Write a program in php to check given number is even or odd

Write a program in php to check given number is even or odd

Answer:
<html>
<body>
<h3>Odd or Even PHP Example</h3>
<form action="" method="post">
<label>Enter a number</label>
<input type="text" name="number" />
<input type="submit" />
</form>
</body>
</html>
<?php 
if($_POST){
$number = $_POST['number']; 
//check if the enter value is a number or throw an error
if (!(is_numeric($number) && is_int(0+$number))){
echo "<p style='color:red;'>Error: You entered a string. Please enter an Integer</p>";
die();
}
//divide the entered number by 2 
//if the reminder is 0 then the number is even otherwise the number is odd
if(($number % 2) == 0){
echo "You entered an Even number";
}else{
echo "You entered an Odd number";
}
}
?>

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