String,Strings Function and Operation on String

String: String is a sequence of Characters.

Strings Functions:

1. strlen();  --Returns the length of the String.

Strlen() Function source code

Length of "Hello World!".

2. strpos(); --Return the position of Substring or Second string in First String else return false.

strpos() string position function

output of the function

3. strrev(); --Reverse the entered String.

Reverse the string strrev() source code

Output of original string along with revered string

4. str_word_count(); --Return the Worlds in String Space Separated.

str_word_count() return the output total number of word in string.

output of the above code.

5. str_replace(); --Function replace the first parameter,with second from third String.

    

Source Code of str_replace()

output of above code.

              

© 2015 Rajendra Kumar Yadav Learn Computer Tricks and Programming & Learn PHP