Just PHP FUN 110.

interpreter.php

<?php 
# https://www.codewars.com/kata/58817056e7a31c2ceb000052 Esolang: InfiniTick.
function interpreter(string $tape): string {
  $x = str_split($tape);
  $tape = "";
  foreach($x as $c) if(false != strpos("^+-&*<>/\\",$c)) $tape .= $c;
  
  $key = 0;
  $mem = [
    "0" => 0
  ];
  $ans = "";
  

  while(true){
    $value = $tape[$i];
    
    if('>' === $value) $key += 1; 
    if("<" === $value) $key -= 1;
    
    if(!isset($mem[strval($key)])) $mem[strval($key)] = 0;
    
    if("+" === $value) $mem[strval($key)] += 1;
    if("-" === $value) $mem[strval($key)] -= 1; 
    
    if(0 > $mem[strval($key)] ) $mem[strval($key)]  = 255;
    if(255 < $mem[strval($key)] ) $mem[strval($key)]  = 0;
    
    if("*" === $value) $ans .= chr($mem[strval($key)]);
    if("&" === $value) break;
    
    if(47 == ord($value) && 0 === $mem[strval($key)]) $i += 1;
    if( 92 == ord($value) && 0 !== $mem[strval($key)]) $i += 1;
    
    $i += 1;
    $i = $i % strlen($tape);
  }
  return $ans;
}

just_php_fun_110.md

Just PHP FUN 110.

• https://www.codewars.com/kata/58817056e7a31c2ceb000052 Esolang: InfiniTick.

Started at 20:24 23.09.2020 Wednesday Sep.
Finished at 22:24 23.09.2020 Wednesday Sep. (2hrs 00minutes)