$headers = array();
-foreach( $_SERVER as $key => $value ) {
-
- if ( substr( $key , 0 , 5 ) == "HTTP_" ) {
-
- $key = str_replace( "_" , "-" , substr( $key , 5) );
- $headers[ $key ] = $value;
+foreach( $_SERVER as $key => $value ) {
- }
-
-}
+ $key = str_replace( "_" , "-" , substr( $key , 0 , 5 ) == "HTTP_" ? substr( $key , 5 ) : $key );
+ $headers[ $key ] = $value;
+
+}
foreach( explode( "_" , $_GET[ "keys" ] ) as $key ) {
- echo "$key: " . $headers[ strtoupper( $key ) ] . "\n";
+ echo "$key: " . @$headers[ strtoupper( $key ) ] . "\n";
}