Skillselion vs PHP Checker
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Skillselion compared with PHP Checker
| Detail | 
Skillselion | 
PHP Checker |
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| What it does | Directory of Claude Code skills, MCP servers and marketplaces ranked by real installs
| Free tools to check PHP versions and test code compatibility across versions 7.4 to 8.5
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | US
| Not given
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| Pricing model | Not given
| Free
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| Pricing | Browsing the catalog, using the public catalog API, and accessing research datasets marked CC BY are all free. No paid plans or subscription charges.
| Not given
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| Key features | - Daily catalog updates from live registries
- Daily install count snapshots
- Automatic removal of dead repositories
- Open datasets with CC BY licensing
- Dated, frozen research censuses
- Public catalog API without API keys
- MCP protocol integration
| - 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
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| What makes it different | - Ranked by actual adoption metrics, not paid placements
- Independent from tool makers
- Comprehensive ecosystem measurement through research
- Automatic quality gates and duplicate consolidation
- All statistics attributed and dated with no invented figures
| - 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
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| Free plan | Not given
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| Open source | Not given
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| Platforms | 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) | 35 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 21 | 0 |
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| Citation Flow (Majestic) | 43 | 0 |
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| Referring domains (Majestic) | 187 | 0 |
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3 details filled in for both companies.
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