Just PHP FUN 126.

interpreter.php

<?php
#  https://www.codewars.com/kata/587edac2bdf76ea23500011a Esolang: Tick.
function interpreter(string $tape): string {
  $i = 0; $ans = "";
  $mem = [];
  for($j=0; $j < strlen($tape); $j += 1){
    $c = $tape[$j];
    if('>' == $c){
      $i += 1;
      if(false === isset($mem[$i])) $mem[$i] == 0;
    }
    if('<' == $c){
      $i -= 1;
      if( false === isset($mem[$i])) $mem[$i] == 0;
    }
    if( '+' == $c){
      $mem[$i] += 1;
      $mem[$i] %= 256;
    }
    if( '*' == $c) $ans .= chr($mem[$i]);
  }
  return $ans;
}

just_php_fun_126.md

Just PHP FUN 126.

• https://www.codewars.com/kata/587edac2bdf76ea23500011a Esolang: Tick.

Started at 23:46 12.10.2020 Monday Oct. Finished at 3:16 13.10.2020 Tuesday Oct. (3hrs 30minutes)