Variable in PHP
Variable in PHP are like other programming, which are used for storing value in program.
Like other programing language, we don't have to defined data type of the variable.
For example, You can Defined string, Number etc in the variable. Just you have to write like below:
$myvar2 = 23; OR $myvar2 = "23"; OR $myvar2 = '23';
$myvar3 = 2.5; OR $myvar3 = "2.5"; OR $myvar3 = '2.5';
For display the above value use echo/ print function.
<?php echo $myvar1; ?>
For display the above value use echo/ print function.
<?php echo $myvar1; ?>
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PHP Code
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<html><head>
<title>Variable in PHP</title>
</head>
<body>
<?php
/*
variable is case sensative
variable start with a $ sign
followed by letters or underscore
they can contain letters, numbers, underscores or dashes
no spaces
they are case-sensitive
*/
$my_var = 10;
$_var="Its a variane";
$my_var_string ="Hello World!";
$My_Var_String="Hello World again!";
echo $my_var;
echo "<br/>";
echo $my_var_string;
echo "<br/>";
echo $My_Var_String;
?>
</body>
</html>
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