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<?php |
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/** |
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* Quantum PHP Framework |
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* |
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* An open source software development framework for PHP |
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* |
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* @package Quantum |
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* @author Arman Ag. <[email protected]> |
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* @copyright Copyright (c) 2018 Softberg LLC (https://softberg.org) |
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* @link http://quantum.softberg.org/ |
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* @since 2.4.0 |
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*/ |
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namespace Quantum\Http\Request; |
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/** |
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* Trait Header |
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* @package Quantum\Http\Request |
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*/ |
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trait Header |
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{ |
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/** |
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* Request headers |
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* @var array |
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*/ |
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private static $__headers = []; |
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/** |
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* Checks the request header existence by given key |
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* @param string $key |
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* @return bool |
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*/ |
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public static function hasHeader(string $key): bool |
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{ |
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list($keyWithHyphens, $keyWithUnderscores) = self::normalizeHeaderKey($key); |
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return isset(self::$__headers[$keyWithHyphens]) || isset(self::$__headers[$keyWithUnderscores]); |
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} |
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/** |
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* Gets the request header by given key |
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* @param string $key |
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* @return string|null |
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*/ |
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public static function getHeader(string $key): ?string |
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{ |
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list($keyWithHyphens, $keyWithUnderscores) = self::normalizeHeaderKey($key); |
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if (array_key_exists($keyWithHyphens, self::$__headers)) { |
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return self::$__headers[$keyWithHyphens]; |
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} elseif (array_key_exists($keyWithUnderscores, self::$__headers)) { |
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return self::$__headers[$keyWithUnderscores]; |
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} |
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return null; |
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} |
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/** |
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* Sets the request header |
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* @param string $key |
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* @param mixed $value |
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*/ |
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public static function setHeader(string $key, $value) |
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{ |
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self::$__headers[strtolower($key)] = $value; |
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} |
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/** |
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* Gets all request headers |
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* @return array |
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*/ |
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public static function allHeaders(): array |
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{ |
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return self::$__headers; |
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} |
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/** |
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* Deletes the header by given key |
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* @param string $key |
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*/ |
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public static function deleteHeader(string $key) |
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{ |
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if (self::hasHeader($key)) { |
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unset(self::$__headers[strtolower($key)]); |
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} |
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} |
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/** |
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* @param string $key |
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* @return array |
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*/ |
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private static function normalizeHeaderKey(string $key): array |
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{ |
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$keyWithHyphens = str_replace('_', '-', strtolower($key)); |
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$keyWithUnderscores = str_replace('-', '_', $key); |
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return [$keyWithHyphens, $keyWithUnderscores]; |
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} |
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} |
softberg /
quantum-php-core
