isEmpty() protected method
Returns a value indicating whether the give value is "empty".
The value is considered "empty", if one of the following conditions is satisfied:
- it is
null, - an empty string (
''), - a string containing only whitespace characters,
- or an empty array.
| protected boolean isEmpty ( $value ) | ||
|---|---|---|
| $value | mixed | |
| return | boolean |
If the value is empty |
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