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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 |
|---|---|
| 222 | wp_cache_postload(); |
| 223 | |
| 224 | /** |
| 225 | * Fires once activated plugins have loaded. |
| 226 | * |
| 227 | * Pluggable functions are also available at this point in the loading order. |
| 228 | * |
| 229 | * @since 1.5.0 |
| 230 | */ |
| 231 | do_action( 'plugins_loaded' ); |
| 232 | |
| 233 | // Define constants which affect functionality if not already defined. |
| 234 | wp_functionality_constants(); |
| 235 | |
| 236 | // Add magic quotes and set up $_REQUEST ( $_GET + $_POST ) |
| 237 | wp_magic_quotes(); |
| 238 | |
| 239 | /** |
| 240 | * Fires when comment cookies are sanitized. |