目录隐藏

add_settings_field

函数



      add_settings_field ( $id, $title, $callback, $page, $section = 'default', $args = array() )

参数

(string)
$id
Slug-name to identify the field. Used in the ‘id’ attribute of tags.
Required: 是
(string)
$title
Formatted title of the field. Shown as the label for the field during output.
Required: 是
(callable)
$callback
Function that fills the field with the desired form inputs. The function should echo its output.
Required: 是
(string)
$page
The slug-name of the settings page on which to show the section (general, reading, writing, …).
Required: 是
(string)
$section
Optional. The slug-name of the section of the settings page in which to show the box. Default ‘default’.
Required: 否

Default: ‘default’
(array)
$args
{ Optional. Extra arguments that get passed to the callback function. @type string $label_for When supplied, the setting title will be wrapped in a `
` element, its `for` attribute populated with this value. @type string $class CSS Class to be added to the ` ` element when the field is output. }
Required: 否

Default: array()
定义位置
- wp-admin/includes/template.php
  , line 1661
引入

2.7.0

弃用

–
Adds a new field to a section of a settings page.

Part of the Settings API. Use this to define a settings field that will show
as part of a settings section inside a settings page. The fields are shown using
do_settings_fields() in do_settings_sections().

The $callback argument should be the name of a function that echoes out the
HTML input tags for this setting field. Use get_option() to retrieve existing
values to show.
```
function add_settings_field( $id, $title, $callback, $page, $section = 'default', $args = array() ) {
	global $wp_settings_fields;

	if ( 'misc' === $page ) {
		_deprecated_argument(
			__FUNCTION__,
			'3.0.0',
			sprintf(
				/* translators: %s: misc */
				__( 'The "%s" options group has been removed. Use another settings group.' ),
				'misc'
			)
		);
		$page = 'general';
	}

	if ( 'privacy' === $page ) {
		_deprecated_argument(
			__FUNCTION__,
			'3.5.0',
			sprintf(
				/* translators: %s: privacy */
				__( 'The "%s" options group has been removed. Use another settings group.' ),
				'privacy'
			)
		);
		$page = 'reading';
	}

	$wp_settings_fields[ $page ][ $section ][ $id ] = array(
		'id'       => $id,
		'title'    => $title,
		'callback' => $callback,
		'args'     => $args,
	);
}
```
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