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43 lines
852 B
PHP
43 lines
852 B
PHP
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<?php
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/**
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* Common String Functions
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*
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* PHP version 5
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*
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* @category Common
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* @package Functions\Strings
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* @author Jim Wigginton <terrafrost@php.net>
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* @copyright 2016 Jim Wigginton
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @link http://phpseclib.sourceforge.net
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*/
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namespace phpseclib\Common\Functions;
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/**
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* Common String Functions
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*
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* @package Functions\Strings
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* @author Jim Wigginton <terrafrost@php.net>
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*/
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class Strings
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{
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/**
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* String Shift
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*
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* Inspired by array_shift
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*
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* @param string $string
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* @param int $index
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* @access private
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* @return string
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*/
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static function shift(&$string, $index = 1)
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{
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$substr = substr($string, 0, $index);
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$string = substr($string, $index);
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return $substr;
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}
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}
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