archived-doc-en/reference/filesystem/functions/fputcsv.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.fputcsv" xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude">
 <refnamediv>
  <refname>fputcsv</refname>
  <refpurpose>Format line as CSV and write to file pointer</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>int</type><type>false</type></type><methodname>fputcsv</methodname>
   <methodparam><type>resource</type><parameter>stream</parameter></methodparam>
   <methodparam><type>array</type><parameter>fields</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>separator</parameter><initializer>","</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>enclosure</parameter><initializer>"\""</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>escape</parameter><initializer>"\\"</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>eol</parameter><initializer>"\n"</initializer></methodparam>
  </methodsynopsis>
  <para>
   <function>fputcsv</function> formats a line (passed as a
   <parameter>fields</parameter> array) as <acronym>CSV</acronym> and writes it
   (terminated by a <parameter>eol</parameter>) to the specified
   <parameter>stream</parameter>.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>stream</parameter></term>
     <listitem>
      &fs.validfp.all;
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>fields</parameter></term>
     <listitem>
      <para>
       An array of <type>string</type>s.
      </para>
     </listitem>
    </varlistentry>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('function.fgetcsv')/db:refsect1[@role='parameters']//db:varlistentry[db:term[db:parameter[text()='separator']]]/.)">
     <xi:fallback/>
    </xi:include>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('function.fgetcsv')/db:refsect1[@role='parameters']//db:varlistentry[db:term[db:parameter[text()='enclosure']]]/.)">
     <xi:fallback/>
    </xi:include>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('function.fgetcsv')/db:refsect1[@role='parameters']//db:varlistentry[db:term[db:parameter[text()='escape']]]/.)">
     <xi:fallback/>
    </xi:include>
    <varlistentry>
     <term><parameter>eol</parameter></term>
     <listitem>
      <para>
       The optional <parameter>eol</parameter> parameter sets
       a custom End of Line sequence.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
  &warning.csv.escape-parameter;
  <note>
   <para>
    If an <parameter>enclosure</parameter> character is contained in a field,
    it will be escaped by doubling it, unless it is immediately preceded by an
    <parameter>escape</parameter>.
   </para>
  </note> 
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the length of the written string &return.falseforfailure;.
  </para>
 </refsect1>

 <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('function.fgetcsv')/db:refsect1[@role='errors']/.)">
  <xi:fallback/>
 </xi:include>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('function.fgetcsv')/db:refsect1[@role='changelog']//db:row[db:entry[text()='8.4.0']]/.)">
       <xi:fallback/>
      </xi:include>
      <row>
       <entry>8.1.0</entry>
       <entry>
        The optional <parameter>eol</parameter> parameter has been added.
       </entry>
      </row>
      <row>
       <entry>7.4.0</entry>
       <entry>
        The <parameter>escape</parameter> parameter now also accepts an empty
        string to disable the proprietary escape mechanism.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

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

$list = [
    ['aaa', 'bbb', 'ccc', 'dddd'],
    ['123', '456', '789'],
    ['"aaa"', '"bbb"']
];

$fp = fopen('file.csv', 'w');

foreach ($list as $fields) {
    fputcsv($fp, $fields, ',', '"', '');
}

fclose($fp);
?>
]]>
    </programlisting>
    <para>The above example will write the following to <literal>file.csv</literal>:</para>
    <screen>
<![CDATA[
aaa,bbb,ccc,dddd
123,456,789
"""aaa""","""bbb"""

]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>fgetcsv</function></member>
   <member><function>str_getcsv</function></member>
   <member><methodname>SplFileObject::fgetcsv</methodname></member>
   <member><methodname>SplFileObject::fputcsv</methodname></member>
   <member><methodname>SplFileObject::setCsvControl</methodname></member>
   <member><methodname>SplFileObject::getCsvControl</methodname></member>
  </simplelist>
 </refsect1>

</refentry>
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