julienmonnerie/kirby/src/Http/Params.php
2022-06-17 17:51:59 +02:00

158 lines
3.8 KiB
PHP

<?php
namespace Kirby\Http;
use Kirby\Toolkit\Str;
/**
* A wrapper around a URL params
* that converts it into a Kirby Obj for easier
* access of each param.
*
* @package Kirby Http
* @author Bastian Allgeier <bastian@getkirby.com>
* @link https://getkirby.com
* @copyright Bastian Allgeier
* @license https://opensource.org/licenses/MIT
*/
class Params extends Query
{
/**
* @var null|string
*/
public static $separator;
/**
* Creates a new params object
*
* @param array|string $params
*/
public function __construct($params)
{
if (is_string($params) === true) {
$params = static::extract($params)['params'];
}
parent::__construct($params ?? []);
}
/**
* Extract the params from a string or array
*
* @param string|array|null $path
* @return array
*/
public static function extract($path = null): array
{
if (empty($path) === true) {
return [
'path' => null,
'params' => null,
'slash' => false
];
}
$slash = false;
if (is_string($path) === true) {
$slash = substr($path, -1, 1) === '/';
$path = Str::split($path, '/');
}
if (is_array($path) === true) {
$params = [];
$separator = static::separator();
foreach ($path as $index => $p) {
if (strpos($p, $separator) === false) {
continue;
}
$paramParts = Str::split($p, $separator);
$paramKey = $paramParts[0] ?? null;
$paramValue = $paramParts[1] ?? null;
if ($paramKey !== null) {
$params[$paramKey] = $paramValue;
}
unset($path[$index]);
}
return [
'path' => $path,
'params' => $params,
'slash' => $slash
];
}
return [
'path' => null,
'params' => null,
'slash' => false
];
}
/**
* Returns the param separator according
* to the operating system.
*
* Unix = ':'
* Windows = ';'
*
* @return string
*/
public static function separator(): string
{
if (static::$separator !== null) {
return static::$separator;
}
if (DIRECTORY_SEPARATOR === '/') {
return static::$separator = ':';
} else {
return static::$separator = ';';
}
}
/**
* Converts the params object to a params string
* which can then be used in the URL builder again
*
* @param bool $leadingSlash
* @param bool $trailingSlash
* @return string|null
*
* @todo The argument $leadingSlash is incompatible with
* Query::toString($questionMark = false); the Query class
* should be extracted into a common parent class for both
* Query and Params
* @psalm-suppress ParamNameMismatch
*/
public function toString($leadingSlash = false, $trailingSlash = false): string
{
if ($this->isEmpty() === true) {
return '';
}
$params = [];
$separator = static::separator();
foreach ($this as $key => $value) {
if ($value !== null && $value !== '') {
$params[] = $key . $separator . $value;
}
}
if (empty($params) === true) {
return '';
}
$params = implode('/', $params);
$leadingSlash = $leadingSlash === true ? '/' : null;
$trailingSlash = $trailingSlash === true ? '/' : null;
return $leadingSlash . $params . $trailingSlash;
}
}