<!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 the length of a field</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.mssql-fetch-row.html">mssql_fetch_row</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mssql-field-name.html">mssql_field_name</a></div> <div class="up"><a href="ref.mssql.html">Mssql Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.mssql-field-length" class="refentry"> <div class="refnamediv"> <h1 class="refname">mssql_field_length</h1> <p class="verinfo">(PHP 4, PHP 5, PECL odbtp >= 1.1.1)</p><p class="refpurpose"><span class="refname">mssql_field_length</span> — <span class="dc-title">Get the length of a field</span></p> </div> <div class="refsect1 description" id="refsect1-function.mssql-field-length-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><strong>mssql_field_length</strong></span> ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span> [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$offset</code><span class="initializer"> = -1</span></span> ] )</div> <p class="para rdfs-comment"> Returns the length of field no. <em><code class="parameter">offset</code></em> in <em><code class="parameter">result</code></em>. </p> </div> <div class="refsect1 parameters" id="refsect1-function.mssql-field-length-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"> The result resource that is being evaluated. This result comes from a call to <span class="function"><a href="function.mssql-query.html" class="function">mssql_query()</a></span>. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">offset</code></em></span> <dd> <p class="para"> The field offset, starts at 0. If omitted, the current field is used. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.mssql-field-length-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The length of the specified field index on success or <strong><code>FALSE</code></strong> on failure. </p> </div> <div class="refsect1 examples" id="refsect1-function.mssql-field-length-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-1533"> <p><strong>Example #1 <span class="function"><strong>mssql_field_length()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Connect to MSSQL and select the database<br /></span><span style="color: #0000BB">mssql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'MANGO\SQLEXPRESS'</span><span style="color: #007700">, </span><span style="color: #DD0000">'sa'</span><span style="color: #007700">, </span><span style="color: #DD0000">'phpfi'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">mssql_select_db</span><span style="color: #007700">(</span><span style="color: #DD0000">'php'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Send a select query to MSSQL<br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #0000BB">mssql_query</span><span style="color: #007700">(</span><span style="color: #DD0000">'SELECT [name], [age] FROM [php].[dbo].[persons]'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Print the field length<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'The field \'age\' has a data length of ' </span><span style="color: #007700">. </span><span style="color: #0000BB">mssql_field_length</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Free the query result<br /></span><span style="color: #0000BB">mssql_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> The field 'age' has a data length of 4 </pre></div> </div> </div> </p> </div> <div class="refsect1 notes" id="refsect1-function.mssql-field-length-notes"> <h3 class="title">Notes</h3> <blockquote class="note"><p><strong class="note">Note</strong>: <strong>Note to Windows Users</strong><br /> <p class="para"> Due to a limitation in the underlying <acronym title="Application Programming Interface">API</acronym> used by <acronym title="PHP: Hypertext Preprocessor">PHP</acronym> (MS DBLib C <acronym title="Application Programming Interface">API</acronym>), the length of <em>VARCHAR</em> fields is limited to <em class="emphasis">255</em>. If you need to store more data, use a <em>TEXT</em> field instead. </p> </p></blockquote> </div> <div class="refsect1 seealso" id="refsect1-function.mssql-field-length-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.mssql-field-name.html" class="function" rel="rdfs-seeAlso">mssql_field_name()</a> - Get the name of a field</span></li> <li class="member"> <span class="function"><a href="function.mssql-field-type.html" class="function" rel="rdfs-seeAlso">mssql_field_type()</a> - Gets the type of a field</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.mssql-fetch-row.html">mssql_fetch_row</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mssql-field-name.html">mssql_field_name</a></div> <div class="up"><a href="ref.mssql.html">Mssql Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>