PHP object cannot find method

Question

So I have a very simple class that has a method called getThumbUrl() but when I try calling this method on an instance I get

Notice: Undefined property: FlickrImage::$getThumbUrl

But it is clearly there. Here is the code of the function inside of the FlickrImage class:

public function getThumbUrl()
{
    return "http://farm".$this->_farm.".static.flickr.com/".$this->_server."/".$this->_id."_".$this->_secret."_t.jpg";
}

And here is where it fails inside of a different testing file:

$flickrTester = new FlickrManager();

$photos = $flickrTester->getPhotoStreamImages(9, 1);

foreach($photos as $photo) {
    echo "<img src='$photo->getThumbUrl()' />";
}

Hate to break it to you, but your foreach is calling $photo->getFullUrl(), but the function/method you posted is getThumbUrl(). Typo? — Jordan S. Jones
– Jordan S. Jones, Commented Apr 16, 2010 at 18:21
Can you provide some more code? How you get the images etc. From what you posted it is difficult to help. — Felix Kling
– Felix Kling, Commented Apr 16, 2010 at 18:24
I added a little more. The testing code is in a different file. And the getPhotoStreamImages method returns an array of FlickrPhotos. I did a var_dump and they are def in the array — Danny
– Danny, Commented Apr 16, 2010 at 18:30
Looks like if i take the function call out of the <img> element then it works. Can you not call object method from inside strings? — Danny
– Danny, Commented Apr 16, 2010 at 18:37

thetaiko · Accepted Answer · 2010-04-16 19:05:16Z

4

Add curly-braces around the $photo->getThumbUrl() in your echo. Here's whats going on. Without surrounding the method in curly-braces PHP will try to resolve $photo->getThumbUrl and will treat the () as plain text. The error that you're seeing then is PHP complaining that $photo->getThumbUrl hasn't been declared, as indeed it hasn't.

foreach($photos as $photo) {
    echo "<img src='{$photo->getThumbUrl()}' />";
}

edited Apr 16, 2010 at 19:05

answered Apr 16, 2010 at 18:39

thetaiko

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Sarfraz · Accepted Answer · 2010-04-16 18:46:25Z

2

From what you say, you are calling it like:

FlickrImage::$getFullUrl

Rather than:

FlickrImage::$getFullUrl()

So you are missing () at the end.

foreach($photos as $photo) {
    echo '<img src="' . $photo->getThumbUrl() . '" />';
}

edited Apr 16, 2010 at 18:46

answered Apr 16, 2010 at 18:23

Sarfraz

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