Simple PHP REPL script

repl.php

<?php
while(1) {
    echo "> ";
    $code = fgets(STDIN);
    try {
        $result = eval('return '.$code.";");
    } catch(ParseError $e) {
        $result = eval($code);
    }
    if($result) echo var_export($result);
    echo "\n";
}