PHP Checker vs Darkbox
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
PHP Checker compared with Darkbox
| Detail | 
PHP Checker | 
Darkbox |
|---|
| What it does | Free tools to check PHP versions and test code compatibility across versions 7.4 to 8.5
| The post-apocalyptic file format
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| IT
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| Pricing model | Free
| Open source
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| Pricing | Not given
| Not given
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| Key features | - PHP Version Checker to detect website PHP versions via headers and markers
- Multi-version code compatibility checker testing 7.4 to 8.5
- PHP Sandbox running code in your browser with real PHP interpreters
- PHP Syntax Checker identifying parse errors and deprecated functions
- PHP EOL Dates calendar with support status for all versions
- Bcrypt Generator for password hashing
- phpinfo() Analyzer explaining server configuration
- PHP Date Format tester
- PHP Formatter for code formatting
- PHP Regex Tester for preg_match patterns
| - ZIP archives with SQLite databases and JSON manifest
- Offline verification and inspection without the original application
- SQLite integrity and foreign-key checks
- JSON reports for scripts and pipelines
- Application profiles with independent schemas and versions
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| What makes it different | - All code runs in your browser on WebAssembly, never uploaded to servers
- Completely free with no sign-up required
- Website checker works on any device including school machines without software installation
| - Format and application profile documentation included in every file
- Keeps work understandable and recoverable beyond the lifetime of the program
- No network connection required for verification and inspection
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 38 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 6 |
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| Citation Flow (Majestic) | 0 | 25 |
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| Referring domains (Majestic) | 0 | 16 |
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4 details filled in for both companies.
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