php-doc-en/reference/strings/functions/wordwrap.xml

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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.wordwrap">
 <refnamediv>
  <refname>wordwrap</refname>
  <refpurpose>Wraps a string to a given number of characters</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>wordwrap</methodname>
   <methodparam><type>string</type><parameter>str</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>width</parameter><initializer>75</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>break</parameter><initializer>"\n"</initializer></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>cut</parameter><initializer>false</initializer></methodparam>
  </methodsynopsis>
  <para>
   Wraps a string to a given number of characters using a string break
   character.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>str</parameter></term>
     <listitem>
      <para>
       The input string.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>width</parameter></term>
     <listitem>
      <para>
       The number of characters at which the string will be wrapped.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>break</parameter></term>
     <listitem>
      <para>
       The line is broken using the optional
       <parameter>break</parameter> parameter.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>cut</parameter></term>
     <listitem>
      <para>
       If the <parameter>cut</parameter> is set to &true;, the string is
       always wrapped at or before the specified <parameter>width</parameter>.  So if you have
       a word that is larger than the given width, it is broken apart.
       (See second example). When &false; the function does not split the word
       even if the <parameter>width</parameter> is smaller than the word width.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the given string wrapped at the specified length.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>wordwrap</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$text = "The quick brown fox jumped over the lazy dog.";
$newtext = wordwrap($text, 20, "<br />\n");

echo $newtext;
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
The quick brown fox<br />
jumped over the lazy<br />
dog.
]]>
    </screen>
   </example>
   <example>
    <title><function>wordwrap</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$text = "A very long woooooooooooord.";
$newtext = wordwrap($text, 8, "\n", true);

echo "$newtext\n";
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
A very
long
wooooooo
ooooord.
]]>
    </screen>
   </example>
   <example>
    <title><function>wordwrap</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$text = "A very long woooooooooooooooooord. and something";
$newtext = wordwrap($text, 8, "\n", false);

echo "$newtext\n";
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
A very
long
woooooooooooooooooord.
and
something
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>nl2br</function></member>
    <member><function>chunk_split</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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