本文整理匯總了PHP中C::returnFunctionCallByRef方法的典型用法代碼示例。如果您正苦於以下問題：PHP C::returnFunctionCallByRef方法的具體用法？PHP C::returnFunctionCallByRef怎麽用？PHP C::returnFunctionCallByRef使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類C的用法示例。
在下文中一共展示了C::returnFunctionCallByRef方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: C
{
return 100;
}
function &returnVariableByRef()
{
return $GLOBALS['a'];
}
function &returnFunctionCallByRef($functionToCall)
{
return $this->{$functionToCall}();
}
}
$c = new C();
echo "\n---> 1. Via a return by ref function call, assign by reference the return value of a function that returns by value:\n";
unset($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);示例2: unset
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);