#PHP 实现匿名递归函数
递归阶乘:
$factorial = function( $n ) use ( &$factorial ) {
if ( $n == 0 ) {
return 1;
} else {
return $factorial( $n -1 ) * $n;
}
};
echo $factorial(4);
#PHP 实现匿名递归函数
递归阶乘:
$factorial = function( $n ) use ( &$factorial ) {
if ( $n == 0 ) {
return 1;
} else {
return $factorial( $n -1 ) * $n;
}
};
echo $factorial(4);