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Bug #72754 Compile-time Fatal Error from "[] + 1;" ?
Submitted: 2016-08-04 11:22 UTC Modified: 2016-08-05 22:22 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: ryosuke_i_628 at yahoo dot co dot jp Assigned:
Status: Not a bug Package: *General Issues
PHP Version: 7.0.9 OS:
Private report: No CVE-ID: None
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 [2016-08-04 11:22 UTC] ryosuke_i_628 at yahoo dot co dot jp 
Description:
------------
In PHP 7, "[] + 1;" seems to cause compile-time Fatal Error.

The important thing is that the issue occurrs on "array literal + non-array literal" expressions. If either opereand gets turned to be a variable, PHP 7 behaves as same as PHP 5.

Test script:
---------------
<?php
exit;
[] + 1;


Expected result:
----------------
No outputs.

Actual result:
--------------
PHP Fatal error:  Unsupported operand types in - on line 3

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 [2016-08-04 11:54 UTC] ryosuke_i_628 at yahoo dot co dot jp 
In PHP 5, direct call for __clone() causes E_COMPILE_ERROR. So we should change Compilte-time E_ERROR into E_COMPILE_ERROR or Runtime E_ERROR.
 [2016-08-04 11:59 UTC] nikic@php.net 
I'm sorry, could you please be more precise about what the issue is here. Yes, it changed to a compile-time error... but what of it? Why is this a problem for you?
 [2016-08-05 12:46 UTC] ryosuke_i_628 at yahoo dot co dot jp 
Although I have no problem with this, it seems to be an unexpected change. If developers have explicitly changed the feature, there are nothing to say. Sorry and appreciate for your response.
 [2016-08-05 22:22 UTC] kalle@php.net
-Status: Open +Status: Not a bug
 [2016-08-05 22:22 UTC] kalle@php.net 
Gonna mark it as NaB
 
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