php-doc-en/reference/phar/Phar/running.xml

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<refentry xml:id="phar.running" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>Phar::running</refname>
  <refpurpose>Returns the full path on disk or full phar URL to the currently executing Phar archive</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>final</modifier> <modifier>public</modifier> <modifier>static</modifier> <type>string</type><methodname>Phar::running</methodname>
   <methodparam choice="opt"><type>bool</type><parameter>returnPhar</parameter><initializer>&true;</initializer></methodparam>
  </methodsynopsis>

  <para>
   Returns the full path to the running phar archive.  This is intended for use much
   like the <literal>__FILE__</literal> magic constant, and only has effect inside
   an executing phar archive.
  </para>
  <para>
   Inside the stub of an archive, <function>Phar::running</function> returns
   <literal>&quot;&quot;</literal>.  Simply use <constant>__FILE__</constant>
   to access the current running phar inside a stub.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>returnPhar</parameter></term>
     <listitem>
      <para>
       If &false;, the full path on disk to the phar
       archive is returned.  If &true;, a full phar URL is returned.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>

 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the filename if valid, empty string otherwise.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>Phar::running</function> example</title>
    <para>
     For the following example, assume the phar archive is located
     at <literal>/path/to/phar/my.phar</literal>.
    </para>
    <programlisting role="php">
<![CDATA[
<?php
$a = Phar::running(); // $a is "phar:///path/to/my.phar"
$b = Phar::running(false); // $b is "/path/to/my.phar"
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
</refentry>
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