文件操作 - StringUtil.php
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文件: /home/acihmzbq/public_html/wp-content/plugins/backuply/lib/Curl/StringUtil.php
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<?php namespace Curl; class StringUtil { public static function characterReversePosition($haystack, $needle, $part = false) { if (function_exists('\mb_strrchr')) { return \mb_strrchr($haystack, $needle, $part); } else { return \strrchr($haystack, $needle); } } public static function length($string) { if (function_exists('\mb_strlen')) { return \mb_strlen($string); } else { return \strlen($string); } } public static function position($haystack, $needle, $offset = 0) { if (function_exists('\mb_strpos')) { return \mb_strpos($haystack, $needle, $offset); } else { return \strpos($haystack, $needle, $offset); } } public static function reversePosition($haystack, $needle, $offset = 0) { if (function_exists('\mb_strrpos')) { return \mb_strrpos($haystack, $needle, $offset); } else { return \strrpos($haystack, $needle, $offset); } } /** * Return true when $haystack starts with $needle. * * @access public * @param $haystack * @param $needle * * @return bool */ public static function startsWith($haystack, $needle) { return self::substring($haystack, 0, self::length($needle)) === $needle; } public static function substring($string, $start, $length) { if (function_exists('\mb_substr')) { return \mb_substr($string, $start, $length); } else { return \substr($string, $start, $length); } } }
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