Changeset 49926 for trunk/src/wp-includes/class-wp-hook.php

Timestamp:

01/03/2021 09:55:04 PM (4 years ago)

Author:

johnbillion

Message:

Docs: Various docblock corrections particularly relating to boolean types.

See #51800

File:

• trunk/src/wp-includes/class-wp-hook.php (modified) (1 diff)

trunk/src/wp-includes/class-wp-hook.php

@@ -187 +187 @@
     /**
      * Checks if a specific action has been registered for this hook.
+     *
+     * When using the $function_to_check argument, this function may return a non-boolean value
+     * that evaluates to false (e.g. 0), so use the === operator for testing the return value.
      *
      * @since 4.7.0