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PHP syntax checker

Validate PHP code syntax instantly. Upload files or paste code to detect errors and get detailed feedback.

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15,168+
Total Calculations Run
< 15ms
Browser Execution Speed
100%
Client-Side Privacy
4.9 / 5.0
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About This Tool

The PHP Syntax Checker is a comprehensive tool that validates PHP code for syntax errors, warnings, and best practice violations. It uses PHP's built-in token_get_all() function to perform accurate syntax analysis without executing the code. The tool supports both file upload (.php files) and direct code input, providing detailed line-by-line feedback with error types, messages, and suggestions for fixes. Perfect for developers, students, and anyone working with PHP code who needs to ensure their syntax is correct before deployment.
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How to Use

  1. Choose input method: Upload a .php file or paste code directly
  2. Click 'Check PHP Syntax' button to validate
  3. View results showing errors, warnings, and line numbers
  4. Fix issues based on the detailed feedback
  5. Re-validate until all syntax errors are resolved
How to use checker php

Frequently Asked Questions

Find Quick Answers

Does this tool execute my PHP code?
No, the tool only checks syntax using PHP's tokenizer. Your code is never executed, ensuring security.
What PHP versions does this support?
The tool checks syntax compatible with PHP 7.0 and above, including PHP 8.x features.
Can I check large PHP files?
Yes, but very large files may take longer to process. The tool handles files up to 10MB efficiently.
Does it check for coding standards?
The tool focuses on syntax errors. For coding standards (PSR, etc.), use dedicated linters.

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