Annotation of embedaddon/php/tests/lang/returnByReference.006.phpt, revision 1.1
1.1 ! misho 1: --TEST--
! 2: Returning a reference from a function via another function
! 3: --INI--
! 4: error_reporting = E_ALL & ~E_STRICT
! 5: --FILE--
! 6: <?php
! 7: function returnConstantByValue() {
! 8: return 100;
! 9: }
! 10:
! 11: function &returnConstantByRef() {
! 12: return 100;
! 13: }
! 14:
! 15: function &returnVariableByRef() {
! 16: return $GLOBALS['a'];
! 17: }
! 18:
! 19: function &returnFunctionCallByRef($functionToCall) {
! 20: return $functionToCall();
! 21: }
! 22:
! 23: echo "\n---> 1. Via a return by ref function call, assign by reference the return value of a function that returns by value:\n";
! 24: unset($a, $b);
! 25: $a = 4;
! 26: $b = &returnFunctionCallByRef('returnConstantByValue');
! 27: $a++;
! 28: var_dump($a, $b);
! 29:
! 30: echo "\n---> 2. Via a return by ref function call, assign by reference the return value of a function that returns a constant by ref:\n";
! 31: unset($a, $b);
! 32: $a = 4;
! 33: $b = &returnFunctionCallByRef('returnConstantByRef');
! 34: $a++;
! 35: var_dump($a, $b);
! 36:
! 37: echo "\n---> 3. Via a return by ref function call, assign by reference the return value of a function that returns by ref:\n";
! 38: unset($a, $b);
! 39: $a = 4;
! 40: $b = &returnFunctionCallByRef('returnVariableByRef');
! 41: $a++;
! 42: var_dump($a, $b);
! 43:
! 44: ?>
! 45: --EXPECTF--
! 46: ---> 1. Via a return by ref function call, assign by reference the return value of a function that returns by value:
! 47:
! 48: Notice: Only variable references should be returned by reference in %s on line 15
! 49: int(5)
! 50: int(100)
! 51:
! 52: ---> 2. Via a return by ref function call, assign by reference the return value of a function that returns a constant by ref:
! 53:
! 54: Notice: Only variable references should be returned by reference in %s on line 7
! 55: int(5)
! 56: int(100)
! 57:
! 58: ---> 3. Via a return by ref function call, assign by reference the return value of a function that returns by ref:
! 59: int(5)
! 60: int(5)
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