String Manipulation in PHP

Post on 07-Aug-2015

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Transcript of String Manipulation in PHP

PHP-Strings

A string is a sequence of characters, like "Hello world!".

We will take a look at some extended examples on PHP Strings.

What are strings?

What is the length of the following string: “Suraj is cool”?

At what index does “u” start? Write a program to find the number of words in the line.

Reverse the string “Hello world!”.

Example 1: String Manipulation.

The PHP strpos() function searches for a specific text within a string.

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

Strpos

The PHP str_replace() function replaces some characters with some other characters in a string.

Replace the “word” by “hello” in the following string.

“Test Word”

Replace text within a string