File vendor/joomla/string/src/phputf8/str_pad.php | Joomla! Framework TM

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 1 <?php
 2 /**
 3 * @package utf8
 4 */
 5 
 6 //---------------------------------------------------------------
 7 /**
 8 * Replacement for str_pad. $padStr may contain multi-byte characters.
 9 *
10 * @author Oliver Saunders <oliver (a) osinternetservices.com>
11 * @param string $input
12 * @param int $length
13 * @param string $padStr
14 * @param int $type ( same constants as str_pad )
15 * @return string
16 * @see http://www.php.net/str_pad
17 * @see utf8_substr
18 * @package utf8
19 */
20 function utf8_str_pad($input, $length, $padStr = ' ', $type = STR_PAD_RIGHT) {
21 
22     $inputLen = utf8_strlen($input);
23     if ($length <= $inputLen) {
24         return $input;
25     }
26 
27     $padStrLen = utf8_strlen($padStr);
28     $padLen = $length - $inputLen;
29 
30     if ($type == STR_PAD_RIGHT) {
31         $repeatTimes = ceil($padLen / $padStrLen);
32         return utf8_substr($input . str_repeat($padStr, $repeatTimes), 0, $length);
33     }
34 
35     if ($type == STR_PAD_LEFT) {
36         $repeatTimes = ceil($padLen / $padStrLen);
37         return utf8_substr(str_repeat($padStr, $repeatTimes), 0, floor($padLen)) . $input;
38     }
39 
40     if ($type == STR_PAD_BOTH) {
41 
42         $padLen/= 2;
43         $padAmountLeft = floor($padLen);
44         $padAmountRight = ceil($padLen);
45         $repeatTimesLeft = ceil($padAmountLeft / $padStrLen);
46         $repeatTimesRight = ceil($padAmountRight / $padStrLen);
47 
48         $paddingLeft = utf8_substr(str_repeat($padStr, $repeatTimesLeft), 0, $padAmountLeft);
49         $paddingRight = utf8_substr(str_repeat($padStr, $repeatTimesRight), 0, $padAmountLeft);
50         return $paddingLeft . $input . $paddingRight;
51     }
52 
53     trigger_error('utf8_str_pad: Unknown padding type (' . $type . ')',E_USER_ERROR);
54 }
55