聪明的功能分配PHP

Question

i have a function in smarty that checks if the row called "mikaphotos" is empty. If the row is empty, it's ok and doesnt happen anything, and if it's not empty..it takes the value in $path variable. Now my assin is:

$smarty->assign("mikaPhotos", getTheImages("SOMEPATH",400), true);

and my getTheImages function is:

getTheImages($path,$width){
 $dirname = $path; //the path
 $images = glob($dirname."*.png");//get the png images from directory
 foreach($images as $image) {
 echo '<img src="'.$dirname.'/'.$image.'" width="'.$width.'" /><br />';//echo all the images in SOMEPATH
 }
}

now in my file.tpl .. i put:{$mikaPhotos} and it's not working. I think there is some problem in my code, but i do not know how to do that. any help please?

Answer 1

Function assign in smarty assigns(!) value returned by getTheImages function to mikaPhotos variable. So, your getTheImages function should return a string instead of echoing. For example, something like:

getTheImages($path,$width){
    $result = '';
    $dirname = $path; //the path
    $images = glob($dirname."*.png");//get the png images from directory
    foreach($images as $image) {
        $result .= '<img src="'.$dirname.'/'.$image.'" width="'.$width.'" /><br />';
    }

    return $result;    // return html for all your images as a string
}