Edit File by line

[500] Fix | Delete

* @param int|string $id The widget ID.

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[502] Fix | Delete

do_action( 'wp_unregister_sidebar_widget', $id );

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wp_register_sidebar_widget( $id, '', '' );

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wp_unregister_widget_control( $id );

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}

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/**

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* Registers widget control callback for customizing options.

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* @since 2.2.0

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* @since 5.3.0 Formalized the existing and already documented `...$params` parameter

[513] Fix | Delete

* by adding it to the function signature.

[514] Fix | Delete

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* @global array $wp_registered_widget_controls The registered widget controls.

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* @global array $wp_registered_widget_updates The registered widget updates.

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* @global array $wp_registered_widgets The registered widgets.

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* @global array $_wp_deprecated_widgets_callbacks

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* @param int|string $id Sidebar ID.

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* @param string $name Sidebar display name.

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* @param callable $control_callback Run when sidebar is displayed.

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* @param array $options {

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* Optional. Array or string of control options. Default empty array.

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* @type int $height Never used. Default 200.

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* @type int $width Width of the fully expanded control form (but try hard to use the default width).

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* Default 250.

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* @type int|string $id_base Required for multi-widgets, i.e widgets that allow multiple instances such as the

[530] Fix | Delete

* text widget. The widget ID will end up looking like `{$id_base}-{$unique_number}`.

[531] Fix | Delete

* }

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* @param mixed ...$params Optional additional parameters to pass to the callback function when it's called.

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function wp_register_widget_control( $id, $name, $control_callback, $options = array(), ...$params ) {

[535] Fix | Delete

global $wp_registered_widget_controls, $wp_registered_widget_updates, $wp_registered_widgets, $_wp_deprecated_widgets_callbacks;

[536] Fix | Delete

[537] Fix | Delete

$id = strtolower( $id );

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$id_base = _get_widget_id_base( $id );

[539] Fix | Delete

[540] Fix | Delete

if ( empty( $control_callback ) ) {

[541] Fix | Delete

unset( $wp_registered_widget_controls[ $id ] );

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unset( $wp_registered_widget_updates[ $id_base ] );

[543] Fix | Delete

return;

[544] Fix | Delete

}

[545] Fix | Delete

[546] Fix | Delete

if ( in_array( $control_callback, $_wp_deprecated_widgets_callbacks, true ) && ! is_callable( $control_callback ) ) {

[547] Fix | Delete

unset( $wp_registered_widgets[ $id ] );

[548] Fix | Delete

return;

[549] Fix | Delete

}

[550] Fix | Delete

[551] Fix | Delete

if ( isset( $wp_registered_widget_controls[ $id ] ) && ! did_action( 'widgets_init' ) ) {

[552] Fix | Delete

return;

[553] Fix | Delete

}

[554] Fix | Delete

[555] Fix | Delete

$defaults = array(

[556] Fix | Delete

'width' => 250,

[557] Fix | Delete

'height' => 200,

[558] Fix | Delete

); // Height is never used.

[559] Fix | Delete

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

[560] Fix | Delete

$options['width'] = (int) $options['width'];

[561] Fix | Delete

$options['height'] = (int) $options['height'];

[562] Fix | Delete

[563] Fix | Delete

$widget = array(

[564] Fix | Delete

'name' => $name,

[565] Fix | Delete

'id' => $id,

[566] Fix | Delete

'callback' => $control_callback,

[567] Fix | Delete

'params' => $params,

[568] Fix | Delete

);

[569] Fix | Delete

$widget = array_merge( $widget, $options );

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[571] Fix | Delete

$wp_registered_widget_controls[ $id ] = $widget;

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[573] Fix | Delete

if ( isset( $wp_registered_widget_updates[ $id_base ] ) ) {

[574] Fix | Delete

return;

[575] Fix | Delete

}

[576] Fix | Delete

[577] Fix | Delete

if ( isset( $widget['params'][0]['number'] ) ) {

[578] Fix | Delete

$widget['params'][0]['number'] = -1;

[579] Fix | Delete

}

[580] Fix | Delete

[581] Fix | Delete

unset( $widget['width'], $widget['height'], $widget['name'], $widget['id'] );

[582] Fix | Delete

$wp_registered_widget_updates[ $id_base ] = $widget;

[583] Fix | Delete

}

[584] Fix | Delete

[585] Fix | Delete

/**

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* Registers the update callback for a widget.

[587] Fix | Delete

[588] Fix | Delete

* @since 2.8.0

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* @since 5.3.0 Formalized the existing and already documented `...$params` parameter

[590] Fix | Delete

* by adding it to the function signature.

[591] Fix | Delete

[592] Fix | Delete

* @global array $wp_registered_widget_updates The registered widget updates.

[593] Fix | Delete

[594] Fix | Delete

* @param string $id_base The base ID of a widget created by extending WP_Widget.

[595] Fix | Delete

* @param callable $update_callback Update callback method for the widget.

[596] Fix | Delete

* @param array $options Optional. Widget control options. See wp_register_widget_control().

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* Default empty array.

[598] Fix | Delete

* @param mixed ...$params Optional additional parameters to pass to the callback function when it's called.

[599] Fix | Delete

[600] Fix | Delete

function _register_widget_update_callback( $id_base, $update_callback, $options = array(), ...$params ) {

[601] Fix | Delete

global $wp_registered_widget_updates;

[602] Fix | Delete

[603] Fix | Delete

if ( isset( $wp_registered_widget_updates[ $id_base ] ) ) {

[604] Fix | Delete

if ( empty( $update_callback ) ) {

[605] Fix | Delete

unset( $wp_registered_widget_updates[ $id_base ] );

[606] Fix | Delete

}

[607] Fix | Delete

return;

[608] Fix | Delete

}

[609] Fix | Delete

[610] Fix | Delete

$widget = array(

[611] Fix | Delete

'callback' => $update_callback,

[612] Fix | Delete

'params' => $params,

[613] Fix | Delete

);

[614] Fix | Delete

[615] Fix | Delete

$widget = array_merge( $widget, $options );

[616] Fix | Delete

$wp_registered_widget_updates[ $id_base ] = $widget;

[617] Fix | Delete

}

[618] Fix | Delete

[619] Fix | Delete

/**

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* Registers the form callback for a widget.

[621] Fix | Delete

[622] Fix | Delete

* @since 2.8.0

[623] Fix | Delete

* @since 5.3.0 Formalized the existing and already documented `...$params` parameter

[624] Fix | Delete

* by adding it to the function signature.

[625] Fix | Delete

[626] Fix | Delete

* @global array $wp_registered_widget_controls The registered widget controls.

[627] Fix | Delete

[628] Fix | Delete

* @param int|string $id Widget ID.

[629] Fix | Delete

* @param string $name Name attribute for the widget.

[630] Fix | Delete

* @param callable $form_callback Form callback.

[631] Fix | Delete

* @param array $options Optional. Widget control options. See wp_register_widget_control().

[632] Fix | Delete

* Default empty array.

[633] Fix | Delete

* @param mixed ...$params Optional additional parameters to pass to the callback function when it's called.

[634] Fix | Delete

[635] Fix | Delete

[636] Fix | Delete

function _register_widget_form_callback( $id, $name, $form_callback, $options = array(), ...$params ) {

[637] Fix | Delete

global $wp_registered_widget_controls;

[638] Fix | Delete

[639] Fix | Delete

$id = strtolower( $id );

[640] Fix | Delete

[641] Fix | Delete

if ( empty( $form_callback ) ) {

[642] Fix | Delete

unset( $wp_registered_widget_controls[ $id ] );

[643] Fix | Delete

return;

[644] Fix | Delete

}

[645] Fix | Delete

[646] Fix | Delete

if ( isset( $wp_registered_widget_controls[ $id ] ) && ! did_action( 'widgets_init' ) ) {

[647] Fix | Delete

return;

[648] Fix | Delete

}

[649] Fix | Delete

[650] Fix | Delete

$defaults = array(

[651] Fix | Delete

'width' => 250,

[652] Fix | Delete

'height' => 200,

[653] Fix | Delete

);

[654] Fix | Delete

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

[655] Fix | Delete

$options['width'] = (int) $options['width'];

[656] Fix | Delete

$options['height'] = (int) $options['height'];

[657] Fix | Delete

[658] Fix | Delete

$widget = array(

[659] Fix | Delete

'name' => $name,

[660] Fix | Delete

'id' => $id,

[661] Fix | Delete

'callback' => $form_callback,

[662] Fix | Delete

'params' => $params,

[663] Fix | Delete

);

[664] Fix | Delete

$widget = array_merge( $widget, $options );

[665] Fix | Delete

[666] Fix | Delete

$wp_registered_widget_controls[ $id ] = $widget;

[667] Fix | Delete

}

[668] Fix | Delete

[669] Fix | Delete

/**

[670] Fix | Delete

* Remove control callback for widget.

[671] Fix | Delete

[672] Fix | Delete

* @since 2.2.0

[673] Fix | Delete

[674] Fix | Delete

* @param int|string $id Widget ID.

[675] Fix | Delete

[676] Fix | Delete

function wp_unregister_widget_control( $id ) {

[677] Fix | Delete

wp_register_widget_control( $id, '', '' );

[678] Fix | Delete

}

[679] Fix | Delete

[680] Fix | Delete

/**

[681] Fix | Delete

* Display dynamic sidebar.

[682] Fix | Delete

[683] Fix | Delete

* By default this displays the default sidebar or 'sidebar-1'. If your theme specifies the 'id' or

[684] Fix | Delete

* 'name' parameter for its registered sidebars you can pass an ID or name as the $index parameter.

[685] Fix | Delete

* Otherwise, you can pass in a numerical index to display the sidebar at that index.

[686] Fix | Delete

[687] Fix | Delete

* @since 2.2.0

[688] Fix | Delete

[689] Fix | Delete

* @global array $wp_registered_sidebars The registered sidebars.

[690] Fix | Delete

* @global array $wp_registered_widgets The registered widgets.

[691] Fix | Delete

[692] Fix | Delete

* @param int|string $index Optional. Index, name or ID of dynamic sidebar. Default 1.

[693] Fix | Delete

* @return bool True, if widget sidebar was found and called. False if not found or not called.

[694] Fix | Delete

[695] Fix | Delete

function dynamic_sidebar( $index = 1 ) {

[696] Fix | Delete

global $wp_registered_sidebars, $wp_registered_widgets;

[697] Fix | Delete

[698] Fix | Delete

if ( is_int( $index ) ) {

[699] Fix | Delete

$index = "sidebar-$index";

[700] Fix | Delete

} else {

[701] Fix | Delete

$index = sanitize_title( $index );

[702] Fix | Delete

foreach ( (array) $wp_registered_sidebars as $key => $value ) {

[703] Fix | Delete

if ( sanitize_title( $value['name'] ) === $index ) {

[704] Fix | Delete

$index = $key;

[705] Fix | Delete

break;

[706] Fix | Delete

}

[707] Fix | Delete

}

[708] Fix | Delete

}

[709] Fix | Delete

[710] Fix | Delete

$sidebars_widgets = wp_get_sidebars_widgets();

[711] Fix | Delete

if ( empty( $wp_registered_sidebars[ $index ] ) || empty( $sidebars_widgets[ $index ] ) || ! is_array( $sidebars_widgets[ $index ] ) ) {

[712] Fix | Delete

/** This action is documented in wp-includes/widget.php */

[713] Fix | Delete

do_action( 'dynamic_sidebar_before', $index, false );

[714] Fix | Delete

/** This action is documented in wp-includes/widget.php */

[715] Fix | Delete

do_action( 'dynamic_sidebar_after', $index, false );

[716] Fix | Delete

/** This filter is documented in wp-includes/widget.php */

[717] Fix | Delete

return apply_filters( 'dynamic_sidebar_has_widgets', false, $index );

[718] Fix | Delete

}

[719] Fix | Delete

[720] Fix | Delete

$sidebar = $wp_registered_sidebars[ $index ];

[721] Fix | Delete

[722] Fix | Delete

$sidebar['before_sidebar'] = sprintf( $sidebar['before_sidebar'], $sidebar['id'], $sidebar['class'] );

[723] Fix | Delete

[724] Fix | Delete

/**

[725] Fix | Delete

* Fires before widgets are rendered in a dynamic sidebar.

[726] Fix | Delete

[727] Fix | Delete

* Note: The action also fires for empty sidebars, and on both the front end

[728] Fix | Delete

* and back end, including the Inactive Widgets sidebar on the Widgets screen.

[729] Fix | Delete

[730] Fix | Delete

* @since 3.9.0

[731] Fix | Delete

[732] Fix | Delete

* @param int|string $index Index, name, or ID of the dynamic sidebar.

[733] Fix | Delete

* @param bool $has_widgets Whether the sidebar is populated with widgets.

[734] Fix | Delete

* Default true.

[735] Fix | Delete

[736] Fix | Delete

do_action( 'dynamic_sidebar_before', $index, true );

[737] Fix | Delete

[738] Fix | Delete

if ( ! is_admin() && ! empty( $sidebar['before_sidebar'] ) ) {

[739] Fix | Delete

echo $sidebar['before_sidebar'];

[740] Fix | Delete

}

[741] Fix | Delete

[742] Fix | Delete

$did_one = false;

[743] Fix | Delete

foreach ( (array) $sidebars_widgets[ $index ] as $id ) {

[744] Fix | Delete

[745] Fix | Delete

if ( ! isset( $wp_registered_widgets[ $id ] ) ) {

[746] Fix | Delete

continue;

[747] Fix | Delete

}

[748] Fix | Delete

[749] Fix | Delete

$params = array_merge(

[750] Fix | Delete

array(

[751] Fix | Delete

array_merge(

[752] Fix | Delete

$sidebar,

[753] Fix | Delete

array(

[754] Fix | Delete

'widget_id' => $id,

[755] Fix | Delete

'widget_name' => $wp_registered_widgets[ $id ]['name'],

[756] Fix | Delete

)

[757] Fix | Delete

[758] Fix | Delete

[759] Fix | Delete

(array) $wp_registered_widgets[ $id ]['params']

[760] Fix | Delete

);

[761] Fix | Delete

[762] Fix | Delete

// Substitute HTML `id` and `class` attributes into `before_widget`.

[763] Fix | Delete

$classname_ = '';

[764] Fix | Delete

foreach ( (array) $wp_registered_widgets[ $id ]['classname'] as $cn ) {

[765] Fix | Delete

if ( is_string( $cn ) ) {

[766] Fix | Delete

$classname_ .= '_' . $cn;

[767] Fix | Delete

} elseif ( is_object( $cn ) ) {

[768] Fix | Delete

$classname_ .= '_' . get_class( $cn );

[769] Fix | Delete

}

[770] Fix | Delete

}

[771] Fix | Delete

$classname_ = ltrim( $classname_, '_' );

[772] Fix | Delete

[773] Fix | Delete

$params[0]['before_widget'] = sprintf(

[774] Fix | Delete

$params[0]['before_widget'],

[775] Fix | Delete

str_replace( '\\', '_', $id ),

[776] Fix | Delete

$classname_

[777] Fix | Delete

);

[778] Fix | Delete

[779] Fix | Delete

/**

[780] Fix | Delete

* Filters the parameters passed to a widget's display callback.

[781] Fix | Delete

[782] Fix | Delete

* Note: The filter is evaluated on both the front end and back end,

[783] Fix | Delete

* including for the Inactive Widgets sidebar on the Widgets screen.

[784] Fix | Delete

[785] Fix | Delete

* @since 2.5.0

[786] Fix | Delete

[787] Fix | Delete

* @see register_sidebar()

[788] Fix | Delete

[789] Fix | Delete

* @param array $params {

[790] Fix | Delete

* @type array $args {

[791] Fix | Delete

* An array of widget display arguments.

[792] Fix | Delete

[793] Fix | Delete

* @type string $name Name of the sidebar the widget is assigned to.

[794] Fix | Delete

* @type string $id ID of the sidebar the widget is assigned to.

[795] Fix | Delete

* @type string $description The sidebar description.

[796] Fix | Delete

* @type string $class CSS class applied to the sidebar container.

[797] Fix | Delete

* @type string $before_widget HTML markup to prepend to each widget in the sidebar.

[798] Fix | Delete

* @type string $after_widget HTML markup to append to each widget in the sidebar.

[799] Fix | Delete

* @type string $before_title HTML markup to prepend to the widget title when displayed.

[800] Fix | Delete

* @type string $after_title HTML markup to append to the widget title when displayed.

[801] Fix | Delete

* @type string $widget_id ID of the widget.

[802] Fix | Delete

* @type string $widget_name Name of the widget.

[803] Fix | Delete

* }

[804] Fix | Delete

* @type array $widget_args {

[805] Fix | Delete

* An array of multi-widget arguments.

[806] Fix | Delete

[807] Fix | Delete

* @type int $number Number increment used for multiples of the same widget.

[808] Fix | Delete

* }

[809] Fix | Delete

* }

[810] Fix | Delete

[811] Fix | Delete

$params = apply_filters( 'dynamic_sidebar_params', $params );

[812] Fix | Delete

[813] Fix | Delete

$callback = $wp_registered_widgets[ $id ]['callback'];

[814] Fix | Delete

[815] Fix | Delete

/**

[816] Fix | Delete

* Fires before a widget's display callback is called.

[817] Fix | Delete

[818] Fix | Delete

* Note: The action fires on both the front end and back end, including

[819] Fix | Delete

* for widgets in the Inactive Widgets sidebar on the Widgets screen.

[820] Fix | Delete

[821] Fix | Delete

* The action is not fired for empty sidebars.

[822] Fix | Delete

[823] Fix | Delete

* @since 3.0.0

[824] Fix | Delete

[825] Fix | Delete

* @param array $widget {

[826] Fix | Delete

* An associative array of widget arguments.

[827] Fix | Delete

[828] Fix | Delete

* @type string $name Name of the widget.

[829] Fix | Delete

* @type string $id Widget ID.

[830] Fix | Delete

* @type callable $callback When the hook is fired on the front end, `$callback` is an array

[831] Fix | Delete

* containing the widget object. Fired on the back end, `$callback`

[832] Fix | Delete

* is 'wp_widget_control', see `$_callback`.

[833] Fix | Delete

* @type array $params An associative array of multi-widget arguments.

[834] Fix | Delete

* @type string $classname CSS class applied to the widget container.

[835] Fix | Delete

* @type string $description The widget description.

[836] Fix | Delete

* @type array $_callback When the hook is fired on the back end, `$_callback` is populated

[837] Fix | Delete

* with an array containing the widget object, see `$callback`.

[838] Fix | Delete

* }

[839] Fix | Delete

[840] Fix | Delete

do_action( 'dynamic_sidebar', $wp_registered_widgets[ $id ] );

[841] Fix | Delete

[842] Fix | Delete

if ( is_callable( $callback ) ) {

[843] Fix | Delete

call_user_func_array( $callback, $params );

[844] Fix | Delete

$did_one = true;

[845] Fix | Delete

}

[846] Fix | Delete

}

[847] Fix | Delete

[848] Fix | Delete

if ( ! is_admin() && ! empty( $sidebar['after_sidebar'] ) ) {

[849] Fix | Delete

echo $sidebar['after_sidebar'];

[850] Fix | Delete

}

[851] Fix | Delete

[852] Fix | Delete

/**

[853] Fix | Delete

* Fires after widgets are rendered in a dynamic sidebar.

[854] Fix | Delete

[855] Fix | Delete

* Note: The action also fires for empty sidebars, and on both the front end

[856] Fix | Delete

* and back end, including the Inactive Widgets sidebar on the Widgets screen.

[857] Fix | Delete

[858] Fix | Delete

* @since 3.9.0

[859] Fix | Delete

[860] Fix | Delete

* @param int|string $index Index, name, or ID of the dynamic sidebar.

[861] Fix | Delete

* @param bool $has_widgets Whether the sidebar is populated with widgets.

[862] Fix | Delete

* Default true.

[863] Fix | Delete

[864] Fix | Delete

do_action( 'dynamic_sidebar_after', $index, true );

[865] Fix | Delete

[866] Fix | Delete

/**

[867] Fix | Delete

* Filters whether a sidebar has widgets.

[868] Fix | Delete

[869] Fix | Delete

* Note: The filter is also evaluated for empty sidebars, and on both the front end

[870] Fix | Delete

* and back end, including the Inactive Widgets sidebar on the Widgets screen.

[871] Fix | Delete

[872] Fix | Delete

* @since 3.9.0

[873] Fix | Delete

[874] Fix | Delete

* @param bool $did_one Whether at least one widget was rendered in the sidebar.

[875] Fix | Delete

* Default false.

[876] Fix | Delete

* @param int|string $index Index, name, or ID of the dynamic sidebar.

[877] Fix | Delete

[878] Fix | Delete

return apply_filters( 'dynamic_sidebar_has_widgets', $did_one, $index );

[879] Fix | Delete

}

[880] Fix | Delete

[881] Fix | Delete

/**

[882] Fix | Delete

* Determines whether a given widget is displayed on the front end.

[883] Fix | Delete

[884] Fix | Delete

* Either $callback or $id_base can be used

[885] Fix | Delete

* $id_base is the first argument when extending WP_Widget class

[886] Fix | Delete

* Without the optional $widget_id parameter, returns the ID of the first sidebar

[887] Fix | Delete

* in which the first instance of the widget with the given callback or $id_base is found.

[888] Fix | Delete

* With the $widget_id parameter, returns the ID of the sidebar where

[889] Fix | Delete

* the widget with that callback/$id_base AND that ID is found.

[890] Fix | Delete

[891] Fix | Delete

* NOTE: $widget_id and $id_base are the same for single widgets. To be effective

[892] Fix | Delete

* this function has to run after widgets have initialized, at action {@see 'init'} or later.

[893] Fix | Delete

[894] Fix | Delete

* For more information on this and similar theme functions, check out

[895] Fix | Delete

* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/

[896] Fix | Delete

* Conditional Tags} article in the Theme Developer Handbook.

[897] Fix | Delete

[898] Fix | Delete

* @since 2.2.0

[899] Fix | Delete

[900] Fix | Delete

* @global array $wp_registered_widgets The registered widgets.

[901] Fix | Delete

[902] Fix | Delete

* @param callable|false $callback Optional. Widget callback to check. Default false.

[903] Fix | Delete

* @param string|false $widget_id Optional. Widget ID. Optional, but needed for checking.

[904] Fix | Delete

* Default false.

[905] Fix | Delete

* @param string|false $id_base Optional. The base ID of a widget created by extending WP_Widget.

[906] Fix | Delete

* Default false.

[907] Fix | Delete

* @param bool $skip_inactive Optional. Whether to check in 'wp_inactive_widgets'.

[908] Fix | Delete

* Default true.

[909] Fix | Delete

* @return string|false ID of the sidebar in which the widget is active,

[910] Fix | Delete

* false if the widget is not active.

[911] Fix | Delete

[912] Fix | Delete

function is_active_widget( $callback = false, $widget_id = false, $id_base = false, $skip_inactive = true ) {

[913] Fix | Delete

global $wp_registered_widgets;

[914] Fix | Delete

[915] Fix | Delete

$sidebars_widgets = wp_get_sidebars_widgets();

[916] Fix | Delete

[917] Fix | Delete

if ( is_array( $sidebars_widgets ) ) {

[918] Fix | Delete

foreach ( $sidebars_widgets as $sidebar => $widgets ) {

[919] Fix | Delete

if ( $skip_inactive && ( 'wp_inactive_widgets' === $sidebar || str_starts_with( $sidebar, 'orphaned_widgets' ) ) ) {

[920] Fix | Delete

continue;

[921] Fix | Delete

}

[922] Fix | Delete

[923] Fix | Delete

if ( is_array( $widgets ) ) {

[924] Fix | Delete

foreach ( $widgets as $widget ) {

[925] Fix | Delete

if ( ( $callback && isset( $wp_registered_widgets[ $widget ]['callback'] ) && $wp_registered_widgets[ $widget ]['callback'] === $callback ) || ( $id_base && _get_widget_id_base( $widget ) === $id_base ) ) {

[926] Fix | Delete

if ( ! $widget_id || $widget_id === $wp_registered_widgets[ $widget ]['id'] ) {

[927] Fix | Delete

return $sidebar;

[928] Fix | Delete

}

[929] Fix | Delete

}

[930] Fix | Delete

}

[931] Fix | Delete

}

[932] Fix | Delete

}

[933] Fix | Delete

}

[934] Fix | Delete

return false;

[935] Fix | Delete

}

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/**

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* Determines whether the dynamic sidebar is enabled and used by the theme.

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* For more information on this and similar theme functions, check out

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* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/

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* Conditional Tags} article in the Theme Developer Handbook.

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* @since 2.2.0

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* @global array $wp_registered_widgets The registered widgets.

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* @global array $wp_registered_sidebars The registered sidebars.

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* @return bool True if using widgets, false otherwise.

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function is_dynamic_sidebar() {

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global $wp_registered_widgets, $wp_registered_sidebars;

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$sidebars_widgets = get_option( 'sidebars_widgets' );

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foreach ( (array) $wp_registered_sidebars as $index => $sidebar ) {

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if ( ! empty( $sidebars_widgets[ $index ] ) ) {

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foreach ( (array) $sidebars_widgets[ $index ] as $widget ) {

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if ( array_key_exists( $widget, $wp_registered_widgets ) ) {

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return true;

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}

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}

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}

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}

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return false;

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}

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/**

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* Determines whether a sidebar contains widgets.

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* For more information on this and similar theme functions, check out

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* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/

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* Conditional Tags} article in the Theme Developer Handbook.

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* @since 2.8.0

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* @param string|int $index Sidebar name, id or number to check.

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* @return bool True if the sidebar has widgets, false otherwise.

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function is_active_sidebar( $index ) {

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$index = ( is_int( $index ) ) ? "sidebar-$index" : sanitize_title( $index );

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$sidebars_widgets = wp_get_sidebars_widgets();

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$is_active_sidebar = ! empty( $sidebars_widgets[ $index ] );

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/**

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* Filters whether a dynamic sidebar is considered "active".

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* @since 3.9.0

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* @param bool $is_active_sidebar Whether or not the sidebar should be considered "active".

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* In other words, whether the sidebar contains any widgets.

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* @param int|string $index Index, name, or ID of the dynamic sidebar.

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return apply_filters( 'is_active_sidebar', $is_active_sidebar, $index );

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}

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