Enable Line Number in VIM editor

How to setup and use Tor Browser?

Connect to MySQL database using PHP

16 Break and Continue

15 foreach loop

14 do while loop

14 do while loop

13 While Loop

12 for Loop in PHP

11. switch case

10 Nested if else

9 0 if and else

8.0 Comparison Operator

7.0 Logical Operator

Conditional Operator in PHP

5.0 Assignment Operator in PHP

4.0 Arithmetic Operator

3.0 Constant in PHP

2.0 Syntax, Variable and Comments in PHP

String Operations in PHP

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Strings</title>
<style>
h3{
font-size: 25px;
color: lime;
font-size-adjust: true;
text-align: center;
text-shadow: 2px;
}
*{
color: skyblue;
font-size: 15px;
font-family: "Console";

}
</style>
</head>
<body bgcolor="gray">

<h3>String functions</h3>
<hr width="1024px"></hr>
<center>
<pre>
<?php
$str1="Welcome to tutorital of PHP";
$str2="Thanks for Visiting this Page!!";
//String function and their output..
echo "<h4><u> Original String is (i): {$str1} & (ii) is {$str2}.</u></h4>";
?>

<code>strtoupper():</code> <?php echo strtoupper($str1); ?><br />
<code>strtolower():</code> <?php echo strtolower($str1); ?><br />
<code>ucwords():</code> <?php echo ucwords($str1); ?> <br/>
<code>ucfirst():</code> <?php echo ucfirst($str1); ?><br />

/*---------------------------------------------------------*/

<code>strlen():</code> <?php echo strlen($str1); ?><br />
<code>strstr():</code> <?php echo strstr($str1,"to"); ?><br />
<code>strpos():</code> <?php echo strpos($str1,"to"); ?><br />
<code>strchr():</code> <?php echo strchr("$str1","to"); ?><br />
<code>trim():</code> <?php echo trim($str1." ".$str2);?><br />
</pre>
<hr width="1024px"></hr>
&copy; Rajendra Kumar Yadav , Learn PHP - 2015.
</center>
</body>
</html>

The output of the above string operations is in below picture..

Output of the Above Program under on Chrome

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