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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 |
|---|---|
| 144 | |
| 145 | $url = true; |
| 146 | if (strpos($show, 'url') === false && |
| 147 | strpos($show, 'directory') === false && |
| 148 | strpos($show, 'home') === false) |
| 149 | $url = false; |
| 150 | |
| 151 | if ( 'display' == $filter ) { |
| 152 | if ( $url ) |
| 153 | $output = apply_filters('bloginfo_url', $output, $show); |
| 154 | else |
| 155 | $output = apply_filters('bloginfo', $output, $show); |
| 156 | } |
| 157 | |
| 158 | return $output; |
| 159 | } |
| 160 | |
| 161 | |
| 162 | function wp_title($sep = '»', $display = true) { |