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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 5994 | /** |
| 5995 | * Fires when the given function is being used incorrectly. |
| 5996 | * |
| 5997 | * @since 3.1.0 |
| 5998 | * |
| 5999 | * @param string $function_name The function that was called. |
| 6000 | * @param string $message A message explaining what has been done incorrectly. |
| 6001 | * @param string $version The version of WordPress where the message was added. |
| 6002 | */ |
| 6003 | do_action( 'doing_it_wrong_run', $function_name, $message, $version ); |
| 6004 | |
| 6005 | /** |
| 6006 | * Filters whether to trigger an error for _doing_it_wrong() calls. |
| 6007 | * |
| 6008 | * @since 3.1.0 |
| 6009 | * @since 5.1.0 Added the $function_name, $message and $version parameters. |
| 6010 | * |
| 6011 | * @param bool $trigger Whether to trigger the error for _doing_it_wrong() calls. Default true. |
| 6012 | * @param string $function_name The function that was called. |