<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >cal_days_in_month</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="Calendar 日历函数" HREF="ref.calendar.html"><LINK REL="PREVIOUS" TITLE="Calendar 日历函数" HREF="ref.calendar.html"><LINK REL="NEXT" TITLE="cal_from_jd" HREF="function.cal-from-jd.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="ref.calendar.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.cal-from-jd.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.cal-days-in-month" ></A >cal_days_in_month</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN15918" ></A ><P > (PHP 4 >= 4.1.0, PHP 5)</P >cal_days_in_month -- Return the number of days in a month for a given year and calendar</DIV ><DIV CLASS="refsect1" ><A NAME="AEN15921" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >cal_days_in_month</B > ( int calendar, int month, int year )<BR ></BR ><P > This function will return the number of days in the <CODE CLASS="parameter" >month</CODE > of <CODE CLASS="parameter" >year</CODE > for the specified <CODE CLASS="parameter" >calendar</CODE >. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN15940" ></A ><P ><B >例 1. <B CLASS="function" >cal_days_in_month()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$num </font><font color="#007700">= </font><font color="#0000BB">cal_days_in_month</font><font color="#007700">(</font><font color="#0000BB">CAL_GREGORIAN</font><font color="#007700">, </font><font color="#0000BB">8</font><font color="#007700">, </font><font color="#0000BB">2003</font><font color="#007700">); </font><font color="#FF8000">// 31<br /></font><font color="#007700">echo </font><font color="#DD0000">"There was $num days in August 2003"</font><font color="#007700">;<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See also <A HREF="function.jdtounix.html" ><B CLASS="function" >jdtounix()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="ref.calendar.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.cal-from-jd.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Calendar 日历函数</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.calendar.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >cal_from_jd</TD ></TR ></TABLE ></DIV ></BODY ></HTML >