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preload.php
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preload.php
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<?php
/**
* MIT License
*
* Copyright (c) 2020 DW Web-Engineering
*
* 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.
*/
use Doctrine\Persistence\ObjectManagerAware;
use Doctrine\Persistence\PropertyChangedListener;
/**
* Class Preloader ~/~ AN EXPERIMENT!!! ~/~
*
* @inheritDoc
* For preloading to work, you have to tell the server which files to load.
* To activate preloading you have to add the following line in php.ini:
* 'opcache.preload=/var/www/htdocs/project/preload.php'
* We're now able to preload/load the whole framework
* @author https://stitcher.io/blog/preloading-in-php-74
* @todo Keep working on it...
*/
class Preloader
{
/**
* @var array
*/
private array $ignores = [];
/**
* @var int
*/
private static int $count = 0;
/**
* @var array|string[]
*/
private array $paths;
/**
* @var array
*/
private array $fileMap;
/**
* Preloader constructor.
* @param string ...$paths
*/
public function __construct(...$paths)
{
$this->paths = $paths;
$classMap = require __DIR__ . '/vendor/composer/autoload_classmap.php';
$this->fileMap = array_flip($classMap);
}
/**
* @param string ...$paths
* @return Preloader
*/
public function paths(...$paths): Preloader
{
$this->paths = array_merge(
$this->paths,
$paths
);
return $this;
}
/**
* @param string ...$names
* @return Preloader
*/
public function ignore(...$names): Preloader
{
$this->ignores = array_merge(
$this->ignores,
$names
);
return $this;
}
/**
*
*/
public function load(): void
{
foreach ($this->paths as $path) {
$this->loadPath(rtrim($path, '/'));
}
$count = self::$count;
echo "[Preloader] Preloaded {$count} classes" . PHP_EOL;
}
/**
* @param string $path
*/
private function loadPath(string $path): void
{
if (is_dir($path)) {
$this->loadDir($path);
return;
}
$this->loadFile($path);
}
/**
* @param string $path
*/
private function loadDir(string $path): void
{
$handle = opendir($path);
while ($file = readdir($handle)) {
if (in_array($file, ['.', '..'])) {
continue;
}
$this->loadPath("{$path}/{$file}");
}
closedir($handle);
}
/**
* @param string $path
*/
private function loadFile(string $path): void
{
$class = $this->fileMap[$path] ?? null;
if ($this->shouldIgnore($class)) {
return;
}
require_once($path);
self::$count++;
echo "[Preloader] Preloaded `{$class}`" . PHP_EOL;
}
/**
* @param string|null $name
* @return bool
*/
private function shouldIgnore(?string $name): bool
{
if ($name === null) {
return true;
}
foreach ($this->ignores as $ignore) {
if (strpos($name, $ignore) === 0) {
return true;
}
}
return false;
}
}
(new Preloader(__DIR__ . "/system/Controllers"))->load();