<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Get a row as an enumerated array</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="function.pg-fetch-result.html">pg_fetch_result</a></div>
<div class="next" style="text-align: right; float: right;"><a href="function.pg-field-is-null.html">pg_field_is_null</a></div>
<div class="up"><a href="ref.pgsql.html">PostgreSQL Functions</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="function.pg-fetch-row" class="refentry">
<div class="refnamediv">
<h1 class="refname">pg_fetch_row</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">pg_fetch_row</span> — <span class="dc-title">Get a row as an enumerated array</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.pg-fetch-row-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>pg_fetch_row</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$row</code></span>
] )</div>
<p class="para rdfs-comment">
<span class="function"><strong>pg_fetch_row()</strong></span> fetches one row of data from
the result associated with the specified
<em><code class="parameter">result</code></em> resource.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">This function sets NULL fields to
the PHP <strong><code>NULL</code></strong> value.</span></p></blockquote>
</div>
<div class="refsect1 parameters" id="refsect1-function.pg-fetch-row-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">result</code></em></span>
<dd>
<p class="para">
PostgreSQL query result resource, returned by <span class="function"><a href="function.pg-query.html" class="function">pg_query()</a></span>,
<span class="function"><a href="function.pg-query-params.html" class="function">pg_query_params()</a></span> or <span class="function"><a href="function.pg-execute.html" class="function">pg_execute()</a></span>
(among others).
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">row</code></em></span>
<dd>
<p class="para">
Row number in result to fetch. Rows are numbered from 0 upwards. If
omitted or <strong><code>NULL</code></strong>, the next row is fetched.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.pg-fetch-row-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
An <span class="type"><a href="language.types.array.html" class="type array">array</a></span>, indexed from 0 upwards, with each value
represented as a <span class="type"><a href="language.types.string.html" class="type string">string</a></span>. Database <em>NULL</em>
values are returned as <strong><code>NULL</code></strong>.
</p>
<p class="para">
<strong><code>FALSE</code></strong> is returned if <em><code class="parameter">row</code></em> exceeds the number
of rows in the set, there are no more rows, or on any other error.
</p>
</div>
<div class="refsect1 changelog" id="refsect1-function.pg-fetch-row-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>4.1.0</td>
<td>
The parameter <em><code class="parameter">row</code></em> became optional.
</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.pg-fetch-row-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-2070">
<p><strong>Example #1 <span class="function"><strong>pg_fetch_row()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_pconnect</span><span style="color: #007700">(</span><span style="color: #DD0000">"dbname=publisher"</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"An error occurred.\n"</span><span style="color: #007700">;<br /> exit;<br />}<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"SELECT author, email FROM authors"</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$result</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"An error occurred.\n"</span><span style="color: #007700">;<br /> exit;<br />}<br /><br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_fetch_row</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"Author: </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]</span><span style="color: #DD0000"> E-mail: </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]</span><span style="color: #DD0000">"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"<br />\n"</span><span style="color: #007700">;<br />}<br /> <br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.pg-fetch-row-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.pg-query.html" class="function" rel="rdfs-seeAlso">pg_query()</a> - Execute a query</span></li>
<li class="member"> <span class="function"><a href="function.pg-fetch-array.html" class="function" rel="rdfs-seeAlso">pg_fetch_array()</a> - Fetch a row as an array</span></li>
<li class="member"> <span class="function"><a href="function.pg-fetch-object.html" class="function" rel="rdfs-seeAlso">pg_fetch_object()</a> - Fetch a row as an object</span></li>
<li class="member"> <span class="function"><a href="function.pg-fetch-result.html" class="function" rel="rdfs-seeAlso">pg_fetch_result()</a> - Returns values from a result resource</span></li>
</ul>
</p>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="function.pg-fetch-result.html">pg_fetch_result</a></div>
<div class="next" style="text-align: right; float: right;"><a href="function.pg-field-is-null.html">pg_field_is_null</a></div>
<div class="up"><a href="ref.pgsql.html">PostgreSQL Functions</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
