Question

wp_array_slice_assoc( array $array,  array $keys )

Extract a slice of an array, given a list of keys.

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description

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参数

$array

(array) (Required) The original array.

$keys

(array) (Required) The list of keys.

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返回值

(array) The array slice.

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源代码

File: wp-includes/functions.php

function wp_array_slice_assoc( $array, $keys ) {
	$slice = array();
	foreach ( $keys as $key )
		if ( isset( $array[ $key ] ) )
			$slice[ $key ] = $array[ $key ];

	return $slice;
}

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更新日志

Version	description
3.1.0	Introduced.

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相关函数

Used By

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• wp-includes/widgets/class-wp-widget-media-video.php: WP_Widget_Media_Video::enqueue_admin_scripts()
• wp-includes/widgets/class-wp-widget-media.php: WP_Widget_Media::form()
• wp-includes/widgets/class-wp-widget-media-image.php: WP_Widget_Media_Image::enqueue_admin_scripts()
• wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::import_theme_starter_content()
• wp-includes/theme.php: get_theme_starter_content()
• wp-includes/class-wp-term-query.php: WP_Term_Query::get_terms()
• wp-includes/class-wp-network-query.php: WP_Network_Query::get_networks()
• wp-includes/class-wp-site-query.php: WP_Site_Query::get_sites()
• wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::set_autofocus()
• wp-includes/class-wp-comment-query.php: WP_Comment_Query::get_comment_ids()
• wp-includes/class-wp-comment-query.php: WP_Comment_Query::fill_descendants()
• wp-includes/customize/class-wp-customize-nav-menu-setting.php: WP_Customize_Nav_Menu_Setting::sanitize()
• wp-includes/customize/class-wp-customize-nav-menu-setting.php: WP_Customize_Nav_Menu_Setting::update()
• wp-includes/customize/class-wp-customize-nav-menu-setting.php: WP_Customize_Nav_Menu_Setting::value()
• wp-includes/customize/class-wp-customize-nav-menu-item-setting.php: WP_Customize_Nav_Menu_Item_Setting::sanitize()
• wp-includes/class-wp-comment-query.php: WP_Comment_Query::get_comments()
• wp-includes/class-wp-customize-panel.php: WP_Customize_Panel::json()
• wp-includes/class-wp-customize-section.php: WP_Customize_Section::json()
• wp-includes/theme.php: _wp_customize_include()
• wp-includes/user.php: wp_dropdown_users()
• wp-includes/post.php: get_pages()
• wp-includes/author-template.php: wp_list_authors()
• wp-includes/comment.php: wp_update_comment()
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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by mrbobbybryant

   
   $options= get_option( 'my_theme' );
   
   $needed_keys = array(
      'key_1',
      'key_4',
      'key_5',
   );
   $filtered_keys = wp_array_slice_assoc( $options, $needed_keys );
   

   This will return an associative array with only the key/value pairs that you need.