Section 3 - Conditional Logic

Language: PHP
<?php
 
		$correct_username = ';logmein';;
		$what_visitor_typed = ';logmein2';;
 
		if ($what_visitor_typed > $correct_username)
		{
			print("You';re not a valid user of this site!");
 
		}
		else
		{
			print("Welcome back, friend!");
		}	
?>

Language: PHP
if ($what_visitor_typed == $correct_username) //is tha same
//or
if ($what_visitor_typed != $correct_username) //is not the same

Language: PHP
$myName = Sipho;
$entryName = Sipho;
if ($myName === $entryName){
   echo $myName." is the same as ". $entryName." and they both have a datatype of " .is_int($myName);
};

Language: PHP
<?php
 
		$variable1 = ';5';; //string variable
		$variable2 = 6; //integer variable
 
		print($variable1 + $variable2);
 
?>

Language: PHP
$variable1 = ';9aasd asd';;
$variable2 = ';6saf sdfjh';;
 
print($variable1 + $variable2);

Language: PHP
$variable1 = ';9aasd asd';;
$variable2 = ';aasfafafsdaf6 sdfjh';;

Language: PHP
<?PHP
 
$kitten_image = 0;
$church_image = 1;
 
if ($kitten_image == 1) {
print ("<IMG SRC =images/kitten.jpg>");
}
 
if ($church_image == 1) {
print ("<IMG SRC =images/church.jpg>");
}
 
?>

Language: PHP
$Kitten_image = 0;
 
if($Kitten_image == 1){
echo "We have a kitty in here";
} else {
echo "Would you believe it, there are no kittens here..";
}

Language: PHP
$Kitten_image = 0;
 
if($Kitten_image){ #if variable is initiated or has a value equal to 1 then the following take place
echo "We have a kitty in here";
} else {
echo "Would you believe it, there are no kittens here..";
}