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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 |
|---|---|
| 482 | |
| 483 | $url = true; |
| 484 | if (strpos($show, 'url') === false && |
| 485 | strpos($show, 'directory') === false && |
| 486 | strpos($show, 'home') === false) |
| 487 | $url = false; |
| 488 | |
| 489 | if ( 'display' == $filter ) { |
| 490 | if ( $url ) |
| 491 | $output = apply_filters('bloginfo_url', $output, $show); |
| 492 | else |
| 493 | $output = apply_filters('bloginfo', $output, $show); |
| 494 | } |
| 495 | |
| 496 | return $output; |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * Display or retrieve page title for all areas of blog. |