Re: extract(EXTR_REFS) and pass-by-reference

Hello Moriyoshi, Hello Andi Sunday, January 2, 2005, 7:35:05 AM, you wrote: > Hi there, > I'm now looking into the three extract() bugs related to > each other, namely bug #25708, bug #29493 and bug #31213. > It turned out after all that these problems are caused > by a inevitable zval separation on sending arguments > to the function and there seems to be no feasible workaround > for now. I got stuck with a couple of mentioned ways that fix > the problem just partly, not entirely. > a. Specify first_arg_force_ref to PHP_FE(extract). > This will cause the engine to yell a > only-variables-can-be-passed-by-reference! > when you directly pass a scalar (temporary variable) to it. > b. Turn on allow_call_time_pass_by_reference. > This is anyway deprecated, but looks like the best way around from the > my point of view. > Any suggestions will be appreciated. > Moriyoshi while i tried to improve performance of the array functions i developed a new pass type - pass as const which doesn't touch the passed variable at all and is compatible with temp vars, too. Maybe your problem here is a reason to really implement that. Andi what do you think? -- Best regards, Marcus mailto:helly@php.net