I'm writing a simple project using SymfonyConsole package, but I got class not found exception:
PHP Fatal error: Uncaught Error: Class 'Project\ExtractLinkCommand' not found in /home/PhpstormProjects/RVLE/RVLE.php:9
Stack trace:
#0 {main}
thrown in /home/PhpstormProjects/RVLE/RVLE.php on line 9
I can't find what the problem, somebody says autoloader is not standard and you should write it your own. I also updated composer and ran composer dump-autoload
.
Here are my files ->
RVLE.php :
#!/usr/bin/env php
<?php
require 'vendor/autoload.php';
use Project\ExtractLinkCommand;
use Symfony\Component\Console\Application;
$app = new Application('RVLE' , '1.0');
$app->add(new ExtractLinkCommand());
$app->run();
extractCommand.php :
<?php namespace Project;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class ExtractLinkCommand extends Command
{
public function configure()
{
$this->setName('getLinks')
->setDescription('extract all available video links for given page url')
->addArgument('url', InputArgument::REQUIRED, 'page link');
}
public function execute(InputInterface $input, OutputInterface $output)
{
$url = $input->getArgument('url');
$output->writeln($url);
}
}
composer.json :
{
"require": {
"symfony/console": "^3.3"
},
"autoload": {
"psr-4": {
"Project\\": "src/"
}
}
}
This is my project structure:
.
├── composer.json
├── composer.lock
├── RVLE.php
├── src
│ └── extractCommand.php
└── vendor
├── autoload.php
├── bin
├── composer
├── psr
└── symfony
我认为您需要将文件名与类名进行ExtractLinkCommand.php
,因此它应该是ExtractLinkCommand.php
,否则作曲家自动加载器将找不到它。
PSR-4 only works with namespaces. It removed the namespace prefix given in composer.json from the full class name, and the remainder is converted into a path, ".php" added at the end, and searched in the path given. A class myNamespace\\myClass and "psr-4":{"myNamespace\\": "src"} will try to load src/myClass.php
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