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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 |
|---|---|
| 2001 | * |
| 2002 | * @since 2.8.0 |
| 2003 | */ |
| 2004 | function wp_print_footer_scripts() { |
| 2005 | /** |
| 2006 | * Fires when footer scripts are printed. |
| 2007 | * |
| 2008 | * @since 2.8.0 |
| 2009 | */ |
| 2010 | do_action( 'wp_print_footer_scripts' ); |
| 2011 | } |
| 2012 | |
| 2013 | /** |
| 2014 | * Wrapper for do_action( 'wp_enqueue_scripts' ). |
| 2015 | * |
| 2016 | * Allows plugins to queue scripts for the front end using wp_enqueue_script(). |
| 2017 | * Runs first in wp_head() where all is_home(), is_page(), etc. functions are available. |
| 2018 | * |
| 2019 | * @since 2.8.0 |