Invalid argument supplied for foreach

0 votes

To handle data that can be either an array or a null variable and to feed some foreach with these data.

$values = get_values();

foreach ($values as $value){
  ...
}

When you feed a foreach with data that are not an array, you get a warning:

Warning: Invalid argument supplied for foreach() in [...]

 Can someone please help me with this error?

Apr 28 in Other DevOps Questions by Kichu
• 16,250 points
18 views

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