Question

__return_false()

Returns false.

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description

Useful for returning false to filters easily.

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返回值

(false) False.

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源代码

File: wp-includes/functions.php

function __return_false() {
	return false;
}

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更新日志

Version	description
3.0.0	Introduced.

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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: 3You must log in to vote on the helpfulness of this note Contributed by Codex

   Example

   
   // This will add a filter on `example_filter` that returns false 
   add_filter( 'example_filter', '__return_false' ); 
   

Used as a callback for a filter:

// Disable admin toolbar on frontend
add_filter( 'show_admin_bar', '__return_false' );