note 73922 added to language.operators.comparison
| From: | php_dev at dunnbypaul dot net | Date: | Thu, 15 Mar 2007 19:05:59 +0000 |
| Subject: | note 73922 added to language.operators.comparison | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-124489@lists.php.net to get a copy of this message | ||
Here's a PHP peculiarity:
<?
echo ( 0==true ? "true" : "false") . "\n";
echo ( 1==true ? "true" : "false") . "\n";
echo ( 596==true ? "true" : "false") . "\n";
?>
produces:
false
true
true
no surprises, so far, and...
<?
echo ( 0=="true" ? "true" : "false") . "\n";
echo ( 1=="true" ? "true" : "false") . "\n";
echo ( 596=="true" ? "true" : "false") . "\n";
?>
produces:
true
false
false
still okay, but this...
<?
echo ( true=="true" ? "true" : "false") . "\n";
?>
produces:
true !?
what's up?
it's kind of like...
<?
echo ( sally=="sally" ? "true" : "false") . "\n";
?>
which produces:
true
but it should be more like..
<?
define("sally",1);
echo ( sally=="sally" ? "true" : "false") . "\n";
?>
which produces:
false
Can anybody explain this peculiar behaviour?
----
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Probable Submitter: 66.11.77.89
----
Manual Page -- http://www.php.net/manual/en/language.operators.comparison.php
Edit -- https://master.php.net/note/edit/73922
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