User Defined functions
A function’s syntax is : function function_name($argument1, $argument2……$argumentn) { statement1; statement2; statementn; } A function […]
PHP Functions
Returning values
Values are returned by using the optional return statement. Any type may be returned, including […]
Passing by Reference
In PHP, the & symbol, when prefaced to a variable, tells the parser to pass […]
Returning Global Variables
You can also give a function access to an externally created variable by declaring it […]
Including and Requiring Files
As you progress in your use of PHP programming, you are likely to start building […]
str_replace() string replace php
Conside the following example for string replacement in php
ucwords in php
ucwords — Uppercase the first character of each word in a string. Example
Padding with 0 in Left
Sometimes there are situations where we want to pad 0 to our numbers, suppose one […]
substituting br with \n with nl2br
The nl2br() function inserts HTML line breaks (<br> or <br />) in front of each […]
PHP list all files in directory
In any directory there are many files and directories. In order to show them we […]
require_once () or die()
require_once() will include the file once in our program. This tells php that if a […]
Gathering information with HTTP_USER_AGENT
You can gather a lot of information about a person’s computer by using $_SERVER[‘HTTP_USER_AGENT’]. This […]
getting project path in php
When including php files, if the files are nested inside on and another file, certainly […]
Finding similarity in strings with similar_text
similar_text calculates the similarity between two strings implementing the World’s Best Algorithms by Oliver (ISBN […]
Getting String length in php with strlen
strlen() function is used to get string length. Syntax : int strlen(string $string) Returns the […]
Checking function definition using function_exists
function_exists() function_exists — Return TRUE if the given function has been defined Syntax Example Output