| Re: weird global issue [message #185332 is a reply to message #185000] |
Wed, 19 March 2014 15:26   |
Arno Welzel
Messages: 317
Registered: October 2011
Karma:
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Senior Member |
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Am 23.02.2014 21:35, schrieb The Natural Philosopher:
> On 23/02/14 18:59, Christoph Michael Becker wrote:
>> The Natural Philosopher wrote:
>>
>>> Consider
>>> <?php
>>> $x=array();
>>>
>>> function foo()
>>> {
>>> global $x;
>>> foreach($x as $p) // fails with invalid type
>>> {
>>> }
>>> }
>>> ?>
>>> ---------
>>>
>>> <?php
>>> $x=array();
>>> global $x;
>>> function foo()
>>> {
>>> global $x;
>>> foreach($x as $p) // works??
>>> {
>>> }
>>> }
>>> ?>
>>> ---------
>>> This behaviour seems only limited to arrays...
>>
>> No (unless there's a bug in a particular PHP version). Your first code
>> sample works fine without even a notice.
>>
>
> It doesn't here, but the code is being 'eval'ed' ...
That's one of the reasons, why it is NOT "nice" to store code in a
database and then use eval() to execute it.
--
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de
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