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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 |
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778 | } |
779 |
|
780 | /** |
781 | * Fires once the WordPress environment has been set up. |
782 | * |
783 | * @since 2.1.0 |
784 | * |
785 | * @param WP $wp Current WordPress environment instance (passed by reference). |
786 | */ |
787 | do_action_ref_array( 'wp', array( &$this ) ); |
788 | } |
789 | } |
790 |
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