PHP Warning: foreach() argument must be of type array|object, null given in …/content/themes/generatepress/inc/structure/post-meta. However, it started happening a few times daily in the last 4 days.
PHP FOREACH NULL CODE
(Yet another reason to structure your code to avoid nulls, period.) One place this comes up in particular is in foreach () loops, especially when working with nested array structures. umulder at 10:29 umulder see edit, you are right. The first operand of FE_RESET_RW is the hash variable that will be iterated over, and you can see that it's ~3 instead of !0 ( $a in your code), which is what you expected to happen.I’ve been seeing the following error in my error log for months now, but it wasn’t a daily occurence. PHP will dutifully whine at you if you try to use a null value, sometimes fatally. 1 Obviously fichier is not null exactly, but some empty object or something like. Line #* E I O op fetch ext return operands
You could compare this to the following: $a = Ĭode Insight compiled vars: !0 = $a, !1 = $v Here's my code list : on the controller (home. The foreach loop though iterates over an array of elements, the execution is simplified and finishes the loop in less time comparatively. Ask Question Asked 9 years, 4 months ago Modified 9 years, 4 months ago Viewed 1k times 0 I have another error anymore, when I try to display a result in my view, the result is NULL and I can't see the result of my query at models. Therefore, the iteration happens over a copy of the original array. The foreach construct provides the easiest way to iterate the array elements. The coalesce operator uses a copy of the original array, and then applies the right hand operand if null.
Or, don't use references at all, by either using array_map() or by using the keys to make modifications in the underlying array. It doesn't hurt, but it's simply not required. So it may become foreach ((result : array()) as item). 2 Answers Sorted by: 9 The loop won't be executed if terms is false / null /an empty array. TL DR For your case, you could consider using the null coalesce operator in this manner: $a = $a ? PHP provides a way for objects to be defined so it is possible to iterate through a list of items, with, for example a foreach statement. Since PHP 5.3, it is possible to leave out the middle part of the ternary operator.
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