ReflectionParameter::canBePassedByValue

( excerpt from http://php

public function canBePassedByValue();

net/manual/en/reflectionparameter.canbepassedbyvalue.php )

Returns whether this parameter can be passed by value. Warning: This function is currently not documented; only its argument list is available.

Return Values

  • mixed - Returns TRUE if the parameter can be passed by value, FALSE otherwise. Returns NULL in case of an error.