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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 |
|---|---|
| 135 | } |
| 136 | |
| 137 | // Returns array with headers in $response[0] and body in $response[1] |
| 138 | function akismet_http_post($request, $host, $path, $port = 80, $ip=null) { |
| 139 | global $wp_version; |
| 140 | |
| 141 | $akismet_ua = "WordPress/{$wp_version} | "; |
| 142 | $akismet_ua .= 'Akismet/' . constant( 'AKISMET_VERSION' ); |
| 143 | |
| 144 | $akismet_ua = apply_filters( 'akismet_ua', $akismet_ua ); |
| 145 | |
| 146 | $content_length = strlen( $request ); |
| 147 | |
| 148 | $http_host = $host; |
| 149 | // use a specific IP if provided |
| 150 | // needed by akismet_check_server_connectivity() |
| 151 | if ( $ip && long2ip( ip2long( $ip ) ) ) { |
| 152 | $http_host = $ip; |
| 153 | } else { |