Example 1:
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body bgcolor="white">
<?php
echo "hello world</br>";
print "hi!how are you?";
?>
</body>
</html>
Example 2:
<html>
<head>
<script type="text/javascript">
$(document).ready(function(e){
$('#btnSubmit').click(function(){
var email = $('#txtEmail').val();
if ($.trim(email).length == 0) {
alert('Please Enter Valid Email Address');
return false;
}
if (validateEmail(email)) {
alert('Valid Email Address');
return false;
}
else {
alert('Invalid Email Address');
return false;
}});
});
</script>
</head> <body>
Email Address: <input type="text" id="txtEmail"/><br/>
<input type="submit" id="btnSubmit" Value="Submit" />
</body>
</html>
Example 3:
<html>
<body>
<form name="myform" action="welcome.php" method="post">
Name: <input type="text" name="name"><br>
E-mail: <input type="text" name="email"><br>
<input type="submit" name="submit">
</form>
</body>
</html>
Example 4:
<?php
if(isset($_POST['submit']))
{
$num1=$_POST['num1'];
$num2=$_POST['num2'];
$result=$num1+$num2;
echo "Sum of " .$num1. " and ".$num2. " is " .$result;
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Add two number</title>
</head>
<body>
<table>
<form name="add" action="#" method="post">
<tr>
<td>Number 1 :</td>
<td><input type="text" name="num1" required></td>
</tr>
<tr>
<td>Number 2 :</td>
<td><input type="text" name="num2" required></td>
</tr>
<tr>
<td></td>
<td><input type="submit" value="Add" name="submit" /></td>
</tr>
</form>
</table>
</body>
</html>
Example 5:
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body bgcolor="white">
<?php
echo "hello world</br>";
print "hi!how are you?";
$text1="hello";
$text2=10;
echo $text1;
echo $text2;
echo $text1 ." " .$text2;
echo $text1;
print($text1);
$bikes=array("yamaha","royal","honda","hero");
var_dump($bikes);
echo "array element 1:$bikes[0] $bikes[1]$bikes[2] </br>";
$x = "Hello world!";
$x = null;
var_dump($x);
echo "</br>";
$x = 5985;
var_dump($x);
$cars = array("Volvo","BMW","Toyota");
var_dump($cars);
echo "</br>";
$text="hello world";
$text=null;
echo $text;
var_dump($text);
echo "</br>";
$text2="xyz\"this is string\"pqr";
echo $text2;
echo "</br>";
echo strlen("php programming");
echo "</br>";
echo str_word_count("php programming language");
echo "</br>";
echo strrev("JAMES");
echo strpos("Hello world!", "world");
echo strpos("developer news","news");
$x = 5985;
var_dump(is_int($x));
$x = 1.9e411;
var_dump($x);
$x = acos(8);
var_dump($x);
echo "</br>";
// Cast float to int
$x = 23465.768;
$int_cast = (int)$x;
echo $int_cast;
echo "<br>";
// Cast string to int
$x = "23465.768";
$int_cast = (int)$x;
echo $int_cast;
echo "<br>";
echo(pi()); // returns 3.1415926535898
echo "<br>";
echo "<br>";
echo(rand(1000, 10000));
define("cars", [
"Alfa Romeo",
"BMW",
"Toyota"
]);
echo cars[0];
?>
</body>
</html>