A PHP 500 Internal Server Error means something went wrong on the server while processing your PHP script—but the server isn't giving you details by default. It’s a generic error, and usually indicates a syntax error, configuration issue, or permission problem in your PHP environment.
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🔠Common Causes of PHP 500 Errors
| Cause | Description |
|---|---|
| ⌠Syntax error | A missing semicolon, unmatched brackets, or typo in PHP code |
| 🔧 Incorrect permissions | Files should typically be 644, folders 755 |
| â“ Missing PHP module/extension | e.g., mysqli, mbstring not installed or loaded |
📜 Misconfigured .htaccess |
Invalid rules or PHP directives |
| 🗂 Wrong file path or include | Trying to include a file that doesn't exist |
â›” Faulty php.ini settings |
Misconfigured PHP settings |
| 🚫 Outdated PHP version | Using features unsupported in the server's PHP version |
