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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 2815 | |
| 2816 | /** |
| 2817 | * Filters the Heartbeat response sent. |
| 2818 | * |
| 2819 | * @since 3.6.0 |
| 2820 | * |
| 2821 | * @param array $response The Heartbeat response. |
| 2822 | * @param string $screen_id The screen id. |
| 2823 | */ |
| 2824 | $response = apply_filters( 'heartbeat_send', $response, $screen_id ); |
| 2825 | |
| 2826 | /** |
| 2827 | * Fires when Heartbeat ticks in logged-in environments. |
| 2828 | * |
| 2829 | * Allows the transport to be easily replaced with long-polling. |
| 2830 | * |
| 2831 | * @since 3.6.0 |
| 2832 | * |
| 2833 | * @param array $response The Heartbeat response. |