PHP - Function Reference PHP is very rich in terms of Buil-in functions. Here is the list of various important function categories. There are various other function categories which are not covered here.

PHP - Function Reference

PHP is very rich in terms of Buil-in functions. Here is the list of various important function categories. There are various other function categories which are not covered here.

Select a category to see a list of all the functions related to that category.

• PHP Array Functions
• PHP Calender Functions
• PHP Class/Object Functions
• PHP Character Functions
• PHP Date & Time Functions
• PHP Directory Functions
• PHP Error Handling Functions
• PHP File System Functions
• PHP MySQL Functions
• PHP Network Functions
• PHP ODBC Functions
• PHP String Functions
• PHP SimpleXML Functions
• PHP XML Parsing Functions