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Clinner_Command_Command.html
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<title>Command</title>
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<body>
<div id="container">
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<table cellpadding="0" cellspacing="0">
<thead>
<tr>
<th class="docs">
<h1>Command</h1>
</th>
<th class="code"></th>
</tr>
</thead>
<tbody>
<tr id="section-0">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-0">¶</a>
</div>
</td>
<td class="code">
<div class="highlight"><pre><div class="highlight"><pre><span class="cp"><?php</span>
</pre></div> </td>
</tr>
<tr id="section-1">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-1">¶</a>
</div>
<p>This file is part of the Clinner library.</p>
<p>(c) José Nahuel Cuesta Luengo <a href="mailto:nahuelcuestaluengo@gmail.com">nahuelcuestaluengo@gmail.com</a></p>
<p>For the full copyright and license information, please view the LICENSE
file that was distributed with this source code.</p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">namespace</span> <span class="nx">Clinner\Command</span><span class="p">;</span>
<span class="k">use</span> <span class="nx">Clinner\ValueHolder</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-2">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-2">¶</a>
</div>
<p>Command class.
Command abstraction class that allows running any command with a given set of arguments.</p>
<p>Usage examples:</p>
<pre><code> Run `ls -l -a` in the current directory
`$command` = new \Clinner\Command\Command(
'ls',
array('-l', '-a')
);
`$command`->run();
echo `$command`->getExitCode();
echo `$command`->getOutput();
This example is equivalent to the one above
`$command` = \Clinner\Command\Command::create(
'ls',
array('-l', '-a')
)
->run();
echo `$command`->getExitCode();
echo `$command`->getOutput();
</code></pre>
<p>You can also pipe commands, just like in a command-line interface:</p>
<pre><code> use \Clinner\Command\Command;
`$grepCommand` = Command::create(
'grep',
array('-v' => '^#'),
array('delimiter' => ' ')
);
`$cutCommand` = Command::create(
'cut',
array('-d' => ':', '-f' => 1),
array('delimiter' => '')
);
`$systemUsers` = Command::create(
'cat',
array('/etc/passwd')
)
->pipe(
`$grepCommand`->pipe(
`$cutCommand`
)
)
->run()
->getOutputAsArray("\n");
</code></pre>
<p>This class may take the following options:</p>
<ul>
<li><code>delimiter</code> (<code>string</code>): A string that will be put in key-value pairs of arguments to separate the key
from its value. Defaults to '='.</li>
</ul>
<p><em class="docparam">@author</em> José Nahuel Cuesta Luengo <a href="mailto:nahuelcuestaluengo@gmail.com">nahuelcuestaluengo@gmail.com</a></p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">class</span> <span class="nc">Command</span> <span class="k">implements</span> <span class="nx">CommandInterface</span><span class="p">,</span> <span class="nx">PipingCommandInterface</span><span class="p">,</span> <span class="nx">PipeableCommandInterface</span>
<span class="p">{</span>
<span class="k">const</span> <span class="no">DEFAULT_DELIMITER</span> <span class="o">=</span> <span class="s1">'='</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-3">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-3">¶</a>
</div>
<p>The name of the command.</p>
<p><em class="docparam">@var</em> <code>string</code> </p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">private</span> <span class="nv">$_name</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-4">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-4">¶</a>
</div>
<p>Arguments supplied for this command.</p>
<p><em class="docparam">@var</em> <code>\Clinner\ValueHolder</code> </p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">private</span> <span class="nv">$_arguments</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-5">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-5">¶</a>
</div>
<p>Options supplied for this command.</p>
<p><em class="docparam">@var</em> <code>\Clinner\ValueHolder</code> </p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">private</span> <span class="nv">$_options</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-6">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-6">¶</a>
</div>
<p>A command piped to this one, if any.</p>
<p><em class="docparam">@var</em> <code>\Clinner\Command\PipeableCommandInterface</code> </p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">private</span> <span class="nv">$_next</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-7">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">¶</a>
</div>
<p>Exit code for this command.
This value will only be set after it has been run.</p>
<p><em class="docparam">@var</em> <code>int</code> </p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">private</span> <span class="nv">$_exitCode</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-8">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-8">¶</a>
</div>
<p>Output for this command.
This value will only be set after it has been run.</p>
<p><em class="docparam">@var</em> <code>string</code> </p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">private</span> <span class="nv">$_output</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-9">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-9">¶</a>
</div>
<p>Error output for this command.
This value will only be set after it has been run.</p>
<p><em class="docparam">@var</em> <code>string</code> </p>
</td>
<td class="code">
<div class="highlight"><pre>
<span class="k">private</span> <span class="nv">$_errorOutput</span><span class="p">;</span>
</pre></div> </td>
</tr>
<tr id="section-10">
<td class="docs">
<div class="pilwrap">
<a class="pilcrow" href="#section-10">¶</a>
</div>
<p>Factory method for creating new Commands and allowing to take advantage of the
fluent API provided by this class.</p>
<p><em class="docparam">@param</em> <code>string</code> <code>$name</code> The name of the command.</p>
<p><em class="docparam">@param</em> <code>array|\Clinner\ValueHolder</code> <code>$arguments</code> (Optional) arguments for the command.</p>
<p><em class="docparam">@param</em> <code>array|\Clinner\ValueHolder</code> <code>$options</code> (Optional) options for the command.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\Command</code> </p>
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<span class="k">static</span> <span class="k">public</span> <span class="k">function</span> <span class="nf">create</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$arguments</span> <span class="o">=</span> <span class="k">array</span><span class="p">(),</span> <span class="nv">$options</span> <span class="o">=</span> <span class="k">array</span><span class="p">())</span>
<span class="p">{</span>
<span class="k">return</span> <span class="k">new</span> <span class="k">static</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$arguments</span><span class="p">,</span> <span class="nv">$options</span><span class="p">);</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Factory method for creating new Commands from their string representation,
as if they were being run from the command line. If no valid commands are
found, a NullCommand will be returned.
For example:
<code>
<code>$command</code> = Command::fromString('cat /etc/hosts | grep localhost');
</code>
Is roughly equivalent to:
<code>
<code>$command</code> = Command::create('cat', array('/etc/hosts'))
->pipe(Command::create('grep', array('localhost')));
</code></p>
<p><em class="docparam">@param</em> <code>string</code> <code>$commandString</code> The command string to parse.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\CommandInterface</code> </p>
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<span class="k">static</span> <span class="k">public</span> <span class="k">function</span> <span class="nf">fromString</span><span class="p">(</span><span class="nv">$commandString</span><span class="p">)</span>
<span class="p">{</span>
<span class="nv">$splitCommands</span> <span class="o">=</span> <span class="nb">array_map</span><span class="p">(</span>
<span class="k">function</span><span class="p">(</span><span class="nv">$str</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="nx">trim</span><span class="p">(</span><span class="nv">$str</span><span class="p">);</span> <span class="p">},</span>
<span class="nb">explode</span><span class="p">(</span><span class="nx">self</span><span class="o">::</span><span class="na">PIPE</span><span class="p">,</span> <span class="nv">$commandString</span><span class="p">)</span>
<span class="p">);</span>
<span class="nv">$command</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">NullCommand</span><span class="p">();</span>
<span class="k">foreach</span> <span class="p">(</span><span class="nv">$splitCommands</span> <span class="k">as</span> <span class="nv">$rawCommand</span><span class="p">)</span> <span class="p">{</span>
<span class="nv">$command</span> <span class="o">=</span> <span class="nv">$command</span><span class="o">-></span><span class="na">pipe</span><span class="p">(</span><span class="k">static</span><span class="o">::</span><span class="na">parse</span><span class="p">(</span><span class="nv">$rawCommand</span><span class="p">));</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nv">$command</span><span class="p">;</span>
<span class="p">}</span>
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<p>Parse a command from a string representation and return the resulting
object.
If no valid command is found, a NullCommand will be returned.</p>
<p><em class="docparam">@param</em> <code>string</code> <code>$commandString</code> The command string to parse.</p>
<p><em class="docparam">@param</em> <code>array</code> <code>$options</code> (Optional) options for the command.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\CommandInterface</code> </p>
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<span class="k">static</span> <span class="k">protected</span> <span class="k">function</span> <span class="nf">parse</span><span class="p">(</span><span class="nv">$commandString</span><span class="p">,</span> <span class="nv">$options</span> <span class="o">=</span> <span class="k">array</span><span class="p">())</span>
<span class="p">{</span>
<span class="nv">$members</span> <span class="o">=</span> <span class="nb">array_filter</span><span class="p">(</span><span class="nb">explode</span><span class="p">(</span><span class="s1">' '</span><span class="p">,</span> <span class="nv">$commandString</span><span class="p">));</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="k">empty</span><span class="p">(</span><span class="nv">$members</span><span class="p">))</span> <span class="p">{</span>
<span class="nv">$commandName</span> <span class="o">=</span> <span class="nb">array_shift</span><span class="p">(</span><span class="nv">$members</span><span class="p">);</span>
<span class="k">return</span> <span class="k">new</span> <span class="nx">Command</span><span class="p">(</span><span class="nv">$commandName</span><span class="p">,</span> <span class="nv">$members</span><span class="p">,</span> <span class="nv">$options</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">return</span> <span class="k">new</span> <span class="nx">NullCommand</span><span class="p">();</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Constructor.</p>
<p><em class="docparam">@param</em> <code>string</code> <code>$name</code> The name of the command.</p>
<p><em class="docparam">@param</em> <code>array|\Clinner\ValueHolder</code> <code>$arguments</code> (Optional) arguments for the command.</p>
<p><em class="docparam">@param</em> <code>array|\Clinner\ValueHolder</code> <code>$options</code> (Optional) options for the command.</p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">__construct</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$arguments</span> <span class="o">=</span> <span class="k">array</span><span class="p">(),</span> <span class="nv">$options</span> <span class="o">=</span> <span class="k">array</span><span class="p">())</span>
<span class="p">{</span>
<span class="nv">$this</span>
<span class="o">-></span><span class="na">setName</span><span class="p">(</span><span class="nv">$name</span><span class="p">)</span>
<span class="o">-></span><span class="na">setArguments</span><span class="p">(</span><span class="nv">$arguments</span><span class="p">)</span>
<span class="o">-></span><span class="na">setOptions</span><span class="p">(</span><span class="nv">$options</span><span class="p">);</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Get the name of this command.</p>
<p><em class="docparam">@return</em> <code>string</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getName</span><span class="p">()</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_name</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Set the name of this command to <code>$name</code>.</p>
<p><em class="docparam">@param</em> <code>string</code> <code>$name</code> The name to set.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\Command</code> This instance, for a fluent API.</p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">setName</span><span class="p">(</span><span class="nv">$name</span><span class="p">)</span>
<span class="p">{</span>
<span class="nv">$this</span><span class="o">-></span><span class="na">_name</span> <span class="o">=</span> <span class="nv">$name</span><span class="p">;</span>
<span class="k">return</span> <span class="nv">$this</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Get the arguments for this command as a ValueHolder.</p>
<p><em class="docparam">@return</em> <code>\Clinner\ValueHolder</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getArguments</span><span class="p">()</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_arguments</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Set this command's arguments as a whole.
<code>$arguments</code> might either be an array or a ValueHolder.</p>
<p><em class="docparam">@see</em> \Clinner\ValueHolder::create()</p>
<p><em class="docparam">@param</em> <code>\Clinner\ValueHolder|array</code> <code>$arguments</code> The arguments for this command.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\Command</code> This instance, for a fluent API.</p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">setArguments</span><span class="p">(</span><span class="nv">$arguments</span><span class="p">)</span>
<span class="p">{</span>
<span class="nv">$this</span><span class="o">-></span><span class="na">_arguments</span> <span class="o">=</span> <span class="nx">ValueHolder</span><span class="o">::</span><span class="na">create</span><span class="p">(</span><span class="nv">$arguments</span><span class="p">);</span>
<span class="k">return</span> <span class="nv">$this</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Get the options for this command as a ValueHolder.</p>
<p><em class="docparam">@return</em> <code>\Clinner\ValueHolder</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getOptions</span><span class="p">()</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_options</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Set this command's options as a whole.
<code>$options</code> might either be an array or a ValueHolder.</p>
<p><em class="docparam">@see</em> \Clinner\ValueHolder::create()</p>
<p><em class="docparam">@param</em> <code>\Clinner\ValueHolder|array</code> <code>$options</code> The options for this command.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\Command</code> This instance, for a fluent API.</p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">setOptions</span><span class="p">(</span><span class="nv">$options</span><span class="p">)</span>
<span class="p">{</span>
<span class="nv">$this</span><span class="o">-></span><span class="na">_options</span> <span class="o">=</span> <span class="nx">ValueHolder</span><span class="o">::</span><span class="na">create</span><span class="p">(</span><span class="nv">$options</span><span class="p">);</span>
<span class="k">return</span> <span class="nv">$this</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Get a single option value for this command, optionally providing a default value
for it.</p>
<p><em class="docparam">@see</em> \Clinner\ValueHolder::get()</p>
<p><em class="docparam">@param</em> <code>string</code> <code>$name</code> The name of the option.</p>
<p><em class="docparam">@param</em> <code>mixed</code> <code>$default</code> The default value for the option, in case it isn't set.</p>
<p><em class="docparam">@return</em> <code>mixed</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getOption</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$default</span> <span class="o">=</span> <span class="k">null</span><span class="p">)</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_options</span><span class="o">-></span><span class="na">get</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$default</span><span class="p">);</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Set a single option for this command.</p>
<p><em class="docparam">@param</em> <code>string</code> <code>$name</code> Name of the option to set.</p>
<p><em class="docparam">@param</em> <code>mixed</code> <code>$value</code> Value for that option.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\Command</code> This instance, for a fluent API.</p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">setOption</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$value</span><span class="p">)</span>
<span class="p">{</span>
<span class="nv">$this</span><span class="o">-></span><span class="na">_options</span><span class="o">-></span><span class="na">set</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$value</span><span class="p">);</span>
<span class="k">return</span> <span class="nv">$this</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Get the command piped to this one, if any.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\PipeableCommandInterface</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getPipedCommand</span><span class="p">()</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_next</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Pipe <code>$anotherCommand</code> to this one, so that this command's output is directly
sent to <code>$anotherCommand</code>'s standard input.</p>
<p><em class="docparam">@param</em> <code>\Clinner\Command\PipeableCommandInterface</code> <code>$anotherCommand</code> The command to pipe.</p>
<p><em class="docparam">@param</em> <code>bool</code> <code>$appendToPipe</code> Whether <code>$anotherCommand</code> will be appended to
the currently piped commands (TRUE) or if it
will be added after this command, rearranging
the commands pipe to include it.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\PipingCommandInterface</code> This instance, for a fluent API.</p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">pipe</span><span class="p">(</span><span class="nx">PipeableCommandInterface</span> <span class="nv">$anotherCommand</span><span class="p">,</span> <span class="nv">$appendToPipe</span> <span class="o">=</span> <span class="k">true</span><span class="p">)</span>
<span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nv">$anotherCommand</span> <span class="nx">instanceof</span> <span class="nx">NullCommand</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nv">$this</span> <span class="o">===</span> <span class="nv">$anotherCommand</span><span class="p">)</span> <span class="p">{</span>
</pre></div> </td>
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<p>Cannot pipe a command to itself, need to clone it</p>
</td>
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<span class="nv">$anotherCommand</span> <span class="o">=</span> <span class="k">clone</span> <span class="nv">$anotherCommand</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nv">$appendToPipe</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">hasPipedCommand</span><span class="p">())</span> <span class="p">{</span>
<span class="nv">$this</span><span class="o">-></span><span class="na">_next</span><span class="o">-></span><span class="na">pipe</span><span class="p">(</span><span class="nv">$anotherCommand</span><span class="p">,</span> <span class="k">true</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nv">$this</span><span class="o">-></span><span class="na">_next</span> <span class="o">=</span> <span class="nv">$anotherCommand</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">hasPipedCommand</span><span class="p">())</span> <span class="p">{</span>
</pre></div> </td>
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<p>Rearrange the commands pipe</p>
</td>
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<span class="nv">$anotherCommand</span><span class="o">-></span><span class="na">pipe</span><span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">_next</span><span class="p">,</span> <span class="k">false</span><span class="p">);</span>
<span class="p">}</span>
<span class="nv">$this</span><span class="o">-></span><span class="na">_next</span> <span class="o">=</span> <span class="nv">$anotherCommand</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nv">$this</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Answer whether this command has a command piped to it.</p>
<p><em class="docparam">@return</em> <code>bool</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">hasPipedCommand</span><span class="p">()</span>
<span class="p">{</span>
<span class="k">return</span> <span class="k">null</span> <span class="o">!==</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_next</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Get the exit code for this command.</p>
<p><em class="docparam">@return</em> <code>int</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getExitCode</span><span class="p">()</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_exitCode</span><span class="p">;</span>
<span class="p">}</span>
</pre></div> </td>
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<p>Get this command's output.</p>
<p><em class="docparam">@return</em> <code>string</code> </p>
</td>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getOutput</span><span class="p">()</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_output</span><span class="p">;</span>
<span class="p">}</span>
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<p>Get the error output for this command.</p>
<p><em class="docparam">@return</em> <code>string</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getErrorOutput</span><span class="p">()</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_errorOutput</span><span class="p">;</span>
<span class="p">}</span>
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<p>Get the output of this command as an array, splitting it with a given <code>$delimiter</code>.
If no output has been generated by this command, an empty array will be returned.</p>
<p><em class="docparam">@see</em> explode</p>
<p><em class="docparam">@param</em> <code>string</code> <code>$delimiter</code> The boundary string.</p>
<p><em class="docparam">@return</em> <code>array</code> </p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">getOutputAsArray</span><span class="p">(</span><span class="nv">$delimiter</span> <span class="o">=</span> <span class="s1">' '</span><span class="p">)</span>
<span class="p">{</span>
<span class="k">return</span> <span class="nb">array_values</span><span class="p">(</span>
<span class="nb">array_filter</span><span class="p">(</span>
<span class="nb">explode</span><span class="p">(</span><span class="nv">$delimiter</span><span class="p">,</span> <span class="nb">strval</span><span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">_output</span><span class="p">))</span>
<span class="p">)</span>
<span class="p">);</span>
<span class="p">}</span>
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<p>Run this command with the given <code>$input</code>.
If this command has any other command piped to it, the other command
will also be run as well, with this command's output as its input.</p>
<p><em class="docparam">@param</em> <code>string</code> <code>$input</code> (Optional) input for this command.</p>
<p><em class="docparam">@return</em> <code>\Clinner\Command\Command</code> This instance, for a fluent API.</p>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">run</span><span class="p">(</span><span class="nv">$input</span> <span class="o">=</span> <span class="k">null</span><span class="p">)</span>
<span class="p">{</span>
<span class="nv">$this</span><span class="o">-></span><span class="na">_exitCode</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">_run</span><span class="p">(</span><span class="nv">$input</span><span class="p">);</span>
<span class="k">return</span> <span class="nv">$this</span><span class="p">;</span>
<span class="p">}</span>