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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 |
|---|---|
| 200 | require( ABSPATH . WPINC . '/pluggable-deprecated.php' ); |
| 201 | |
| 202 | // Set internal encoding. |
| 203 | wp_set_internal_encoding(); |
| 204 | |
| 205 | // Run wp_cache_postload() if object cache is enabled and the function exists. |
| 206 | if ( WP_CACHE && function_exists( 'wp_cache_postload' ) ) |
| 207 | wp_cache_postload(); |
| 208 | |
| 209 | do_action( 'plugins_loaded' ); |
| 210 | |
| 211 | // Define constants which affect functionality if not already defined. |
| 212 | wp_functionality_constants( ); |
| 213 | |
| 214 | // Add magic quotes and set up $_REQUEST ( $_GET + $_POST ) |
| 215 | wp_magic_quotes(); |
| 216 | |
| 217 | do_action( 'sanitize_comment_cookies' ); |
| 218 | |