bash command record and play

faker-bash.php

#!/usr/bin/env php
<?php
if (!isset($argv[1])) {
    $mode = 'record';
} else if (in_array($argv[1], ['record', 'play'])) {
    $mode = $argv[1];
} else {
    fwrite(\STDERR, "first parameter must be record or play.\n");
    exit(-1);
}

// load fakerObject
$fakerObject = [];

if (file_exists("faker.cached.php")) {
    $fakerObject = require "faker.cached.php";
}

if ($mode === 'record') {
    fwrite(\STDOUT, "Record Mode...\n$ ");
    while ('exit' !== $read = trim(fread(\STDIN, 100))) {
        exec("script -q /dev/null {$read} > faker.output");
        fwrite(\STDOUT, $output = file_get_contents('./faker.output'));
        $fakerObject[$read] = $output;
        file_put_contents(
            'faker.cached.php',
            '<?php return ' . var_export($fakerObject, true). ';'
        );
        fwrite(\STDOUT, '$ ');
    }
} else {
    fwrite(\STDOUT, "Play Mode...\n$ ");
    while ('exit' !== $read = trim(fread(\STDIN, 100))) {
        if (isset($fakerObject[$read])) {
            fwrite(\STDOUT, $fakerObject[$read]);
        } else {
            fwrite(\STDERR, "\"{$read}\" is not exists!\n");
        }
        fwrite(\STDOUT, '$ ');
    }
}