Number Helper

The Number Helper file contains functions that help you work with numeric data.

Loading this Helper

This helper is loaded using the following code:

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

利用できる機能

The following functions are available:

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

Parameters:

• $num (mixed) – Number of bytes
• $precision (int) – Floating point precision

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

An optional second parameter allows you to set the precision of the result:

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

Note

The text generated by this function is found in the following language file: language/<your_lang>/number_lang.php