( '%4$s', '%1$s', $format_parts[1] ), esc_attr( $args['save_button'] ) );
}
}
/**
* Display a metabox form (or optionally return it) & save it on submission.
*
* @since 1.0.0
* @param mixed $meta_box Metabox config array or Metabox ID.
* @param int|string $object_id Object ID (string for options-page).
* @param array $args Optional arguments array.
* @return string
*/
function cmb2_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
if ( ! isset( $args['echo'] ) || $args['echo'] ) {
cmb2_print_metabox_form( $meta_box, $object_id, $args );
} else {
return cmb2_get_metabox_form( $meta_box, $object_id, $args );
}
}
if ( ! function_exists( 'date_create_from_format' ) ) {
/**
* Reimplementation of DateTime::createFromFormat for PHP < 5.3. :(
* Borrowed from http://stackoverflow.com/questions/5399075/php-datetimecreatefromformat-in-5-2
*
* @param string $date_format Date format.
* @param string $date_value Date value.
*
* @return DateTime
*/
function date_create_from_format( $date_format, $date_value ) {
$schedule_format = str_replace(
array( 'M', 'Y', 'm', 'd', 'H', 'i', 'a' ),
array( '%b', '%Y', '%m', '%d', '%H', '%M', '%p' ),
$date_format
);
/*
* %Y, %m and %d correspond to date()'s Y m and d.
* %I corresponds to H, %M to i and %p to a
*/
// phpcs:ignore PHPCompatibility.FunctionUse.RemovedFunctions.strptimeDeprecated
$parsed_time = strptime( $date_value, $schedule_format );
$ymd = sprintf(
/**
* This is a format string that takes six total decimal
* arguments, then left-pads them with zeros to either
* 4 or 2 characters, as needed
*/
'%04d-%02d-%02d %02d:%02d:%02d',
$parsed_time['tm_year'] + 1900, // This will be "111", so we need to add 1900.
$parsed_time['tm_mon'] + 1, // This will be the month minus one, so we add one.
$parsed_time['tm_mday'],
$parsed_time['tm_hour'],
$parsed_time['tm_min'],
$parsed_time['tm_sec']
);
return new DateTime( $ymd );
}
}// End if.
if ( ! function_exists( 'date_timestamp_get' ) ) {
/**
* Returns the Unix timestamp representing the date.
* Reimplementation of DateTime::getTimestamp for PHP < 5.3. :(
*
* @param DateTime $date DateTime instance.
*
* @return int
*/
function date_timestamp_get( DateTime $date ) {
return $date->format( 'U' );
}
}// End if.