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<?php $functionName = 'array_multisort'; printf("Params of %s:\n", $functionName); foreach ((new ReflectionFunction($functionName))->getParameters() as $param) { printf("Param \$%s: isPassedByReference=%s, isOptional=%s, isVariadic=%s\n", $param->getName(), var_export($param->isPassedByReference(), true), var_export($param->isOptional(), true), var_export($param->isVariadic(), true)); }
Output for git.master, git.master_jit, rfc.property-hooks
Params of array_multisort: Param $array: isPassedByReference=true, isOptional=false, isVariadic=false Param $rest: isPassedByReference=true, isOptional=true, isVariadic=true

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