PHP & JavaScript File Compressor - Creates tar.gz backup of all PHP and JS files

backup-php-js.php

<?php
/**
 * PHP & JavaScript File Compressor
 * 
 * Recursively finds and compresses all PHP and JavaScript files
 * from the parent directory into a tar.gz archive.
 * 
 * Features:
 * - Recursive file discovery
 * - Secure error reporting
 * - Memory and execution time optimization
 * - Comprehensive logging
 * - Cross-platform compatibility
 * 
 * @author miztizm
 * @version 2.0
 */

// ============================================
// CONFIGURATION
// ============================================

// Set execution environment
ini_set('max_execution_time', '0');           // No timeout
ini_set('memory_limit', '1024M');             // 1GB memory
ini_set('display_errors', 1);                 // Show errors
ini_set('display_startup_errors', 1);         // Show startup errors
error_reporting(E_ALL);                       // Report all errors

// Define constants
define('BASE_PATH', dirname(__FILE__));
define('PARENT_PATH', dirname(BASE_PATH));
define('ARCHIVE_NAME', 'php-js-' . date('Y-m-d_H-i-s') . '.tar.gz');
define('ARCHIVE_PATH', BASE_PATH . DIRECTORY_SEPARATOR . ARCHIVE_NAME);

// ============================================
// HELPER FUNCTIONS
// ============================================

/**
 * Log messages to file and display
 * 
 * @param string $message The message to log
 * @param string $level The log level (INFO, WARNING, ERROR, SUCCESS)
 */
function logMessage($message, $level = 'INFO') {
    $timestamp = date('Y-m-d H:i:s');
    $logEntry = "[{$timestamp}] [{$level}] {$message}\n";
    
    // Display in browser
    echo htmlspecialchars($logEntry);
    
    // Log to file
    $logFile = BASE_PATH . DIRECTORY_SEPARATOR . 'compress.log';
    file_put_contents($logFile, $logEntry, FILE_APPEND);
}

/**
 * Check if command exists on the system
 * 
 * @param string $command The command to check
 * @return bool True if command exists
 */
function commandExists($command) {
    $checkCommand = (PHP_OS_FAMILY === 'Windows') 
        ? "where {$command}" 
        : "which {$command}";
    
    $result = shell_exec($checkCommand . ' 2>/dev/null');
    return !empty($result);
}

/**
 * Format bytes to human-readable size
 * 
 * @param int $bytes The number of bytes
 * @return string Formatted size
 */
function formatBytes($bytes) {
    $units = ['B', 'KB', 'MB', 'GB'];
    $bytes = max($bytes, 0);
    $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
    $pow = min($pow, count($units) - 1);
    $bytes /= (1 << (10 * $pow));
    
    return round($bytes, 2) . ' ' . $units[$pow];
}

// ============================================
// MAIN COMPRESSION LOGIC
// ============================================

try {
    logMessage('Starting PHP & JS file compression...', 'INFO');
    
    // Check if tar command exists
    if (!commandExists('tar')) {
        throw new Exception('tar command not found on system');
    }
    
    logMessage('Scanning for PHP and JS files in: ' . PARENT_PATH, 'INFO');
    
    // Build find command with proper escaping
    $findCommand = sprintf(
        'find %s -type f \( -name "*.php" -o -name "*.js" \) 2>/dev/null',
        escapeshellarg(PARENT_PATH)
    );
    
    // Execute find command and pipe to tar
    $tarCommand = sprintf(
        '%s | tar -czf %s -T - 2>&1',
        $findCommand,
        escapeshellarg(ARCHIVE_PATH)
    );
    
    logMessage('Executing compression command...', 'INFO');
    $output = [];
    $returnCode = 0;
    
    exec($tarCommand, $output, $returnCode);
    
    // Check if compression was successful
    if ($returnCode !== 0 && !file_exists(ARCHIVE_PATH)) {
        throw new Exception('Compression failed with return code: ' . $returnCode);
    }
    
    // Check archive was created
    if (!file_exists(ARCHIVE_PATH)) {
        throw new Exception('Archive file was not created');
    }
    
    // Get archive statistics
    $archiveSize = filesize(ARCHIVE_PATH);
    $archiveSizeFormatted = formatBytes($archiveSize);
    
    logMessage('Archive created successfully: ' . ARCHIVE_NAME, 'SUCCESS');
    logMessage('Archive size: ' . $archiveSizeFormatted, 'INFO');
    logMessage('Archive path: ' . ARCHIVE_PATH, 'INFO');
    
    // Count files in archive
    $listCommand = sprintf('tar -tzf %s 2>/dev/null | wc -l', escapeshellarg(ARCHIVE_PATH));
    $fileCount = trim(shell_exec($listCommand));
    
    logMessage('Files compressed: ' . $fileCount, 'SUCCESS');
    logMessage('Compression completed successfully!', 'SUCCESS');
    
    // Display download link
    echo "\n" . str_repeat('=', 50) . "\n";
    echo "✓ COMPRESSION SUCCESSFUL\n";
    echo str_repeat('=', 50) . "\n";
    echo "Archive: " . ARCHIVE_NAME . "\n";
    echo "Size: " . $archiveSizeFormatted . "\n";
    echo "Files: " . $fileCount . "\n";
    echo str_repeat('=', 50) . "\n";
    
} catch (Exception $e) {
    logMessage('ERROR: ' . $e->getMessage(), 'ERROR');
    echo "\n❌ COMPRESSION FAILED\n";
    echo "Error: " . htmlspecialchars($e->getMessage()) . "\n";
    exit(1);
}

// ============================================
// SYSTEM INFO (OPTIONAL)
// ============================================

echo "\n" . str_repeat('=', 50) . "\n";
echo "PHP SYSTEM INFORMATION\n";
echo str_repeat('=', 50) . "\n";
echo "PHP Version: " . phpversion() . "\n";
echo "OS: " . php_uname() . "\n";
echo "Memory Limit: " . ini_get('memory_limit') . "\n";
echo "Max Execution Time: " . ini_get('max_execution_time') . " seconds\n";
echo "Base Path: " . BASE_PATH . "\n";
echo str_repeat('=', 50) . "\n";

// Uncomment for full phpinfo():
// phpinfo();
?>