str-getcsv.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.str-getcsv" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>str_getcsv</refname>
  <refpurpose>
   Parse a CSV string into an array
  </refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>array</type><methodname>str_getcsv</methodname>
   <methodparam><type>string</type><parameter>string</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>
  </methodsynopsis>
  <para>
   Parses a string input for fields in <acronym>CSV</acronym> format
   and returns an array containing the fields read.
  </para>
  <note>
   <para>
    The locale settings are taken into account by this function. If
    <literal>LC_CTYPE</literal> is e.g. <literal>en_US.UTF-8</literal>, strings in
    one-byte encodings may be read wrongly by this function.
   </para>
  </note>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>string</parameter></term>
     <listitem>
      <para>
       The string to parse.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>separator</parameter></term>
     <listitem>
      <para>
       Set the field delimiter (one single-byte character only).
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>enclosure</parameter></term>
     <listitem>
      <para>
       Set the field enclosure character (one single-byte character only).
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>escape</parameter></term>
     <listitem>
      <para>
       Set the escape character (at most one single-byte character). Defaults as a backslash
       (<literal>\</literal>)
       An empty string (<literal>""</literal>) disables the proprietary escape mechanism.
      </para>
      <note>
       <simpara>
        Usually an <parameter>enclosure</parameter> character is escaped inside
        a field by doubling it; however, the <parameter>escape</parameter>
        character can be used as an alternative. So for the default parameter
        values <literal>""</literal> and <literal>\"</literal> have the same
        meaning. Other than allowing to escape the
        <parameter>enclosure</parameter> character the
        <parameter>escape</parameter> character has no special meaning; it isn't
        even meant to escape itself.
       </simpara>
      </note>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns an indexed array containing the fields read.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>7.4.0</entry>
       <entry>
        The <parameter>escape</parameter> parameter now interprets an empty
        string as signal to disable the proprietary escape mechanism. Formerly,
        an empty string was treated like the default parameter value.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

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

$string = 'PHP,Java,Python,Kotlin,Swift';
$data = str_getcsv($string);

var_dump($data);
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
array(5) {
  [0]=>
  string(3) "PHP"
  [1]=>
  string(4) "Java"
  [2]=>
  string(6) "Python"
  [3]=>
  string(6) "Kotlin"
  [4]=>
  string(5) "Swift"
}
]]>
    </screen>
   </example>
  </para>
 </refsect1>

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