Introduction to PHP Programming
By PHP Catalyst
2007-11-19
Built-in Functions in PHP
Like any other programming language, PHP offers several built-in
function for day-to-day use in your coding. Most of these functions are
very helpful in achieving your programming goals and are well
documented.
Some (not even most) usage of built-in functions are as mentioned below:
- Converting a string of letters to uppercase and lowercase
- Displaying and using the date and time
- Initializing and closing a database connection
- Declaring and using an array
- Handling files
- Accessing data in forms
- Filesystem Functions
- Function to open FTP connections
- Email related functions
- Mathematical Functions
- MySQL specific functions
- URL Functions
Tutorial Pages:
»
What can I do with PHP?
»
Popoular Features of PHP
»
Basics of PHP
»
Variables in PHP
»
Data Types in PHP
»
Expressions and Operators
»
Control Structures in PHP
»
Functions in PHP
»
Declaring Functions in PHP
»
Scope of a Variable
» Built-in Functions in PHP
»
Handling Strings in PHP
»
Printing Strings in PHP
»
String Comparisons in PHP
»
Manipulating Strings in PHP
»
Arrays in PHP
»
Types of Arrays in PHP
»
Creating Arrays in PHP
»
Array Operations in PHP
