interpreter.min.php

<?php $bf=new bf($argv[1]?? null);echo "\n\nMemory:\n".json_encode($bf->memory);class bf{public $memory=[];public $pointer=0;public $currentloop=0;public $startlooppositions;public function __construct($file){error_reporting(0);ini_set('display_errors',0);$default='++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>>++.>+.+++++++..+++.<<++.>+++++++++++++++.>.+++.------.--------.<<+.<.';($file===null)?$bfcode=$default:$bfcode=(file_exists($file))?file_get_contents($file):$file;foreach(range(0,10000)as $value){$memory[$value]=0;}echo "Input:\n".$bfcode."\n\n";echo "Output:\n";$this->interpret($bfcode);}function interpret($bfcode){$bfcode_split=str_split($bfcode);foreach($bfcode_split as $item=>$value){$this->bfeval($value,$item,$bfcode);}}function bfeval($value,$item,$currentcode){switch($value){case "+":$this->memory[$this->pointer]++;break;case "-":$this->memory[$this->pointer]--;break;case ">":$this->pointer++;break;case "<":$this->pointer--;break;case "[":$this->currentloop=$this->currentloop+1;$this->startlooppositions[$this->currentloop]=$item;break;case "]":if($this->memory[$this->pointer]>0){$extractedloop=strstr(strstr($currentcode,'['),']',true).']';$this->interpret($extractedloop);return;}else{$this->currentloop=$this->currentloop-1;}break;case ".":echo chr($this->memory[$this->pointer]);break;}}}