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58 lines
1.7 KiB
PHP
58 lines
1.7 KiB
PHP
<?php
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/**
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* @version $Id$
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* @package utf8
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* @subpackage strings
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*/
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//---------------------------------------------------------------
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/**
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* Replacement for str_pad. $padStr may contain multi-byte characters.
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*
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* @author Oliver Saunders <oliver (a) osinternetservices.com>
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* @param string $input
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* @param int $length
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* @param string $padStr
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* @param int $type ( same constants as str_pad )
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* @return string
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* @see http://www.php.net/str_pad
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* @see utf8_substr
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* @package utf8
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* @subpackage strings
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*/
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function utf8_str_pad($input, $length, $padStr = ' ', $type = STR_PAD_RIGHT) {
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$inputLen = utf8_strlen($input);
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if ($length <= $inputLen) {
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return $input;
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}
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$padStrLen = utf8_strlen($padStr);
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$padLen = $length - $inputLen;
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if ($type == STR_PAD_RIGHT) {
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$repeatTimes = ceil($padLen / $padStrLen);
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return utf8_substr($input . str_repeat($padStr, $repeatTimes), 0, $length);
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}
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if ($type == STR_PAD_LEFT) {
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$repeatTimes = ceil($padLen / $padStrLen);
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return utf8_substr(str_repeat($padStr, $repeatTimes), 0, floor($padLen)) . $input;
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}
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if ($type == STR_PAD_BOTH) {
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$padLen/= 2;
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$padAmountLeft = floor($padLen);
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$padAmountRight = ceil($padLen);
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$repeatTimesLeft = ceil($padAmountLeft / $padStrLen);
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$repeatTimesRight = ceil($padAmountRight / $padStrLen);
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$paddingLeft = utf8_substr(str_repeat($padStr, $repeatTimesLeft), 0, $padAmountLeft);
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$paddingRight = utf8_substr(str_repeat($padStr, $repeatTimesRight), 0, $padAmountLeft);
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return $paddingLeft . $input . $paddingRight;
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}
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trigger_error('utf8_str_pad: Unknown padding type (' . $type . ')',E_USER_ERROR);
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}
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