PHP Function Reference

PHP Function Reference



The PHP is very rich in terms of built-in functions. Here is the list of various important function categories. For more details about any one of these, please visit its page.

Affecting PHP's Behavior

Compression and Archive Extensions

Cryptography Extensions

Database Extensions

Date and Time Related Extensions

File System Related Extensions

Mail Related Extensions

Mathematical Extensions

Text Processing

Variable and Type Related Extensions

XML Manipulation

Other Basic Extensions

Other Services