doc-en/reference/filesystem/functions/is-executable.xml at master · php/doc-en · GitHub

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.is-executable">
 <refnamediv>
  <refname>is_executable</refname>
  <refpurpose>Tells whether the filename is executable</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>is_executable</methodname>
   <methodparam><type>string</type><parameter>filename</parameter></methodparam>
  </methodsynopsis>
  <para>
   Tells whether the filename is executable.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>filename</parameter></term>
     <listitem>
      <para>
       Path to the file.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns &true; if the filename exists and is executable, or &false; on
   error. On POSIX systems, a file is executable if the executable bit of the
   file permissions is set. For Windows, see the note below.
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  &fs.emits.warning.on.failure;
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>is_executable</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php

$file = '/home/vincent/somefile.sh';

if (is_executable($file)) {
    echo $file.' is executable';
} else {
    echo $file.' is not executable';
}

?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  &note.clearstatcache;
  &tip.fopen-wrapper.stat;
  <note>
   <simpara>
    On Windows, a file is considered executable, if it is a properly executable
    file as reported by the Win API <literal>GetBinaryType()</literal>; for BC
    reasons, files with a <filename>.bat</filename> or <filename>.cmd</filename>
    extension are also considered executable. Prior to PHP 7.4.0, any non-empty
    file with a <filename>.exe</filename> or <filename>.com</filename> extension
    was considered executable. Note that <envar>PATHEXT</envar> is irrelevant
    for <function>is_executable</function>.
   </simpara>
  </note>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>is_file</function></member>
    <member><function>is_link</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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