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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 |
---|---|
3040 | * |
3041 | * @since 1.2.0 |
3042 | */ |
3043 | function wp_head() { |
3044 | /** |
3045 | * Prints scripts or data in the head tag on the front end. |
3046 | * |
3047 | * @since 1.5.0 |
3048 | */ |
3049 | do_action( 'wp_head' ); |
3050 | } |
3051 |
|
3052 | /** |
3053 | * Fires the wp_footer action. |
3054 | * |
3055 | * See {@see 'wp_footer'}. |
3056 | * |
3057 | * @since 1.5.1 |
3058 | */ |