My ISP upgraded his server from Ubuntu 9.04 to Ubuntu 9.10, which
probably included a newer PHP version. I don't know what PHP version
was on previously. Code I've had running for years broke, and I tracked
it down to this equivalent:
<?php
echo 'Current PHP version: ', phpversion(), "<br><br>";
$Condition0 = true and false;
If ($Condition0)
echo "Condition0<br>";
else echo "Not Condition0<br>";
$Condition1 = false and true;
If ($Condition1)
echo "Condition1<br>";
else echo "Not Condition1<br>";
$Condition2 = (true and false);
If ($Condition2)
echo "Condition2<br>";
else echo "Not Condition2<br>";
$Condition3 = true && false;
If ($Condition3)
echo "Condition3<br>";
else echo "Not Condition3<br>";
$Condition4 = (true && false);
If ($Condition4)
echo "Condition4<br>";
else echo "Not Condition4<br>";
?>
which returns:
Current PHP version: 5.2.10-2ubuntu6.4
Condition0
Not Condition1
Not Condition2
Not Condition3
Not Condition4
===============================
I added parentheses around the offending line of code and it seems okay
now. But I am stymied as to why they're required at all. They never
were before, and as far as I see there is no PHP requirement to include
the parentheses. Have I done something silly? Mostly I'm worried if
there are any other changes I need to make. I searched my code and
hopefully found all similar instances, but who really knows about those
kinds of things?
Any comments?
---Robert
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