PHP in_array Examples
Usage
in_array("value", myarray) # Checks if "value" is in myarray (non-case sensitive!)
in_array("value", myarray, TRUE) # Checks if "value" is in myarray (case-sensitive)
in_array(5, myarray) # Checks wether 5 or "5" is in myarray
in_array(5, myarray, TRUE) # Check if number 5 is in myarray
Note how the 3rd parameter ensures type safety/case-sensitivity.
In case of a match TRUE is returned.