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문자

“数字帮助”文件包含帮助您处理数字数据的函数。

  • 加载此助手

  • 可用职能

加载此助手

使用以下代码加载此助手:

$this->load->helper('number');

可用职能

现有下列职能:

byte_format($num[, $precision = 1])

参数:

$ num(mixed) - 字节数$ precision(int) - 浮点精度

返回:

格式化的数据大小字符串

返回类型:

  • $ num混合) - 字节数

  • $ precisionint) - 浮点精度

Returns:  Formatted data size string
Return type:  string
Formats numbers as bytes, based on size, and adds the appropriate suffix. Examples:

echo byte_format(456); //返回456字节echo byte_format(4567); //返回4.5 KB echo byte_format(45678); //返回44.6 KB echo byte_format(456789); //返回447.8 KB echo byte_format(3456789); //返回3.3 MB echo byte_format(12345678912345); //返回1.8 GB echo byte_format(123456789123456789); //返回11,228.3 TB

可选的第二个参数允许您设置结果的精度:

echo byte_format(45678,2); //返回44.61 KB

该函数生成的文本可在以下语言文件中找到:language / <your_lang> /number_lang.php

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