server/Gameserver/gamesys/app/utils/Strings.php

<?php

/*
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 */

/**
 * Description of Str
 *
 * @author jgao
 */
class Strings {
    //put your code here
    
    /**
     * 字符串包含判定
     * @param type $string 完整字符串
     * @param type $sub 子串
     * @return type 
     */
    static function contains($str, $sub){
        return strpos($str, $sub) !== false;
    }
    
    /**
     * 字符串分割
     * @param type $str
     * @param type $char
     * @return type 
     */
    static function split($str,$char=','){
        if($str == ""){
            return array();
        }
        $strArr = explode($char, $str);
        return $strArr;
    }
    
    /**
     * 字符串分割为二进制数据
     * @param type $str
     * @param type $char
     * @return type 
     */
    static function splitRaw($str,$char=','){
        $rawArr = array();
        if($str != ""){
            $strArr = self::split($str, $char);
            foreach($strArr as $item){
                $rawArr[] = (real)$item;
            }
        }
        return $rawArr;
    }
}