*/
public function _set( $number ) {
$this->number = $number;
$this->id = $this->id_base . '-' . $number;
}
/**
* Retrieves the widget display callback.
*
* @since 2.8.0
*
* @return callable Display callback.
*/
public function _get_display_callback() {
return array( $this, 'display_callback' );
}
/**
* Retrieves the widget update callback.
*
* @since 2.8.0
*
* @return callable Update callback.
*/
public function _get_update_callback() {
return array( $this, 'update_callback' );
}
/**
* Retrieves the form callback.
*
* @since 2.8.0
*
* @return callable Form callback.
*/
public function _get_form_callback() {
return array( $this, 'form_callback' );
}
/**
* Determines whether the current request is inside the Customizer preview.
*
* If true -- the current request is inside the Customizer preview, then
* the object cache gets suspended and widgets should check this to decide
* whether they should store anything persistently to the object cache,
* to transients, or anywhere else.
*
* @since 3.9.0
*
* @global WP_Customize_Manager $wp_customize
*
* @return bool True if within the Customizer preview, false if not.
*/
public function is_preview() {
global $wp_customize;
return ( isset( $wp_customize ) && $wp_customize->is_preview() );
}
/**
* Generates the actual widget content (Do NOT override).
*
* Finds the instance and calls WP_Widget::widget().
*
* @since 2.8.0
*
* @param array $args Display arguments. See WP_Widget::widget() for information
* on accepted arguments.
* @param int|array $widget_args {
* Optional. Internal order number of the widget instance, or array of multi-widget arguments.
* Default 1.
*
* @type int $number Number increment used for multiples of the same widget.
* }
*/
public function display_callback( $args, $widget_args = 1 ) {
if ( is_numeric( $widget_args ) ) {
$widget_args = array( 'number' => $widget_args );
}
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
$this->_set( $widget_args['number'] );
$instances = $this->get_settings();
if ( isset( $instances[ $this->number ] ) ) {
$instance = $instances[ $this->number ];
/**
* Filters the settings for a particular widget instance.
*
* Returning false will effectively short-circuit display of the widget.
*
* @since 2.8.0
*
* @param array $instance The current widget instance's settings.
* @param WP_Widget $widget The current widget instance.
* @param array $args An array of default widget arguments.
*/
$instance = apply_filters( 'widget_display_callback', $instance, $this, $args );
if ( false === $instance ) {
return;
}
$was_cache_addition_suspended = wp_suspend_cache_addition();
if ( $this->is_preview() && ! $was_cache_addition_suspended ) {
wp_suspend_cache_addition( true );
}
$this->widget( $args, $instance );
if ( $this->is_preview() ) {
wp_suspend_cache_addition( $was_cache_addition_suspended );
}
}
}
/**
* Handles changed settings (Do NOT override).
*
* @since 2.8.0
*
* @global array $wp_registered_widgets
*
* @param int $deprecated Not used.
*/
public function update_callback( $deprecated = 1 ) {
global $wp_registered_widgets;
$all_instances = $this->get_settings();
// We need to update the data.
if ( $this->updated ) {
return;
}
if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) {
// Delete the settings for this instance of the widget.
if ( isset( $_POST['the-widget-id'] ) ) {
$del_id = $_POST['the-widget-id'];
} else {
return;
}
if ( isset( $wp_registered_widgets[ $del_id ]['params'][0]['number'] ) ) {
$number = $wp_registered_widgets[ $del_id ]['params'][0]['number'];
if ( $this->id_base . '-' . $number === $del_id ) {
unset( $all_instances[ $number ] );
}
}
} else {
if ( isset( $_POST[ 'widget-' . $this->id_base ] ) && is_array( $_POST[ 'widget-' . $this->id_base ] ) ) {
$settings = $_POST[ 'widget-' . $this->id_base ];
} elseif ( isset( $_POST['id_base'] ) && $_POST['id_base'] === $this->id_base ) {
$num = $_POST['multi_number'] ? (int) $_POST['multi_number'] : (int) $_POST['widget_number'];
$settings = array( $num => array() );
} else {
return;
}
foreach ( $settings as $number => $new_instance ) {
$new_instance = stripslashes_deep( $new_instance );
$this->_set( $number );
$old_instance = isset( $all_instances[ $number ] ) ? $all_instances[ $number ] : array();
$was_cache_addition_suspended = wp_suspend_cache_addition();
if ( $this->is_preview() && ! $was_cache_addition_suspended ) {
wp_suspend_cache_addition( true );
}
$instance = $this->update( $new_instance, $old_instance );
if ( $this->is_preview() ) {
wp_suspend_cache_addition( $was_cache_addition_suspended );
}
/**
* Filters a widget's settings before saving.
*
* Returning false will effectively short-circuit the widget's ability
* to update settings.
*
* @since 2.8.0
*
* @param array $instance The current widget instance's settings.
* @param array $new_instance Array of new widget settings.
* @param array $old_instance Array of old widget settings.
* @param WP_Widget $widget The current widget instance.
*/
$instance = apply_filters( 'widget_update_callback', $instance, $new_instance, $old_instance, $this );
if ( false !== $instance ) {
$all_instances[ $number ] = $instance;
}
break; // Run only once.
}
}
$this->save_settings( $all_instances );
$this->updated = true;
}
/**
* Generates the widget control form (Do NOT override).
*
* @since 2.8.0
*
* @param int|array $widget_args {
* Optional. Internal order number of the widget instance, or array of multi-widget arguments.
* Default 1.
*
* @type int $number Number increment used for multiples of the same widget.
* }
* @return string|null
*/
public function form_callback( $widget_args = 1 ) {
if ( is_numeric( $widget_args ) ) {
$widget_args = array( 'number' => $widget_args );
}
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
$all_instances = $this->get_settings();
if ( -1 === $widget_args['number'] ) {
// We echo out a form where 'number' can be set later.
$this->_set( '__i__' );
$instance = array();
} else {
$this->_set( $widget_args['number'] );
$instance = $all_instances[ $widget_args['number'] ];
}
/**
* Filters the widget instance's settings before displaying the control form.
*
* Returning false effectively short-circuits display of the control form.
*
* @since 2.8.0
*
* @param array $instance The current widget instance's settings.
* @param WP_Widget $widget The current widget instance.
*/
$instance = apply_filters( 'widget_form_callback', $instance, $this );
$return = null;
if ( false !== $instance ) {
$return = $this->form( $instance );
/**
* Fires at the end of the widget control form.
*
* Use this hook to add extra fields to the widget form. The hook
* is only fired if the value passed to the 'widget_form_callback'
* hook is not false.
*
* Note: If the widget has no form, the text echoed from the default
* form method can be hidden using CSS.
*
* @since 2.8.0
*
* @param WP_Widget $widget The widget instance (passed by reference).
* @param null $return Return null if new fields are added.
* @param array $instance An array of the widget's settings.
*/
do_action_ref_array( 'in_widget_form', array( &$this, &$return, $instance ) );
}
return $return;
}
/**
* Registers an instance of the widget class.
*
* @since 2.8.0
*
* @param int $number Optional. The unique order number of this widget instance
* compared to other instances of the same class. Default -1.
*/
public function _register_one( $number = -1 ) {
wp_register_sidebar_widget(
$this->id,
$this->name,
$this->_get_display_callback(),
$this->widget_options,
array( 'number' => $number )
);
_register_widget_update_callback(
$this->id_base,
$this->_get_update_callback(),
$this->control_options,
array( 'number' => -1 )
);
_register_widget_form_callback(
$this->id,
$this->name,
$this->_get_form_callback(),
$this->control_options,
array( 'number' => $number )
);
}
/**
* Saves the settings for all instances of the widget class.
*
* @since 2.8.0
*
* @param array $settings Multi-dimensional array of widget instance settings.
*/
public function save_settings( $settings ) {
$settings['_multiwidget'] = 1;
update_option( $this->option_name, $settings );
}
/**
* Retrieves the settings for all instances of the widget class.
*
* @since 2.8.0
*
* @return array Multi-dimensional array of widget instance settings.
*/
public function get_settings() {
$settings = get_option( $this->option_name );
if ( false === $settings ) {
$settings = array();
if ( isset( $this->alt_option_name ) ) {
// Get settings from alternative (legacy) option.
$settings = get_option( $this->alt_option_name, array() );
// Delete the alternative (legacy) option as the new option will be created using `$this->option_name`.
delete_option( $this->alt_option_name );
}
// Save an option so it can be autoloaded next time.
$this->save_settings( $settings );
}
if ( ! is_array( $settings ) && ! ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) ) {
$settings = array();
}
if ( ! empty( $settings ) && ! isset( $settings['_multiwidget'] ) ) {
// Old format, convert if single widget.
$settings = wp_convert_widget_settings( $this->id_base, $this->option_name, $settings );
}
unset( $settings['_multiwidget'], $settings['__i__'] );
return $settings;
}
}
Fatal error: Uncaught Error: Class 'WP_Widget' not found in /var/www/html/helitower.com.br/web/wp-content/plugins/akismet/class.akismet-widget.php:5
Stack trace:
#0 /var/www/html/helitower.com.br/web/wp-content/plugins/akismet/akismet.php(51): require_once()
#1 /var/www/html/helitower.com.br/web/wp-settings.php(517): include_once('/var/www/html/h...')
#2 /var/www/html/helitower.com.br/web/wp-config.php(99): require_once('/var/www/html/h...')
#3 /var/www/html/helitower.com.br/web/wp-load.php(50): require_once('/var/www/html/h...')
#4 /var/www/html/helitower.com.br/web/wp-blog-header.php(13): require_once('/var/www/html/h...')
#5 /var/www/html/helitower.com.br/web/index.php(18): require('/var/www/html/h...')
#6 {main}
thrown in /var/www/html/helitower.com.br/web/wp-content/plugins/akismet/class.akismet-widget.php on line 5