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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 |
|---|---|
| 3078 | * |
| 3079 | * Next we check if the URL Rewrite Module 1.1 is loaded and enabled for the web site. When |
| 3080 | * URL Rewrite 1.1 is loaded it always sets a server variable called 'IIS_UrlRewriteModule'. |
| 3081 | * Lastly we make sure that PHP is running via FastCGI. This is important because if it runs |
| 3082 | * via ISAPI then pretty permalinks will not work. |
| 3083 | */ |
| 3084 | $supports_permalinks = class_exists('DOMDocument') && isset($_SERVER['IIS_UrlRewriteModule']) && ( php_sapi_name() == 'cgi-fcgi' ); |
| 3085 | } |
| 3086 | |
| 3087 | return apply_filters('iis7_supports_permalinks', $supports_permalinks); |
| 3088 | } |
| 3089 | |
| 3090 | /** |
| 3091 | * File validates against allowed set of defined rules. |
| 3092 | * |
| 3093 | * A return value of '1' means that the $file contains either '..' or './'. A |
| 3094 | * return value of '2' means that the $file contains ':' after the first |
| 3095 | * character. A return value of '3' means that the file is not in the allowed |
| 3096 | * files list. |