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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 |
|---|---|
| 393 | </span></legend> |
| 394 | <?php |
| 395 | /** |
| 396 | * Filters the default time formats. |
| 397 | * |
| 398 | * @since 2.7.0 |
| 399 | * |
| 400 | * @param string[] $default_time_formats Array of default time formats. |
| 401 | */ |
| 402 | $time_formats = array_unique( apply_filters( 'time_formats', array( __( 'g:i a' ), 'g:i A', 'H:i' ) ) ); |
| 403 | |
| 404 | $custom = true; |
| 405 | |
| 406 | foreach ( $time_formats as $format ) { |
| 407 | echo "\t<label><input type='radio' name='time_format' value='" . esc_attr( $format ) . "'"; |
| 408 | if ( get_option( 'time_format' ) === $format ) { // checked() uses "==" rather than "===". |
| 409 | echo " checked='checked'"; |
| 410 | $custom = false; |
| 411 | } |