📄 function.px-get-schema.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>Returns the database schema</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.px-get-record.html">px_get_record</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.px-get-value.html">px_get_value</a></div> <div class="up"><a href="ref.paradox.html">Paradox Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.px-get-schema" class="refentry"> <div class="refnamediv"> <h1 class="refname">px_get_schema</h1> <p class="verinfo">(PECL paradox:1.0-1.4.1)</p><p class="refpurpose"><span class="refname">px_get_schema</span> — <span class="dc-title">Returns the database schema</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>px_get_schema</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$pxdoc</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$mode</tt></span> ] )</div> <p class="para rdfs-comment"> <b>px_get_schema()</b> returns the database schema. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">pxdoc</tt></i></span> <dd> <p class="para"> Resource identifier of the paradox database as returned by <a href="function.px-new.html" class="function">px_new()</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">mode</tt></i></span> <dd> <p class="para"> If the optional <i><tt class="parameter">mode</tt></i> is <b><tt>PX_KEYTOLOWER</tt></b> or <b><tt>PX_KEYTOUPPER</tt></b> the keys of the returned array will be converted to lower or upper case. If <i><tt class="parameter">mode</tt></i> is 0 or not passed at all, then the key name will be identical to the field name. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the schema of a database file as an associated array. The key name is equal to the field name. Each array element is itself an associated array containing the two fields <i>type</i> and <i>size</i>. <i>type</i> is one of the constants in table <a href="paradox.constants.html#paradox.table-fieldtypes" class="link">Constants for field types</a>. <i>size</i> is the number of bytes this field consumes in the record. The total of all field sizes is equal to the record size as it can be retrieved with <a href="function.px-get-info.html" class="function">px-get-info()</a>. </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.px-get-record.html">px_get_record</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.px-get-value.html">px_get_value</a></div> <div class="up"><a href="ref.paradox.html">Paradox 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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