added tips to lamer.bash help

[mirrors/Programs.git] / php / skripty / php_brainfuck.php

<?php\r
\r
$code = "++++++++[>+++++++++<-]>.<+++++[>++++++<-]>-.+++++++..+++.<++++++++[>>++++<<-]>>.<<++++[>------<-]>.<++++[>++++++<-]>.+++.------.--------.>+.";\r
\r
$buffer = "";\r
$pos = 0;\r
$while = array(); // array($i, ...)\r
for ($i=0; $i < strlen($code); $i++) {\r
    switch ($code{$i}) {\r
        case '>': $pos++; break;\r
        case '<': $pos--; break;\r
        case '+': $buffer{$pos} = chr(ord($buffer{$pos}) + 1); break;\r
        case '-': $buffer{$pos} = chr(ord($buffer{$pos}) - 1); break;\r
        case '.': echo $buffer{$pos}; break;\r
        case ',': $buffer{$pos} = fgetc(STDIN); break;\r
        case '[': if (ord($buffer{$pos})) $while[] = $i; else for ($depth=1; $depth; $i++) {\r
            if ($code{$i+1} == '[') $depth++;\r
            elseif ($code{$i+1} == ']') $depth--;\r
        }\r
        break;\r
        case ']': $i = array_pop($while) - 1; break;\r
        default: echo "Unrecognized character.\n"; exit(1);\r
    }\r
}\r
\r
echo("\n\n");\r
\r
?>\r