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PHP Manual
Official PHP documentation with function references, examples and user notes.
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- Added
- Oct 27, 2026
- Source
- php.net
The official PHP Manual documents every built-in function with examples, plus user-contributed notes that often solve real-world problems.
Why it is worth a bookmark
- Check a function's parameters and return values
- See which PHP version added or removed a feature
- Read installation and security guidance
Good to know
Shortcut: go to php.net/ followed by a function name, such as php.net/str_replace, to jump straight to its page.
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