paulgoughbooks_old
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paulgoughbooks_old / trunk / system / HTTP / Header.php
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<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014-2019 British Columbia Institute of Technology * Copyright (c) 2019-2020 CodeIgniter Foundation * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @package CodeIgniter * @author CodeIgniter Dev Team * @copyright 2019-2020 CodeIgniter Foundation * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 4.0.0 * @filesource */ namespace CodeIgniter\HTTP; /** * Class Header * * Represents a single HTTP header. * * @package CodeIgniter\HTTP */ class Header { /** * The name of the header. * * @var string */ protected $name; /** * The value of the header. May have more than one * value. If so, will be an array of strings. * * @var string|array */ protected $value; //-------------------------------------------------------------------- /** * Header constructor. name is mandatory, if a value is provided, it will be set. * * @param string $name * @param string|array|null $value */ public function __construct(string $name, $value = null) { $this->name = $name; $this->value = $value; } //-------------------------------------------------------------------- /** * Returns the name of the header, in the same case it was set. * * @return string */ public function getName(): string { return $this->name; } //-------------------------------------------------------------------- /** * Gets the raw value of the header. This may return either a string * of an array, depending on whether the header has multiple values or not. * * @return array|null|string */ public function getValue() { return $this->value; } //-------------------------------------------------------------------- /** * Sets the name of the header, overwriting any previous value. * * @param string $name * * @return $this */ public function setName(string $name) { $this->name = $name; return $this; } //-------------------------------------------------------------------- /** * Sets the value of the header, overwriting any previous value(s). * * @param null $value * * @return $this */ public function setValue($value = null) { $this->value = $value; return $this; } //-------------------------------------------------------------------- /** * Appends a value to the list of values for this header. If the * header is a single value string, it will be converted to an array. * * @param null $value * * @return $this */ public function appendValue($value = null) { if (! is_array($this->value)) { $this->value = [$this->value]; } $this->value[] = $value; return $this; } //-------------------------------------------------------------------- /** * Prepends a value to the list of values for this header. If the * header is a single value string, it will be converted to an array. * * @param null $value * * @return $this */ public function prependValue($value = null) { if (! is_array($this->value)) { $this->value = [$this->value]; } array_unshift($this->value, $value); return $this; } //-------------------------------------------------------------------- /** * Retrieves a comma-separated string of the values for a single header. * * NOTE: Not all header values may be appropriately represented using * comma concatenation. For such headers, use getHeader() instead * and supply your own delimiter when concatenating. * * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2 */ public function getValueLine(): string { if (is_string($this->value)) { return $this->value; } else if (! is_array($this->value)) { return ''; } $options = []; foreach ($this->value as $key => $value) { if (is_string($key) && ! is_array($value)) { $options[] = $key . '=' . $value; } else if (is_array($value)) { $key = key($value); $options[] = $key . '=' . $value[$key]; } else if (is_numeric($key)) { $options[] = $value; } } return implode(', ', $options); } //-------------------------------------------------------------------- /** * Returns a representation of the entire header string, including * the header name and all values converted to the proper format. * * @return string */ public function __toString(): string { return $this->name . ': ' . $this->getValueLine(); } //-------------------------------------------------------------------- } |
Commits for paulgoughbooks_old/trunk/system/HTTP/Header.php
Revision | Author | Commited | Message |
---|---|---|---|
2 | tporter | Tue 03 Nov, 2020 08:50:21 +0000 | Migration of Paul Goughs Books site to Codeignitor 4 |