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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 |
|---|---|
| 526 | if (strpos($show, 'url') === false && |
| 527 | strpos($show, 'directory') === false && |
| 528 | strpos($show, 'home') === false) |
| 529 | $url = false; |
| 530 | |
| 531 | if ( 'display' == $filter ) { |
| 532 | if ( $url ) |
| 533 | $output = apply_filters('bloginfo_url', $output, $show); |
| 534 | else |
| 535 | $output = apply_filters('bloginfo', $output, $show); |
| 536 | } |
| 537 | |
| 538 | return $output; |
| 539 | } |
| 540 | |
| 541 | /** |
| 542 | * Display or retrieve page title for all areas of blog. |
| 543 | * |
| 544 | * By default, the page title will display the separator before the page title, |