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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 |
|---|---|
| 2007 | * @param string $title Error title. |
| 2008 | * @param string|array $args Optional arguments to control behavior. |
| 2009 | */ |
| 2010 | function wp_die( $message = '', $title = '', $args = array() ) { |
| 2011 | if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) |
| 2012 | $function = apply_filters( 'wp_die_ajax_handler', '_ajax_wp_die_handler' ); |
| 2013 | elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) |
| 2014 | $function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' ); |
| 2015 | else |
| 2016 | $function = apply_filters( 'wp_die_handler', '_default_wp_die_handler' ); |
| 2017 | |
| 2018 | call_user_func( $function, $message, $title, $args ); |
| 2019 | } |
| 2020 | |
| 2021 | /** |
| 2022 | * Kill WordPress execution and display HTML message with error message. |
| 2023 | * |
| 2024 | * This is the default handler for wp_die if you want a custom one for your |
| 2025 | * site then you can overload using the wp_die_handler filter in wp_die |