Question

is_protected_meta( string $meta_key,  string|null $meta_type = null )

Determine whether a meta key is protected.

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description

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参数

$meta_key

(string) (Required) Meta key

$meta_type

(string|null) (Optional)

Default value: null

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返回值

(bool) True if the key is protected, false otherwise.

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源代码

File: wp-includes/meta.php

function is_protected_meta( $meta_key, $meta_type = null ) {
	$protected = ( '_' == $meta_key[0] );

	/**
	 * Filters whether a meta key is protected.
	 *
	 * @since 3.2.0
	 *
	 * @param bool   $protected Whether the key is protected. Default false.
	 * @param string $meta_key  Meta key.
	 * @param string $meta_type Meta type.
	 */
	return apply_filters( 'is_protected_meta', $protected, $meta_key, $meta_type );
}

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更新日志

Version	description
3.1.3	Introduced.

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相关函数

Uses

• wp-includes/plugin.php: apply_filters()
• wp-includes/meta.php: is_protected_meta

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Used By

• wp-includes/post-template.php: the_meta()
• wp-admin/includes/template.php: _list_meta_row()
• wp-admin/includes/template.php: meta_form()
• wp-admin/includes/post.php: add_meta()
• wp-admin/includes/post.php: edit_post()
• wp-admin/includes/ajax-actions.php: wp_ajax_add_meta()
• wp-admin/includes/ajax-actions.php: wp_ajax_delete_meta()
• wp-admin/includes/meta-boxes.php: post_custom_meta_box()
• wp-includes/capabilities.php: map_meta_cap()
• wp-includes/meta.php: register_meta()
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User Contributed Notes