String functions in php

Php string functions:

                           There are many strings functions in php but discuss some common with example that is use frequently in php.

      1.explode() function
2.bin2hex()Function
3.implode()Function
4.ltrim() Function
5.md5() Function
6.str_ireplace()Function
7.str_repeat()Function
8.str_split()Function
9.strcmp()Function 
10.strlen()Function
11.strtolower()Function
12.strtoupper()Function
13.lcfirst()Function
14.ucfirst()Function
15. ucwords() Function