On 20 September 2015 01:43:06 BST, Ryan Pallas <derokor...@gmail.com> wrote:
>I would also point out that is_null returns true (after the engine
>produces
>a notice) for undefined variables:
>
>$ php -r "var_dump(is_null($a));"
>
>Notice: Undefined variable: a in Command line code on line 1
>
>Call Stack:
> 0.0001 118888 1. {main{() Command line code:0
>
>*bool(true)*
And you know why it does that? For consistency with this:
$ php -r "var_dump($a);"
Notice: Undefined variable: a in Command line code on line 1
NULL
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