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<?php
namespace Elementor\Core\Base;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* Base Object
*
* Base class that provides basic settings handling functionality.
*
* @since 2.3.0
*/
class Base_Object {
/**
* Settings.
*
* Holds the object settings.
*
* @access private
*
* @var array
*/
private $settings;
/**
* Get Settings.
*
* @since 2.3.0
* @access public
*
* @param string $setting Optional. The key of the requested setting. Default is null.
*
* @return mixed An array of all settings, or a single value if `$setting` was specified.
*/
final public function get_settings( $setting = null ) {
$this->ensure_settings();
return self::get_items( $this->settings, $setting );
}
/**
* Set settings.
*
* @since 2.3.0
* @access public
*
* @param array|string $key If key is an array, the settings are overwritten by that array. Otherwise, the
* settings of the key will be set to the given `$value` param.
*
* @param mixed $value Optional. Default is null.
*/
final public function set_settings( $key, $value = null ) {
$this->ensure_settings();
if ( is_array( $key ) ) {
$this->settings = $key;
} else {
$this->settings[ $key ] = $value;
}
}
/**
* Delete setting.
*
* Deletes the settings array or a specific key of the settings array if `$key` is specified.
* @since 2.3.0
* @access public
*
* @param string $key Optional. Default is null.
*/
public function delete_setting( $key = null ) {
if ( $key ) {
unset( $this->settings[ $key ] );
} else {
$this->settings = [];
}
}
final public function merge_properties( array $default_props, array $custom_props, array $allowed_props_keys = [] ) {
$props = array_replace_recursive( $default_props, $custom_props );
if ( $allowed_props_keys ) {
$props = array_intersect_key( $props, array_flip( $allowed_props_keys ) );
}
return $props;
}
/**
* Get items.
*
* Utility method that receives an array with a needle and returns all the
* items that match the needle. If needle is not defined the entire haystack
* will be returned.
*
* @since 2.3.0
* @access protected
* @static
*
* @param array $haystack An array of items.
* @param string $needle Optional. Needle. Default is null.
*
* @return mixed The whole haystack or the needle from the haystack when requested.
*/
final protected static function get_items( array $haystack, $needle = null ) {
if ( $needle ) {
return isset( $haystack[ $needle ] ) ? $haystack[ $needle ] : null;
}
return $haystack;
}
/**
* Get init settings.
*
* Used to define the default/initial settings of the object. Inheriting classes may implement this method to define
* their own default/initial settings.
*
* @since 2.3.0
* @access protected
*
* @return array
*/
protected function get_init_settings() {
return [];
}
/**
* Ensure settings.
*
* Ensures that the `$settings` member is initialized
*
* @since 2.3.0
* @access private
*/
private function ensure_settings() {
if ( null === $this->settings ) {
$this->settings = $this->get_init_settings();
}
}
/**
* Has Own Method
*
* Used for check whether the method passed as a parameter was declared in the current instance or inherited.
* If a base_class_name is passed, it checks whether the method was declared in that class. If the method's
* declaring class is the class passed as $base_class_name, it returns false. Otherwise (method was NOT declared
* in $base_class_name), it returns true.
*
* Example #1 - only $method_name is passed:
* The initial declaration of `register_controls()` happens in the `Controls_Stack` class. However, all
* widgets which have their own controls declare this function as well, overriding the original
* declaration. If `has_own_method()` would be called by a Widget's class which implements `register_controls()`,
* with 'register_controls' passed as the first parameter - `has_own_method()` will return true. If the Widget
* does not declare `register_controls()`, `has_own_method()` will return false.
*
* Example #2 - both $method_name and $base_class_name are passed
* In this example, the widget class inherits from a base class `Widget_Base`, and the base implements
* `register_controls()` to add certain controls to all widgets inheriting from it. `has_own_method()` is called by
* the widget, with the string 'register_controls' passed as the first parameter, and 'Elementor\Widget_Base' (its full name
* including the namespace) passed as the second parameter. If the widget class implements `register_controls()`,
* `has_own_method` will return true. If the widget class DOESN'T implement `register_controls()`, it will return
* false (because `Widget_Base` is the declaring class for `register_controls()`, and not the class that called
* `has_own_method()`).
*
* @since 3.1.0
*
* @param string $method_name
* @param string $base_class_name
*
* @return bool True if the method was declared by the current instance, False if it was inherited.
*/
public function has_own_method( $method_name, $base_class_name = null ) {
try {
$reflection_method = new \ReflectionMethod( $this, $method_name );
// If a ReflectionMethod is successfully created, get its declaring class.
$declaring_class = $reflection_method->getDeclaringClass();
} catch ( \Exception $e ) {
return false;
}
if ( $base_class_name ) {
return $base_class_name !== $declaring_class->name;
}
return get_called_class() === $declaring_class->name;
}
}