If-statements (PHP)

Paar voorbeelden:

# Basis
##########################
#
if (condition) 
{
    code to be executed if condition is true;
} # Geen ";"!

# Vergelijking van strings
##########################
#
if (sku1==sku2)
{
   ...
}

# AND-clause
##########################
#
<?php

$a=5;
$b=5;
$c=5;

if ($a==$b and $a==$c)
{
	echo "a=b=c";
}


$a=5;
$b=5;
$c=4;

if ($a==$b and $a==$c)
{
	echo "a=b=c";
}
elseif ($a==$b and $a<>$c)
{
	echo "a=b<>c";
}