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  • SplFixedArray::current()

    (PHP 5 >= 5.3.0, PHP 7)

    Return current array entry

    说明

    publicSplFixedArray::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"