PHP 4.0 Bug #8279: Abnormal results in integer comparaison

From: zas@norz.org Operating system: linux 2.2 PHP version: 4.0.3pl1 PHP Bug Type: *General Issues Bug description: Abnormal results in integer comparaison <?php //BUG(??) in php4.03pl1 on integers comparaison $a =-2147483647; $min=-2147483648; //min. integer $max= 2147483647; //max. integer if ($a>$min) echo "$a > $min <BR>"; echo "<BR>"; echo "---errors---<BR>"; //the 2 following tests return strange results !!! if ($a<$max) echo "$a < $max <BR>"; else echo "$a > $max <BR>"; if ($max>$a) echo "$max > $a <BR>"; else echo "$max < $a <BR>"; echo "<BR>"; echo "---errors---<BR>"; if ($a<0) echo "$a < 0 <BR>"; else echo "$a > 0 <BR>"; if (0>$a) echo "0 > $a <BR>"; else echo "0 < $a <BR>"; echo "<BR>"; highlight_file(basename($PHP_SELF)); ?> -- Edit Bug report at: http://bugs.php.net/?id=8279&edit=1