SplFixedArray::current()
(PHP 5 >= 5.3.0, PHP 7)
Return current array entry
说明
public SplFixedArray::current(void) : mixed
Get the current array element.
参数
此函数没有参数。
返回值
The current element value.
错误/异常
Throws RuntimeException when the internal array pointer points to an invalid index or is out of bounds.
<?php /** * current() : It returns current element in the SplFixedArray. */ $arr = new SplFixedArray(5); $arr[1] = 2; $arr[2] = "foo"; var_dump($arr->current()); echo "<br>"; $arr->next(); var_dump($arr->current()); echo "<br>"; $arr->next(); var_dump($arr->current()); echo "<br>"; ?> The output of this will be: NULL int(2) string(3) "foo"