PHP :: Bug #22611 :: ? : operator precedence is wrong

Bug #22611	? : operator precedence is wrong
Submitted:	2003-03-08 13:46 UTC	Modified:	2003-03-09 18:29 UTC
From:	pts+phpbug at math dot bme dot hu	Assigned:
Status:	Not a bug	Package:	Scripting Engine problem
PHP Version:	4.3.1	OS:	Linux
Private report:	No	CVE-ID:	None

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[2003-03-08 13:46 UTC] pts+phpbug at math dot bme dot hu

<?php echo 1 ? 2 : 3 ? 4 : 5;            
# ^^^ should echo `2', but echoes `4' in PHP 4.3.1

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[2003-03-09 18:29 UTC] moriyoshi@php.net

This looks really weird, but it's by design. In PHP "?" have left associativity in contrast to other languages such as perl in which they have right associativity.

See also
http://www.php.net/manual/en/language.operators.php
http://www.perldoc.com/perl5.8.0/pod/perlop.html

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