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<?php |
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namespace Redaxscript; |
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use function header; |
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use function header_remove; |
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use function headers_list; |
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use function headers_sent; |
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use function http_response_code; |
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/** |
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* children class to add and remove the header |
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* |
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* @since 3.3.0 |
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* |
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* @package Redaxscript |
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* @category Header |
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* @author Henry Ruhs |
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*/ |
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class Header |
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{ |
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/** |
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* init the class |
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* |
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* @since 3.3.0 |
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*/ |
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public static function init() : void |
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{ |
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self::add( |
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[ |
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'X-Content-Type-Options: nosniff', |
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'X-Frame-Options: sameorigin', |
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'X-XSS-Protection: 1; mode=block' |
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]); |
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self::remove('X-Powered-By'); |
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} |
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/** |
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* get the header array |
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* |
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* @since 3.3.0 |
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* |
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* @return array |
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*/ |
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public static function getArray() : array |
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{ |
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return headers_list(); |
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} |
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/** |
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* add the header |
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* |
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* @since 3.3.0 |
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* |
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* @param string|array $header |
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* @param bool $replace |
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* |
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* @return bool |
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*/ |
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public static function add($header = null, bool $replace = true) : bool |
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{ |
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if (!self::isSent()) |
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{ |
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foreach ((array)$header as $value) |
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{ |
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header($value, $replace); |
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} |
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return true; |
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} |
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return false; |
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} |
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/** |
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* remove the header |
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* |
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* @since 3.3.0 |
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* |
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* @param string|array $header |
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* |
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* @return bool |
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*/ |
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public static function remove($header = null) : bool |
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{ |
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if (!self::isSent()) |
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{ |
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foreach ((array)$header as $value) |
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{ |
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header_remove($value); |
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} |
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return true; |
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} |
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return false; |
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} |
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/** |
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* is header sent |
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* |
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* @since 3.3.0 |
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* |
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* @return bool |
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*/ |
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public static function isSent() : bool |
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{ |
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return headers_sent(); |
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} |
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/** |
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* response code |
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* |
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* @since 4.0.0 |
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* |
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* @param int $code |
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* |
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* @return int |
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*/ |
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public static function responseCode(int $code = null) : int |
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{ |
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return http_response_code($code); |
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} |
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/** |
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* redirect to location |
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* |
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* @since 3.3.0 |
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* |
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* @param string $location |
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* |
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* @return bool |
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*/ |
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public static function doRedirect(string $location = null) : bool |
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{ |
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return self::add('Location: ' . $location); |
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} |
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/** |
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* content type |
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* |
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* @since 3.3.0 |
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* |
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* @param string $type |
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* |
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* @return bool |
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*/ |
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public static function contentType(string $type = null) : bool |
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{ |
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return self::add('Content-Type: ' . $type); |
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} |
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} |
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Let’s assume that you have a directory layout like this:
and let’s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: