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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 |
|---|---|
| 404 | |
| 405 | $locales = array( get_locale() ); |
| 406 | /** |
| 407 | * Filter the locales requested for theme translations. |
| 408 | * |
| 409 | * @since 3.7.0 |
| 410 | * |
| 411 | * @param array $locales Theme locale. Default is current locale of the site. |
| 412 | */ |
| 413 | $locales = apply_filters( 'themes_update_check_locales', $locales ); |
| 414 | |
| 415 | $options = array( |
| 416 | 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3), |
| 417 | 'body' => array( |
| 418 | 'themes' => json_encode( $request ), |
| 419 | 'translations' => json_encode( $translations ), |
| 420 | 'locale' => json_encode( $locales ), |
| 421 | ), |
| 422 | 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) |