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Current File : /www/server/php/72/src/tests/lang/returnByReference.007.phpt

--TEST--
Returning a reference from a static method via another static method
--INI--
error_reporting = E_ALL & ~E_STRICT
--FILE--
<?php
class C {
	static function returnConstantByValue() {
		return 100;
	}

	static function &returnConstantByRef() {
		return 100;
	}

	static function &returnVariableByRef() {
		return $GLOBALS['a'];
	}

	static function &returnFunctionCallByRef($functionToCall) {
		return C::$functionToCall();
	}
}

echo "\n---> 1. Via a return by ref function call, assign by reference the return value of a function that returns by value:\n";
unset($a, $b);
$a = 4;
$b = &C::returnFunctionCallByRef('returnConstantByValue');
$a++;
var_dump($a, $b);

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";
unset($a, $b);
$a = 4;
$b = &C::returnFunctionCallByRef('returnConstantByRef');
$a++;
var_dump($a, $b);

echo "\n---> 3. Via a return by ref function call, assign by reference the return value of a function that returns by ref:\n";
unset($a, $b);
$a = 4;
$b = &C::returnFunctionCallByRef('returnVariableByRef');
$a++;
var_dump($a, $b);

?>
--EXPECTF--
---> 1. Via a return by ref function call, assign by reference the return value of a function that returns by value:

Notice: Only variable references should be returned by reference in %s on line 16
int(5)
int(100)

---> 2. Via a return by ref function call, assign by reference the return value of a function that returns a constant by ref:

Notice: Only variable references should be returned by reference in %s on line 8
int(5)
int(100)

---> 3. Via a return by ref function call, assign by reference the return value of a function that returns by ref:
int(5)
int(5)

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