It currently is equal:
$ php -r 'var_dump(null == array()); var_dump((array) null);'
bool(true)
array(0) {
}
Ants
Jani Taskinen wrote:
Will the patch make it silently ignore also empty string and 0?
If not, -1. (what's with null being suddenly equal to empty array? :)
--Jani
On Tue, 25 Oct 2005, Marcus Boerger wrote:
Hello internals,
i would like to change foreach a tiny bit. Actually i don't like the
warning when using foreach with null.
[EMAIL PROTECTED] /usr/src/php-cvs $ php -r '$n=NULL; foreach($n as $v);'
make: `sapi/cli/php' is up to date.
Warning: Invalid argument supplied for foreach() in Command line code
on line 1
[EMAIL PROTECTED] /usr/src/php-cvs $ php -r 'foreach(NULL as $v);'
make: `sapi/cli/php' is up to date.
Warning: Invalid argument supplied for foreach() in Command line code
on line 1
The way we use NULL in PHP should result in no warning here. The patch
for
this can be found here:
http://php.net/~helly/php/ext/ze2/ze2-foreach-null-20051025.diff.txt
It was made with head but applies to 5.1 as well.
Any opinions?
Best regards,
Marcus
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