#php string function tutorial

A  string is sequence of characters, where a character is the same as a byte,hence php support 256 character set.

Split function, split the string function Tutorial into an array using regular expression and return the array.

Explode function , it is used to split a string using another sting.

PHP strlen() function:

The strlen() function is used to return the length of a string  in characters.

Let’s take a example to find the length of our string “Hello happy!”:

<?php

echo strlen(“Hello happy!”);?>

Output will be:

12

Note: The length of a string is  used in loop or other php string functions, when it is important to know when the string ends i.e. in a loop, we would want to stop the loop after the last character in the string.

PHP strpos() function:

The strpos() function is used to search for a string or specified characters within a string.

If a match is found, it will return the character position of the first match. If there is  no match is found, it will return FALSE.

Let’s take a example to find a string ” happy!”in our string:

<?php

;echo strlen(“Hello happy!”);

  ?>

Output will be:

6