?? function.oci-field-is-null.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>Checks if the field is NULL</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.oci-fetch.html">oci_fetch</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.oci-field-name.html">oci_field_name</a></div> <div class="up"><a href="ref.oci8.html">OCI8 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.oci-field-is-null" class="refentry"> <div class="refnamediv"> <h1 class="refname">oci_field_is_null</h1> <p class="verinfo">(PHP 5, PECL oci8:1.1-1.2.4)</p><p class="refpurpose"><span class="refname">oci_field_is_null</span> — <span class="dc-title">Checks if the field is <b><tt>NULL</tt></b></span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>oci_field_is_null</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$statement</tt></span> , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$field</tt></span> )</div> <p class="para rdfs-comment"> Checks if the given <i><tt class="parameter">field</tt></i> from the <i><tt class="parameter">statement</tt></i> is <b><tt>NULL</tt></b>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">statement</tt></i></span> <dd> <p class="para"> A valid OCI statement identifier. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">field</tt></i></span> <dd> <p class="para"> Can be a field's index or a field's name (uppercased). </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> if <i><tt class="parameter">field</tt></i> is <b><tt>NULL</tt></b>, <b><tt>FALSE</tt></b> otherwise. </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: In PHP versions before 5.0.0 you must use <a href="function.ocicolumnisnull.html" class="function">ocicolumnisnull()</a> instead. This name still can be used, it was left as alias of <b>oci_field_is_null()</b> for downwards compatability. This, however, is deprecated and not recommended. <br /> </p></blockquote> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.oci-fetch.html">oci_fetch</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.oci-field-name.html">oci_field_name</a></div> <div class="up"><a href="ref.oci8.html">OCI8 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>?? 快捷鍵說明
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