Ds\Vector::find

    (PECL ds >= 1.0.0)

    Ds\Vector::find — Attempts to find a value's index

    说明

    publicDs\Vector::find(mixed$value): mixed

    Returns the index of the value, or false if not found.

    参数

    value

    The value to find.

    返回值

    The index of the value, or false if not found.

    注意:

    Values will be compared by value and by type.

    示例

    示例 #1 Ds\Vector::find() example

    <?php
    $vector     = new \Ds\Vector(["a", 1, true]);

    var_dump($vector->find("a")); // 0
    var_dump($vector->find("b")); // false
    var_dump($vector->find("1")); // false
    var_dump($vector->find(1)); // 1
    ?>

    以上示例的输出类似于：

    int(0) bool(false) bool(false) int(1)
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