php-doc-en/reference/pdf/functions/pdf-stringwidth.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.pdf-stringwidth">
   <refnamediv>
    <refname>pdf_stringwidth</refname>
    <refpurpose>Return width of text</refpurpose>
   </refnamediv>
   <refsect1 role="description">
    &reftitle.description;
     <methodsynopsis>
      <type>float</type><methodname>pdf_stringwidth</methodname>
      <methodparam><type>resource</type><parameter>p</parameter></methodparam>
      <methodparam><type>string</type><parameter>text</parameter></methodparam>
      <methodparam><type>int</type><parameter>font</parameter></methodparam>
      <methodparam><type>float</type><parameter>fontsize</parameter></methodparam>
     </methodsynopsis>
    <para>
      Returns the width of <parameter>text</parameter> in an arbitrary font, using the parameters
      <parameter>font</parameter> and <parameter>fontsize</parameter>.
      <parameter>font</parameter> is a font handle returned
      by <function>pdf_load_font</function>.
    </para>
   <para>
    See also <function>pdf_load_font</function>.
   </para>
   </refsect1>
  </refentry>

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