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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 |
|---|---|
| 356 | if ( $counts['wordpress'] ) |
| 357 | $titles['wordpress'] = sprintf( __( '%d WordPress Update'), $counts['wordpress'] ); |
| 358 | if ( $counts['plugins'] ) |
| 359 | $titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] ); |
| 360 | if ( $counts['themes'] ) |
| 361 | $titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] ); |
| 362 | |
| 363 | $update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : ''; |
| 364 | |
| 365 | return apply_filters( 'wp_get_update_data', array( 'counts' => $counts, 'title' => $update_title ), $titles ); |
| 366 | } |
| 367 | |
| 368 | function _maybe_update_core() { |
| 369 | include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version |
| 370 | |
| 371 | $current = get_site_transient( 'update_core' ); |
| 372 | |
| 373 | if ( isset( $current->last_checked ) && |
| 374 | 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) && |