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<p>maxdb_num_fields
<LINK TITLE="MaxDB PHP Extension" HREF="ref.maxdb.html"><LINK TITLE="maxdb_next_result" HREF="function.maxdb-next-result.html"><LINK TITLE="maxdb_num_rows" HREF="function.maxdb-num-rows.html">
<p><a href="function.maxdb-next-result.html">Пред.</a>
<p><a href="function.maxdb-num-rows.html">След.</a>
<p><h1><a name="function.maxdb-num-fields"></a>maxdb_num_fields</h1><div><a name="AEN76269"></a>
<p>(PECL)maxdb_num_fields
<p>(no version information, might be only in CVS)result-&#62;field_count --
<p>Get the number of fields in a result
<p></div><div><a name="AEN76273"></a><h2>Description</h2>
<p>Procedural style:int maxdb_num_fields (resource result)
<p>Object oriented style (property):class <B CLASS="classname">result {
<p>int field_count
<p>}
<p>- maxdb_num_fields() returns the number of fields from specified result set.
<p></div><div><a name="AEN76291"></a><h2>Возвращаемые значения</h2>
<p>The number of fields from a result set</div><div><a name="AEN76294"></a><h2>Смотрите также</h2>
<p>- <a href="function.maxdb-fetch-field.html">maxdb_fetch_field()</a>
<p></div><div><a name="AEN76298"></a><h2>Example</h2><table><tr><td><DIV><a name="AEN76300"></a>
<p>Пример 1. Object oriented style<table><tr><td><code>
<p>&lt;?php
<p>$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
<p>
<p>/* check connection */
<p>if (maxdb_connect_errno()) {
<p>printf("Connect failed: %s\n", maxdb_connect_error());
<p>exit();
<p>}
<p>
<p>if ($result = $maxdb->query("SELECT * FROM hotel.city ORDER BY zip")) {
<p>
<p>/* determine number of fields in result set */
<p>$field_cnt = $result->field_count;
<p>
<p>printf("Result set has %d fields.\n", $field_cnt);
<p>
<p>/* close result set */
<p>$result->close();
<p>}
<p>
<p>/* close connection */
<p>$maxdb->close();
<p>?>
<p>
<p></code></TABLE></div></TABLE><table><tr><td><DIV><a name="AEN76303"></a>
<p>Пример 2. Procedural style<table><tr><td><code>
<p>&lt;?php
<p>$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
<p>
<p>/* check connection */
<p>if (maxdb_connect_errno()) {
<p>printf("Connect failed: %s\n", maxdb_connect_error());
<p>exit();
<p>}
<p>
<p>if ($result = maxdb_query($link, "SELECT * FROM hotel.city ORDER BY zip")) {
<p>
<p>/* determine number of fields in result set */
<p>$field_cnt = maxdb_num_fields($result);
<p>
<p>printf("Result set has %d fields.\n", $field_cnt);
<p>
<p>/* close result set */
<p>maxdb_free_result($result);
<p>}
<p>
<p>/* close connection */
<p>maxdb_close($link);
<p>?>
<p>
<p></code></TABLE></div></TABLE>
<p>- The above examples would produce the following output:
<p><table><tr><td><PRE>Result set has 3 fields.</PRE></TABLE></div>
<p><a href="function.maxdb-next-result.html">Пред.</a>
<p><a href="index.html">Начало</a>
<p><a href="function.maxdb-num-rows.html">След.</a>
<p>maxdb_next_result
<p><a href="ref.maxdb.html">Уровень выше</a>
<p>maxdb_num_rows
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