ID: 10234
Updated by: cnewbill
Reported By: [EMAIL PROTECTED]
Old-Status: Open
Status: Bogus
Bug Type: Unknown/Other Function
Assigned To:
Comments:
For string comparison use !== for NOT and === for EQUALS.
-Chris
Previous Comments:
---------------------------------------------------------------------------
[2001-04-08 14:58:54] [EMAIL PROTECTED]
<?php
/*
I want to compare two strings and if they are equal show a message on the screen.
But I discovered that it's imposible, because PHP think that they are equal anyway
:(((
Example of script
*/
//EX 1. something wrong
$qqq = "00041001001001001001001001001001001002000";
$xxx = "00041001001001001000000000000000000000000";
# with != just the same effect as <>
if ($qqq <> $xxx)
echo "<hr>$qqq<br> <b>!=</b> <br>$xxx<hr>"; //it should be on the screen, but
...
else
echo "<hr>$qqq<br> <b>=</b> <br>$xxx <hr>"; //it's appear every time on the
screen :(((
if ($qqq != $xxx)
echo "<hr>$qqq<br> <b>!=</b> <br>$xxx";
else
echo "<hr>$qqq<br> <b>=</b> <br>$xxx <hr>";
//(strval($qqq) != strval($xxx)) does not work too
if (strval($qqq) != strval($xxx))
echo "<hr>$qqq<br> <b>!=</b> <br>$xxx<hr>";
else
echo "<hr>$qqq<br> <b>=</b> <br>$xxx <hr>";
//EX 2 - all OK
$qqq = "00041001000000000000000000000000000000000";
$xxx = "00041001001001001001001001001001001002000";
# with != just the same effect as <>
if ($qqq <> $xxx)
echo "$qqq<br> <b>!=</b> <br>$xxx";
else
echo "$qqq<br> <b>=</b> <br>$xxx <hr>";
if ($qqq != $xxx)
echo "$qqq<br> <b>!=</b> <br>$xxx";
else
echo "$qqq<br> <b>=</b> <br>$xxx <hr>";
?>
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