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<title>This my fourth PHP page</title>
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<h1>Testing Variables with 'if'</h1>
<?php
$name = "Sam";
$number = 0;
if ( $name == "Sam") //if the name variable == sam
print "The variable value is $name <br/>"; //print it
if ( $name ) //if the name variable has value
print "The variable has a value <br/>"; //print it
else
print "The variable is not defined or is empty <br/>";
print "<br />";
if ($number == 3) //if number variable == 3
print "The variable value is $number <br/>"; //print it
if ( ! $number) //if number has not been defined, or 0
print "The number is not defined or is 0";
else
print "The number has a value";
?>
<p><b>...and here you have. That is it.</b></p>
<?php include "../include.php"; ?> <!-- hyperlink to see the code -->
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