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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 |
|---|---|
| 291 | } |
| 292 | |
| 293 | // If home is not set use siteurl. |
| 294 | if ( 'home' == $setting && '' == $value ) |
| 295 | return get_settings('siteurl'); |
| 296 | |
| 297 | if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting ) |
| 298 | $value = preg_replace('|/+$|', '', $value); |
| 299 | |
| 300 | return apply_filters( 'option_' . $setting, maybe_unserialize($value) ); |
| 301 | } |
| 302 | |
| 303 | function get_option($option) { |
| 304 | return get_settings($option); |
| 305 | } |
| 306 | |
| 307 | function get_user_option( $option, $user = 0 ) { |
| 308 | global $wpdb, $current_user; |
| 309 | |