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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 |
---|---|
1199 | $value = preg_replace('/[^0-9:.-]/', '', $value); // strips slashes |
1200 | break; |
1201 |
|
1202 | case 'siteurl': |
1203 | case 'home': |
1204 | $value = stripslashes($value); |
1205 | $value = clean_url($value); |
1206 | break; |
1207 | default : |
1208 | $value = apply_filters("sanitize_option_{$option}", $value, $option); |
1209 | break; |
1210 | } |
1211 |
|
1212 | return $value; |
1213 | } |
1214 |
|
1215 | function wp_parse_str( $string, &$array ) { |
1216 | parse_str( $string, $array ); |
1217 | if ( get_magic_quotes_gpc() ) |