[BUGFIX] Prevent PHP warning by checking the type #413
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Resolves: #412
What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
Bugfix
What is the current behavior? (You can also link to an open issue here)
PHP warning if an array is given as option because trim exprect a string.
What is the new behavior (if this is a feature change)?
Check the type and handle the array.
Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
No
Other information: