odbc-field-len.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.odbc-field-len" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>odbc_field_len</refname>
  <refpurpose>Get the length (precision) of a field</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>odbc_field_len</methodname>
   <methodparam><type>resource</type><parameter>result_id</parameter></methodparam>
   <methodparam><type>int</type><parameter>field_number</parameter></methodparam>
  </methodsynopsis>
  <para>
   Gets the length of the field referenced by number in the given result
   identifier.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>result_id</parameter></term>
     <listitem>
      <para>
       The result identifier.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>field_number</parameter></term>
     <listitem>
      <para>
       The field number. Field numbering starts at 1.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the field length, or &false; on error.
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>odbc_field_scale</function> to get the scale of a
    floating point number</member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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