Getting Warning: Invalid argument supplied for foreach() when i leave interest filed empty?
30915
PHP Warning: Invalid argument supplied for foreach()
33613
Why is this trigger finding a null value despite the field being populated?
979
DeleteDuplicates[] does not work as expected on floating point values
53319
ArgumentException or ArgumentNullException for string parameters?
89933
How do I avoid trailing empty items being removed when splitting strings?
101925
Why does do_action pass a blank string as the first parameter if no $arg is set?
149985
Why doesn't a \foreach variable work in \draw in an \axis?
25186
Why can't I update data in an array with foreach loop?
68829
Is it necessary to declare PHP array before adding values with []?
4843
Adding an error on a dynamic referenced field
25621
Append[] is not working for empty list
145411
Why doesn't console.log work when passed as a parameter to forEach?
67178
PHP Fatal error: Cannot access empty property
31372
Why does this accept invalid input?
101561
Passing an empty array as default value of an optional parameter
118356
What does [].forEach.call() do in JavaScript?
51812
How to add elements to an empty array in PHP?