PHP Examples

Created Friday 14 April 2017

MATH OPERATIONS

<!DOCTYPE html>
<head>
<title> Mathops </title>
</head>

<body>

<?php

$x = 20;
$y = 3;

$add = $x + $y;
$sub = $x - $y;
$mult = $x * $y;
$div =  $x / $y;
$mod = $x % $y;

echo "Stuff we can do with VARIABLES. <br>";
echo "x is $x, y is $y<br>";
echo "add ".$add;
echo "<br>";
echo "subtract ".$sub;
echo "<br>";
echo "multiply ".$mult;
echo "<br>";
echo "divide ".$div;
echo "<br>";
echo "modulus ".$mod;
echo "<br>";




?>
</body>
</html>

CONDITIONALS

IF

<!DOCTYPE html>
<head>
<title> CONDITIONALS </title>
</head>

<body>

<?php

$value = 12;

	if ( $value < 12 )
	{
		echo "Value is less than 12!!!";
	}
	else
	{
		echo "Value is not less than 12.";
	}


?>
</body>
</html>

IF/ELSE

<!DOCTYPE html>
<head>
<title> CONDITIONALS </title>
</head>

<body>

<?php

$age = 65;

$playground_minimum_age = 5;
$playground_maximum_age = 13;

if ($age < $playground_minimum_age)
	echo "You are too young for the playground. Go away.";
elseif ($age > $playground_maximum_age)
	echo "You are too old. Weirdo.";
else
	echo "Come on in!";


?>
</body>
</html>

WHILE

<!DOCTYPE html>
<head>
<title> CONDITIONALS </title>
</head>

<body>

<?php



$count = 10;

while ($count < 15)
{
	echo "<br> Count is now $count </br";
	$count++;
}

?>
</body>
</html>

FOR

<!DOCTYPE html>
<head>
<title> CONDITIONALS </title>
</head>

<body>

<?php

echo "<ol>";

for ($i = 1; $i <= 15; $i++)
{
	echo "<li> We are LOOPING! on count $i </li>";
}

echo "</ol>";

?>
</body>
</html>

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