php算法代码，emoji表情换成自己喜欢的就行post请求api源码<?php//可以封装成以下的API代码，接受GET请求，参数包括：//action：指定API动作，encode表示加密，decode表示解密；//content：需要加密或解密的字符串，使用urlencode编码；$miyu=['表情1','表情2','表情3','表情4','表情5','表情6','表情7','表情8','表情9','表情10'];functionencode($str,$miyu){$code=null;$hexArray=str_split_unicode(bin2hex($str));foreach($hexArrayas$k=>$v){$x=base_convert($v,16,10)+$k%16;if($x>=16){$x-=16;}$code.=$miyu[($x/10)].$miyu[$x%10];}return$code;}functiondecode($str,$miyu){$code=null;$hexArray=str_split_unicode($str);$n=count($hexArray);for($i=0;$i<$n;$i++){if($i%2==0){if(empty($hexArray[$i+1])){break;}$A=array_search($hexArray[$i],$miyu);$B=array_search($hexArray[$i+1],$miyu);$x=(($A*10)+$B)-(($i/2)%16);if($x<0){$x+=16;}$code.=dechex($x);}}returnpack("H*",$code);}functionstr_split_unicode($str,$l=0){if($l>0){$ret=array();$len=mb_strlen($str,"UTF-8");for($i=0;$i<$len;$i+=$l){$ret[]=mb_substr($str,$i,$l,"UTF-8");}return$ret;}returnpreg_split("//u",$str,-1,PREG_SPLIT_NO_EMPTY);}functiondaddslashes($string,$force=0,$strip=FALSE){!defined('MAGIC_QUOTES_GPC')&&define('MAGIC_QUOTES_GPC',get_magic_quotes_gpc());if(!MAGIC_QUOTES_GPC||$force){if(is_array($string)){foreach($stringas$key=>$val){$string[$key]=daddslashes($val,$force,$strip);}}else{$string=addslashes($strip?stripslashes($string):$string);}}return$string;}if(isset($_POST['action'])&&isset($_POST['content'])){$action=daddslashes($_POST['action']);$content=daddslashes($_POST['content']);if($action=='encode'){$result=encode($content,$miyu);echojson_encode(array('error'=>200,'data'=>$result,'message'=>'加密成功'),JSON_UNESCAPED_UNICODE);}elseif($action=='decode'){$result=decode($content,$miyu);echojson_encode(array('error'=>200,'data'=>$result,'message'=>'解密成功'),JSON_UNESCAPED_UNICODE);}else{echo'Invalidaction';}}else{echo'Invalidparameters';}?>
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