MokoCLI/validate/check_php_syntax.php

#!/usr/bin/env php
<?php

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 *
 * This file is part of a Moko Consulting project.
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * FILE INFORMATION
 * DEFGROUP: MokoCLI.Scripts.Validate
 * INGROUP: MokoCLI
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/mokocli
 * PATH: /validate/check_php_syntax.php
 * BRIEF: Validates PHP syntax for all tracked PHP files using php -l
 */

declare(strict_types=1);

require_once __DIR__ . '/../vendor/autoload.php';

use MokoCli\CliFramework;

/**
 * Runs `php -l` against all tracked *.php files and reports any syntax errors.
 */
class CheckPhpSyntax extends CliFramework
{
    /**
     * Configure available arguments.
     */
    protected function configure(): void
    {
        $this->setDescription('Validates PHP syntax for all tracked PHP files');
        $this->addArgument('--path', 'Repository path to check', '.');
    }

    /**
     * Check PHP syntax for all tracked PHP files.
     *
     * @return int  Exit code: 0 if all files pass, 1 if any syntax errors found.
     */
    protected function run(): int
    {
        $path   = $this->getArgument('--path');
        $output = shell_exec('git -C ' . escapeshellarg($path) . " ls-files '*.php' 2>/dev/null") ?? '';
        $files  = array_values(array_filter(explode("\n", $output)));
        $total  = count($files);
        $passed = 0;
        $errors = 0;

        $this->section('Checking PHP syntax');

        foreach ($files as $i => $file) {
            $this->progress($i + 1, $total, $file);
            $fullPath = $path . '/' . $file;
            if (!is_file($fullPath)) {
                continue;
            }
            $out  = [];
            $code = 0;
            exec('php -l ' . escapeshellarg($fullPath) . ' 2>&1', $out, $code);
            if ($code !== 0) {
                $this->progress($i + 1, $total, '', true);
                $detail = implode(' ', array_slice($out, 0, 1));
                $this->status(false, $file, $detail);
                $errors++;
            } else {
                $passed++;
            }
        }
        $this->progress($total, $total, '', true);

        $this->printSummary($passed, $errors, $this->elapsed());

        return $errors === 0 ? 0 : 1;
    }
}

$script = new CheckPhpSyntax('check_php_syntax', 'Validates PHP syntax for all tracked PHP files');
exit($script->execute());