Question

__return_zero()

Returns 0.

---

description

Useful for returning 0 to filters easily.

---

返回值

(int) 0.

---

源代码

File: wp-includes/functions.php

function __return_zero() {
	return 0;
}

---

更新日志

Version	description
3.0.0	Introduced.

---

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 Codex

   Add a filter on `example_filter` that returns 0.

   add_filter( 'example_filter', '__return_zero' );