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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 |
---|---|
3000 | * |
3001 | * @since 1.2.0 |
3002 | */ |
3003 | function wp_head() { |
3004 | /** |
3005 | * Prints scripts or data in the head tag on the front end. |
3006 | * |
3007 | * @since 1.5.0 |
3008 | */ |
3009 | do_action( 'wp_head' ); |
3010 | } |
3011 |
|
3012 | /** |
3013 | * Fire the wp_footer action. |
3014 | * |
3015 | * See {@see 'wp_footer'}. |
3016 | * |
3017 | * @since 1.5.1 |
3018 | */ |