PHP :: Bug #71706 :: Assignment operators in "if" expression

Bug #71706	Assignment operators in "if" expression
Submitted:	2016-03-03 07:20 UTC	Modified:	2016-03-03 10:10 UTC
From:	dmitryscaletta at mail dot ru	Assigned:
Status:	Not a bug	Package:	*General Issues
PHP Version:	7.0.3	OS:	Windows 10
Private report:	No	CVE-ID:	None

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[2016-03-03 07:20 UTC] dmitryscaletta at mail dot ru

Description:
------------
I expect "78" or warning, but i have "1"

Test script:
---------------
<?php
if ($var = 78 || $var = 456 || $var = 464) {
    echo $var;
}

Expected result:
----------------
1

Actual result:
--------------
78

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[2016-03-03 07:21 UTC] dmitryscaletta at mail dot ru

(I made a mistake)
Expected result:
----------------
78

Actual result:
--------------
1

[2016-03-03 07:28 UTC] dmitryscaletta at mail dot ru

-Status: Open +Status: Closed

[2016-03-03 07:28 UTC] dmitryscaletta at mail dot ru

I realized my mistake. || returns bool

[2016-03-03 07:30 UTC] inefedor at gmail dot com

Operator || has higher precedence than assignment operator hence your expression is being treated as $var = (78 || $var = (456 || $var = 464))

[2016-03-03 10:10 UTC] requinix@php.net

-Status: Closed +Status: Not a bug

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