📄 function.fbsql-field-type.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Get the type of the specified field in a result</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.fbsql-field-table.html">fbsql_field_table</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.fbsql-free-result.html">fbsql_free_result</a></div> <div class="up"><a href="ref.fbsql.html">FrontBase Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.fbsql-field-type" class="refentry"> <div class="refnamediv"> <h1 class="refname">fbsql_field_type</h1> <p class="verinfo">(PHP 4 >= 4.0.6, PHP 5)</p><p class="refpurpose"><span class="refname">fbsql_field_type</span> — <span class="dc-title">Get the type of the specified field in a result</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>fbsql_field_type</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$result</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$field_offset</tt></span> ] )</div> <p class="para rdfs-comment"> <b>fbsql_field_type()</b> is similar to the <a href="function.fbsql-field-name.html" class="function">fbsql_field_name()</a> function, but the field type is returned instead. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt><span class="term"><i><tt class="parameter">result</tt></i></span><dd><p class="para">A result identifierreturned by <a href="function.fbsql-query.html" class="function">fbsql_query()</a> or <a href="function.fbsql-db-query.html" class="function">fbsql_db_query()</a>.</p></dd></dt> <dt> <span class="term"><i><tt class="parameter">field_offset</tt></i></span> <dd> <p class="para"> The numerical offset of the field. The field index starts at 0. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the field type, as a string. </p> <p class="para"> This can be one of <i>int</i>, <i>real</i>, <i>string</i>, <i>blob</i>, and others as detailed in the <a href="http://www.frontbase.com/cgi-bin/WebObjects/FrontBase.woa/wa/productsPage?currentPage=Documentation" class="link external">» FrontBase documentation</a>. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>fbsql_field_type()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />fbsql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"_SYSTEM"</span><span style="color: #007700">, </span><span style="color: #DD0000">""</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fbsql_select_db</span><span style="color: #007700">(</span><span style="color: #DD0000">"wisconsin"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT * FROM onek;"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$fields </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_num_fields</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$rows </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_num_rows</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$table </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_field_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Your '" </span><span style="color: #007700">. </span><span style="color: #0000BB">$table </span><span style="color: #007700">. </span><span style="color: #DD0000">"' table has " </span><span style="color: #007700">. </span><span style="color: #0000BB">$fields </span><span style="color: #007700">. </span><span style="color: #DD0000">" fields and " </span><span style="color: #007700">. </span><span style="color: #0000BB">$rows </span><span style="color: #007700">. </span><span style="color: #DD0000">" records <br />"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"The table has the following fields <br />"</span><span style="color: #007700">;<br />while (</span><span style="color: #0000BB">$i </span><span style="color: #007700">< </span><span style="color: #0000BB">$fields</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$type </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_field_type</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$name </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_field_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$len </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_field_len</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$flags </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_field_flags</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$type </span><span style="color: #007700">. </span><span style="color: #DD0000">" " </span><span style="color: #007700">. </span><span style="color: #0000BB">$name </span><span style="color: #007700">. </span><span style="color: #DD0000">" " </span><span style="color: #007700">. </span><span style="color: #0000BB">$len </span><span style="color: #007700">. </span><span style="color: #DD0000">" " </span><span style="color: #007700">. </span><span style="color: #0000BB">$flags </span><span style="color: #007700">. </span><span style="color: #DD0000">"<br />"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$i</span><span style="color: #007700">++;<br />}<br /></span><span style="color: #0000BB">fbsql_close</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.fbsql-field-name.html" class="function" rel="rdfs-seeAlso">fbsql_field_name()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.fbsql-field-table.html">fbsql_field_table</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.fbsql-free-result.html">fbsql_free_result</a></div> <div class="up"><a href="ref.fbsql.html">FrontBase Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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