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Request #13859 Change (string)false from "" to "0"
Submitted: 2001-10-28 12:22 UTC Modified: 2001-10-28 12:36 UTC
From: perry at globalnet dot co dot uk Assigned:
Status: Closed Package: Feature/Change Request
PHP Version: 4.0.6 OS: Windows95
Private report: No CVE-ID: None
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 [2001-10-28 12:22 UTC] perry at globalnet dot co dot uk
<?php

$n1=10;
$n2=8;

echo '$n1<$n2 is '.($n1<$n2)."<br>";
echo '$n1<=$n2 is '.($n1<=$n2)."<br>";
echo '$n1>$n2 is '.($n1>$n2)."<br>";
echo '$n1>=$n2 is '.($n1>=$n2)."<br>";
echo '$n1==$n2 is '.($n1==$n2)."<br>";
echo '$n1!=$n2 is '.($n1!=$n2)."<br>";
echo '$n1<>$n2 is '.($n1<>$n2)."<br>";
echo '$n1===$n2 is '.($n1===$n2)."<br>";
echo '$n1!==$n2 is '.($n1!==$n2)."<br>";

echo "<br>";

$bool=($n1==$n2 || $n1===$n2);
echo '$bool=($n1==$n2 || $n1===$n2);'."<br>";
echo '$bool is '.$bool;

?>

---

This code is a simple run-through of the logical operators. The problem is that 0 is never displayed normally, but if you use boolean logic, then it is possible for 0 to be displayed. I prefer the 0 being displayed.

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 [2001-10-28 12:36 UTC] jeroen@php.net
Reclassified and updated summary. But it's not going to happen, therefore closed. There are numerous reasons for todays behaviour.

use var_dump anyway if you are interested in the value of an expression, and/or if() or something alike if you want to use the truth value of a variable.

See also: http://www.php.net/types
 
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