mirror of
https://github.com/sigmasternchen/php-doc-en
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a3051835f7
* Aligned wording * Explicitely list columns to make it obvious where the number comes from Closes GH-892.
116 lines
2.9 KiB
XML
116 lines
2.9 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="mysqli-result.field-count" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>mysqli_result::$field_count</refname>
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<refname>mysqli_num_fields</refname>
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<refpurpose>Gets the number of fields in the result set</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<para>&style.oop;</para>
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<fieldsynopsis><type>int</type><varname linkend="mysqli-result.field-count">mysqli_result->field_count</varname></fieldsynopsis>
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<para>&style.procedural;</para>
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<methodsynopsis>
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<type>int</type><methodname>mysqli_num_fields</methodname>
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<methodparam><type>mysqli_result</type><parameter>result</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the number of fields in the result set.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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&mysqli.result.description;
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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An <type>int</type> representing the number of fields.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title>&style.oop;</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
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$result = $mysqli->query("SELECT Name, CountryCode, District, Population FROM City ORDER BY ID LIMIT 1");
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/* Get the number of fields in the result set */
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$field_cnt = $result->field_count;
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printf("Result set has %d fields.\n", $field_cnt);
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]]>
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</programlisting>
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</example>
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<example>
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<title>&style.procedural;</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$link = mysqli_connect("localhost", "my_user", "my_password", "world");
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$result = mysqli_query($link, "SELECT Name, CountryCode, District, Population FROM City ORDER BY ID LIMIT 1");
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/* Get the number of fields in the result set */
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$field_cnt = mysqli_num_fields($result);
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printf("Result set has %d fields.\n", $field_cnt);
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]]>
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</programlisting>
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&examples.outputs;
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<screen>
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<![CDATA[
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Result set has 4 fields.
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]]>
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</screen>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>mysqli_fetch_field</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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