how to check empty value from array? - php

Question

OK. So i have a json_encoded string like this:
{"MostViews":"1","Tags":"","PhotoSize":""}
Decoded it so it looks like this:
$specificdetail = json_decode('{"MostViews":"1","Tags":"","CanvasSize":""}',true);
print_r(specificdetail);
// printed array
Array
(
[MostViews] => 1
[Tags] =>
[PhotoSize] =>
)
Now you can see in the array there are two items Tags and PhotoSize are empty.
and My Requirement is that:
I am creating a dynamic div which will be visible if i got item with a value. I mean item should have any value. if all have empty then i will not show the div.
So i just did the basic thing to extract the array value:
$counter=0;
foreach($specificdetail as $specificd)
{
if(!empty($specificd)){
$counter++;
}
}
if(!empty($counter))
{
echo "<div>Detail:</div>";
}
Now it is giving me this Fatal Error:
Fatal error: Cannot access empty property
And i have also tried to use key=>value pair and checked the value but same result.
Can anybody tell me whats wrong with this? I know that many questions related to this fatal error have been asked before and i have checked few of them but non of them helped me?
Please Help.

Answer 1

OK. so i just did a little change in my if condition and also used the key=>value pair
foreach($specificdetail as $key=>$specificd)
{
if($specificd !== '' ){
$counter++;
}
}
echo $counter; // it gives me 1 which is true because there is only one item is not empty
BTW thanks everybody to giving your precious time.

Answer 2

Try this instead:
if($counter != 0)

Answer 3

Hello just put this code
$empty=array();
$feed=array();
$k=0;
$count_feeed=0;
$count_empty=0;
foreach($specificdetail as $key=>$val){
if($val != ""){
$feed[$k][$key]=$val;
$count_feeed++;
}else{
$empty[$k][$key]=$val;
$count_empty++;
}
$k++;
}
echo "<br/> Total feeding element: $count_feed;";
echo "<br/> Total empty element: $count_empty;";
echo "Your feeding array which is not empty.";
echo "<pre>";
print_r($feed);
echo "<br/>";
echo "Your empty array which is empty.";
echo "<pre>";
print_r($empty);
echo "<br/>Enjoy....";
Let me know if any bug

Answer 4

first json decode your code with json_decode() function then ,
$old_count=count($array);
$new_count=count(array_filter($array));
$number_of_empty_values=($old_count - $new_count);
echo $number_of_empty_values;