Mega Code Archive
Addition of two floating-point variables compared to a variable with the expected value result can lead to an unexpected result.
<![CDATA[
<?php
$a=50.3;
$b=50.4;
$c=100.7;
if ($a + $b == $c) {
echo "$a + $b == $c\n";
}
else {
echo "$a + $b != $c\n";
}
?>
]]>