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Subject: Re: [PHP-DEV] 5.4 regression: non-existent sub-sub keys now have
 values
From: glopes@nebm.ist.utl.pt ("Gustavo Lopes")

On Thu, 24 Nov 2011 22:44:46 -0000, Yasuo Ohgaki <yohgaki@ohgaki.net>  
wrote:

> find ../php-src-5.3/Zend/ -name "*.[ch]" | xargs grep -n "Cannot use
> string offset as an array" | wc -l111
> I thought there are much less lines to raise notice for string offset
> access, but it isn't. It almost everywhere in vm.  Now I understand
> the reason why Stats and Rusmus cares about decreased performance with
> notices.
>

This is just due to opcode handler specialization. In the source code  
there are 7 instances in 5.4 and 10 in 5.3.

-- 
Gustavo Lopes