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1.1 ! misho 1: --TEST-- ! 2: Pass same variable by ref and by value. ! 3: --FILE-- ! 4: <?php ! 5: function valRef($x, &$y) { ! 6: var_dump($x, $y); ! 7: var_dump(func_num_args()); ! 8: $x = 'changed.x'; ! 9: $y = 'changed.y'; ! 10: var_dump(func_num_args()); ! 11: } ! 12: ! 13: function refVal(&$x, $y) { ! 14: var_dump($x, $y); ! 15: var_dump(func_num_args()); ! 16: $x = 'changed.x'; ! 17: $y = 'changed.y'; ! 18: var_dump(func_num_args()); ! 19: } ! 20: ! 21: ! 22: echo "\n\n-- Val, Ref --\n"; ! 23: $a = 'original.a'; ! 24: valRef($a, $a); ! 25: var_dump($a); ! 26: ! 27: echo "\n\n-- Ref, Val --\n"; ! 28: $b = 'original.b'; ! 29: refVal($b, $b); ! 30: var_dump($b); ! 31: ?> ! 32: --EXPECTF-- ! 33: ! 34: ! 35: -- Val, Ref -- ! 36: string(10) "original.a" ! 37: string(10) "original.a" ! 38: int(2) ! 39: int(2) ! 40: string(9) "changed.y" ! 41: ! 42: ! 43: -- Ref, Val -- ! 44: string(10) "original.b" ! 45: string(10) "original.b" ! 46: int(2) ! 47: int(2) ! 48: string(9) "changed.x"