Site icon T4Tutorials.com

PHP Program to find Positive Negative Numbers

Positive and Negative Number program in PHP

<?php
$number=4;
echo "Enter any number: ";
echo $number;
echo "<br>";
if($number<0)
{
echo "Number is negative";
}
else
{
echo "Number is positive";
}
?>

Positive and Negative Number program in PHP with form values entered by the user

<form method="post">  
    input number : <br> 
    <input type="number" name="num" /><br><br>    
    <input  type="submit" name="submit" value="check number is +ive or -ive ">  
    </form>
    <?php  
    if(isset($_POST['submit'])) 
    {
        $number = $_POST['num'];

echo $number; 
echo "<br>";
if($number<0)
{
echo "Number is negative";
}
else
{
echo "Number is positive";
}
}
?>

Positive and Negative Number program in PHP with database

<?php
// Create connection
$conn = new mysqli('localhost', 'root', '', 't4tutorials.com');

// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}
echo "Connected To database successfully <br><br>";
?>
<form method="post">  
    input number : <br> 
    <input type="number" name="num" /><br><br>    
    <input  type="submit" name="submit" value="check number is +ive or -ive ">  
    </form>
    <?php  
    if(isset($_POST['submit'])) 
    {
        $number = $_POST['num'];

echo $number; 
echo "<br>";
if($number<0)
{
$h = " negative";
echo $h;
}
else
{
$h = " positive";
echo $h;
}
 $sql = "INSERT INTO `tableh` (`Number`, `+ive / -ive`) VALUES ('$number', '$h')";
        if ($conn->query($sql) === TRUE) {
          echo "<br> Record Added successfully";
        } else {
          echo "Error: " . $sql . "<br>" . $conn->error;
        }
}
?>
Positive and Negative Number program in PHP with database
Positive and Negative Number program in PHP with database

PHP Program to Separate Positive & Negative Numbers

<?php 

$myarr = array(12,-14,-59,90,100);

//now loop through the array and separate
foreach($myarr as $num){
   if($num > 0){
      $positive[] = $num;
   }else{
      $negative[] = $num;
   }
}

//print both positive and negative array values
print_r($positive);
print_r($negative);

?>

Output

Array ( [0] => 12 [1] => 90 [2] => 100 )

Array ( [0] => -14 [1] => -59 )

PHP Program to Separate Positive & Negative Numbers with form

<html>
<head>
<title>Separate Positive &amp; Negative numbers in an Array in PHP</title>
</head>
<body>
	
	<h3>PHP Program to Separate Positive &amp; Negative </h3>
	Enter the Numbers separated by Commas <br />
	(eg: 12,-23,56,-14,-25,10)
	<br /><br />
	<form method="post">
		<input type="text" name="numbers"/>
		<button type="submit">Separate</button>
	</form>
</body>
</html>

<?php 
	
	if($_POST)
	{
		//get the post value from form
		$numbers = $_POST['numbers'];
		
		if($numbers != ''){
			//separate the numbers and make into array
			$numArray = explode(',', $numbers);
			
			//now this array has both positive and negative integers
			//let's separate it
			foreach($numArray as $num){
				if($num > 0){
					$positiveArr[] = $num;
				}else{
					$negativeArr[] = $num;
				}
			}

			print "Positive Values: ". print_r($positiveArr,true)."<br>";
			print "Negative Values: ". print_r($negativeArr,true);
		}
	}

?>

Output

PHP Program to Separate Positive & Negative Numbers

Enter the Numbers separated by Commas
(eg: 12,-23,56,-14,-25,10)

 

Positive Values: Array ( [0] => 2 [1] => 8 [2] => 9 )
Negative Values: Array ( [0] => -1 [1] => -7 )

Exit mobile version