On Jan 2, 2011, at 11:29, Steve Mallett wrote:
> http://localhost/links/add?foo=http://asdfasdf/adsfe/asdf & variations
> thereof work great using
> $foo = $this->params['url']['foo'];
> echo $this->Form->input('Link.url', array('value'=>$foo, 'type' => 'text'));
>
> However, when hitting http://localhost/links/add the error: Notice
> (8): Undefined index: foo [APP/views/links/add.ctp, line 12] Should I
> be setting $foo to null somehow?
Certainly, if $this->params['url'] does not contain an element 'foo' you should
not be attempting to access element 'foo'. This is basic PHP array usage.
if (isset($this->params['url']['foo'])) {
// do something with $this->params['url']['foo']
} else {
// do something that does not try to use $this->params['url']['foo']
}
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