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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 |
---|---|
2580 | * |
2581 | * @since 1.2.0 |
2582 | */ |
2583 | function wp_head() { |
2584 | /** |
2585 | * Prints scripts or data in the head tag on the front end. |
2586 | * |
2587 | * @since 1.5.0 |
2588 | */ |
2589 | do_action( 'wp_head' ); |
2590 | } |
2591 |
|
2592 | /** |
2593 | * Fire the wp_footer action. |
2594 | * |
2595 | * See {@see 'wp_footer'}. |
2596 | * |
2597 | * @since 1.5.1 |
2598 | */ |