Why This Is the Best Online PHP Formatter
- Full PSR-12 & PHP 8.2+ support: attributes, readonly, match, fn()
- Float precision preserved: 9.99 stays 9.99 (not 9.9)
- Trailing whitespace, tabs, and legacy syntax cleaned automatically
- One-click formatting with live preview and undo
- Advanced options: tab width, single quotes, trailing commas
- 100% client-side: your code never leaves your browser
- Lightning-fast: powered by Prettier + @prettier/plugin-php
🔧 How to Beautify PHP Code in 4 Steps for php-beautifier
1. Paste Your PHP Code
📥 Copy and paste your messy, unformatted, or legacy PHP code into the editor. Supports PHP 7.0 to 8.2+.
2. Adjust Formatting Options
⚙️ Choose tab width, quote style, print width, and float precision. We recommend 4 spaces, single quotes, and 2-decimal float preservation for financial apps.
3. Click 'Format'
🚀 Hit the button and watch your code transform into clean, readable, PSR-12-compliant PHP — instantly, with no lag.
4. Copy or Download
📤 Copy the formatted code to clipboard or download as a `.php` file. Ready to commit, share, or deploy.
Technical Specifications
Standards & Syntax Support
Applies PSR-12 formatting with deep support for modern PHP syntax and semantic precision.
| Feature | Supported | Notes |
|---|---|---|
| PSR-12 | ✔️ Yes | Full compliance with PHP-FIG standard |
| PHP 8.2+ | ✔️ Yes | Attributes, readonly classes, match, fn() |
| Float Precision | ✔️ Yes | Preserves 2.50, 0.00, etc. (configurable) |
| Heredoc / Nowdoc | ✔️ Yes | Correctly indented and preserved |
| Anonymous Classes | ✔️ Yes | With constructor promotion |
| Trailing Commas | ⚠️ Optional | ES5 or 'all' based on PHP version |
Cleanup & Safety Rules
Automatically fixes common issues that break consistency or cause bugs.
| Rule | Effect |
|---|---|
| Fix .08 → 0.08 | Improves readability and avoids confusion |
| Fix 09.99 → 9.99 | Removes invalid octal-like floats |
| Remove trailing whitespace | Prevents git diff noise |
| Omit closing ?> | Avoids output buffer issues |
| Normalize indent to 4 spaces | PSR-12 compliant |
Output Format
Always outputs clean, valid PHP using UTF-8 encoding and Unix LF line endings. No server calls — 100% client-side processing.
Use PHP-CS-Fixer or Prettier Locally
Prefer command-line tools? Here’s how to replicate this formatter locally:
Universal
Install Prettier with PHP plugin
npm install -g prettier @prettier/plugin-phpAdds PHP support to Prettier CLI
Format a file with PSR-12 style
prettier --write myfile.php --parser php --tab-width 4 --single-quoteMatches the online tool’s default settings
Use with float precision (custom script)
node format-php.js myfile.phpWrap with placeholder logic for float preservation
Who Uses This PHP Beautifier?
Development Teams
- Enforce consistent style across Laravel, Symfony, or WordPress projects
- Onboard new devs with a shared formatting standard
- Clean legacy code before refactoring
// Before: messy constructor\npublic function __construct(\$id, \$n, \$p = 0.00){\n\t\$this->id=\$id;}// After: clean, readable, promoted\npublic function __construct(private int \$id, private string \$name, private float \$price = 0.00) {}Code Reviews & Learning
- Show students how PSR-12 improves readability
- Compare before/after in PRs to highlight style fixes
- Clean user-submitted code safely (e.g., tutorials, forums)
return match(\$x){1=>\$a,2=>\$b,default=>throw new \\\\Exception};return match (\$x) {\n 1 => \$a,\n 2 => \$b,\n default => throw new \\\\Exception\n};❓ Frequently Asked Questions
❓Does this tool support PHP 8.2 features like readonly and attributes?
🔒Is my code sent to your servers?
🧮Why does 2.50 stay 2.50 instead of becoming 2.5?
🚫Why remove the closing ?> tag?
HTTP headers.⚡How fast is the formatting?
Pro Tips
Use 'floatPrecision: 2' for e-commerce, APIs, and financial apps to preserve prices like 19.99.
Combine with a Git pre-commit hook to auto-format code before every push.
Use the formatter to teach junior devs: paste messy code and show the cleaned version side-by-side.
Never commit code with trailing commas in PHP <7.2 — our tool disables them automatically.
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