integer remove(
string
$component)
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Remove all of a given component.
Return 0 on success, -1 otherwise (required element).
Parameters:
integer set(
string
$component, array
$arrayofvalues)
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Set all values for this component type in this array return 0 on success, 1 otherwise.
This is really silly to use for single entries only, it is the same as using add, but probably more cumbersome.
Parameters: