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https://github.com/asika32764/php-simple-console

Single file CLI framework to help you write build scripts.
https://github.com/asika32764/php-simple-console

argument-parser argv cli cli-app cli-framework console console-application console-framework stdin

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Single file CLI framework to help you write build scripts.

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# PHP Simple Console

Single file console framework to help you write build scripts.

## Installation

Use composer:

``` bash
composer require asika/simple-console
```

Download single file: [Download Here](https://raw.githubusercontent.com/asika32764/php-simple-console/master/src/Console.php)

CLI quick download:

```shell
# WGET
wget https://raw.githubusercontent.com/asika32764/php-simple-console/master/src/Console.php
chmod +x Console.php

# CURL
curl https://raw.githubusercontent.com/asika32764/php-simple-console/master/src/Console.php -o Console.php
chmod +x Console.php
```

## Getting Started

Use closure

``` php
#!/bin/sh php
execute(function (\Asika\SimpleConsole\Console $app)
{
// PHP 5.3
$app->out('Hello');

// PHP 5.4 or higher use $this
$this->out('Hello');

// Return TRUE will auto convert to 0 exitcode.
return true;
});
```

Or Create your own class.

``` php
class Build extends \Asika\SimpleConsole\Console
{
protected $help = <<

[Options]
h | help Show help information
v Show more debug information.
HELP;

protected function doExecute ()
{
$this->out('Hello');

// Return TRUE will auto convert to 0 exitcode.
return true;
}
}

$app = new Build;
$app->execute();
```

## Show HELP

Add `-h` or `--help` to show usage, you can add custom usage to `$this->help`, or override `$this->getHelp()`.

If you want to change `h` and `help` option, override `$this->helpOptions = array('...')`.

## Handle Error

Just throw Exception in `doExecute()`, Console will auto catch error.

``` php
throw new \RuntimeException('...');
```

Add `-v` to show backtrace if error.

## Handle Wrong Arguments

Wrong Argument use `\Asika\SimpleConsole\CommandArgsException`

``` php
$arg = $this->getArgument(0);

if (!$arg)
{
throw new \Asika\SimpleConsole\CommandArgsException('Please enter a name.');
}
```

Console will auto show help information.

``` bash
[Warning] Please enter a name.

[Usage] console.php

[Options]
h | help Show help info.
v Show more debug information.
```

## Multiple Commands

Use `delegate()` to delegate to different methods.

``` php
//...

protected function doExecute()
{
return $this->delegate($this->getArgument(0));
}

protected function foo()
{
$this->getArgument(1); // bar
}

protected function baz()
{
// ...
}
```

Now you can add sub commands

``` bash
php console.php foo bar
php console.php baz
```

If you want to strip first argument after delgated, you can follow this code:

``` php
$this->delegate(array_shift($this->args));
```

Now can use `getArgument(0)` in sub method and ignore the first command name.

The is another way:

``` php
$command = array_shift($this->args);

$this->delegate($command, ...$this->args);
```

``` php
protected function foo($first, $second = null)
{
}
```

## API

### `getArgument($order[, $default = null])`

``` php
$first = $this->getArgument(0, 'default value');
```

### `setArgument($order, $$value)`

``` php
$this->setArgument(1, 'value');
```

### `getOption($name: array|string[, $default = null])`

Get option `--foo`

``` php
$this->getOption('foo');
```

Get option `-f` or `--foo`, first match will return.

``` php
$this->getOption(array('f', 'foo'));
```

> NOTE:
> `-abc` will convert to `a => 1, b => 1, c => 1`
> And `-vvv` will convert to `v => 3`

### `setOption($name, $value)`

Set otpion to toption list. `$name` also support array.

### `out($string[, $newline: bool = false])`

Write to STDOUT,

``` bash
$this->out('Hello')->out('World');
```

### `err($string[, $newline: bool = false])`

Write to STDERR

``` bash
$this->err('Hello')->err('World');
```

### `in($string[$default = null, $bool = false)`

Ask a question, read from STDIN

``` bash
$un = $this->in('Please enter username: ', 'default_name');
```

Read as boolean, add true to third argument:

``` bash
$bool = $this->in('Are you sure? [Y/n]', [default true/false], true);
```

- `yes, y, 1, true` will convert to `TRUE`
- `no, n, 0, false` will convert to `FALSE`

### `exec($cmd)`

A proxy to execute a cmd by `exec()` and return value.

It will add a title `>> {your command}` before exec so you will know what has been executed.