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<?php
namespace callnotifier;
/**
* Some helper functions
*/
class Functions
{
/**
* Multibyte-version of str_pad
*
* @link http://stackoverflow.com/a/14773638/282601
*/
public static function mb_str_pad(
$input, $pad_length, $pad_string = ' ',
$pad_type = STR_PAD_RIGHT, $encoding = 'UTF-8'
) {
if (!function_exists('mb_substr')) {
return str_pad($input, $pad_length, $pad_string, $pad_type);
}
$input_length = mb_strlen($input, $encoding);
$pad_string_length = mb_strlen($pad_string, $encoding);
if ($pad_length <= 0 || ($pad_length - $input_length) <= 0) {
return $input;
}
$num_pad_chars = $pad_length - $input_length;
switch ($pad_type) {
case STR_PAD_RIGHT:
$left_pad = 0;
$right_pad = $num_pad_chars;
break;
case STR_PAD_LEFT:
$left_pad = $num_pad_chars;
$right_pad = 0;
break;
case STR_PAD_BOTH:
$left_pad = floor($num_pad_chars / 2);
$right_pad = $num_pad_chars - $left_pad;
break;
}
$result = '';
for ($i = 0; $i < $left_pad; ++$i) {
$result .= mb_substr($pad_string, $i % $pad_string_length, 1, $encoding);
}
$result .= $input;
for ($i = 0; $i < $right_pad; ++$i) {
$result .= mb_substr($pad_string, $i % $pad_string_length, 1, $encoding);
}
return $result;
}
}
?>
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