Round up arbitrary precision number

# bcceil

(PHP 8 >= 8.4.0)

bcceil — Round up arbitrary precision number

### 说明

function bcceil(string `$num`): string

Returns the next highest integer value by rounding up `num` if necessary.

### 参数

`num`
  The value to round.

### 返回值

Returns a numeric string representing `num` rounded up to the nearest integer.

### 错误／异常

This function throws a ValueError if `num` is not a well-formed BCMath numeric string.

### 示例

示例 #1 bcceil() example

    <?php
    var_dump(bcceil('4.3'));
    var_dump(bcceil('9.999'));
    var_dump(bcceil('-3.14'));
    ?>

以上示例会输出：

    string(1) "5"
    string(2) "10"
    string(2) "-3"

### 参见

- bcfloor() - Round down arbitrary precision number
- bcround() - Round arbitrary precision number
- BcMath\Number::ceil() - Rounds up an arbitrary precision number

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