Home > Developer > Web Develop

PHP Perpetual calendar

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

Is the effect, just learn php, write a perpetual calendar to play ~

<! DOCTYPE html>
<meta charset= "UTF-8" >
<title>php Calendar </title>
<style>
#dusk {
Text-align:center;
padding-top:50px;
}
h1{
Text-align:center;
}
#check
{
width:500px;
margin:0 Auto;
Text-align:center;
}
</style>
<body>
<?php
Header ("Content-type:text/html;charset=utf-8");
function Inputcheck ()
{
if (@preg_match ('/\d{1,4}/', $_get[' y ') ==1)//The Regular expression input box is judged, it must be 1-4 digits, otherwise it will return false
{
return TRUE;
}
Else
{
echo "<center>";
echo "<font id=inputerror color= ' red ' size=20px text-align=center> Please enter the correct year!</font>";
echo "</center>";
return FALSE;
}
}
if (!inputcheck ())
{
$year = Date (' Y ');//Get Current year
$month = Date (' m ');//Gets the current month
$days = date (' t ', Strtotime ("$year-$month-1"));//Get the number of days in the current month
$week = Date (' W ', Strtotime ("$year-$month-1"));//Get Current Week
echo "<center>";
echo "echo "</center>";
}
Else
{
@ $year = $_get[' y ']? $_get[' y ': date (' Y '), or//If a parameter passed by the Get method is used to get the year using the Get method, if it is not in the current year
@ $month = $_get[' m ']? $_get[' m ': Date (' m ');
$days = date (' t ', Strtotime ("$year-$month-1"));
$week = Date (' W ', Strtotime ("$year-$month-1"));
echo "<center>";
echo "echo "</center>";
}
echo "<center>";
echo "<table width=700px border=2px>";//Drawing table
echo "<tr>";
echo "<th> Sunday </th>";
echo "<th> Monday </th>";
echo "<th> Tuesday </th>";
echo "<th> Wednesday </th>";
echo "<th> Thursday </th>";
echo "<th> Friday </th>";
echo "<th> Saturday </th>";
echo "</tr>";
for ($i = 1-$week; $i < $days;)
{
echo "<tr>";
for ($j = 0; $j < 7; $j + +)
{
if ($i < 1 | | $i > $days)
{
if ($j% 2 = = 0)//change the color of the line
{
echo "<td bgcolor= #ccc >&nbsp;</td>";
}
Else
{
echo "<td>&nbsp;</td>";
}
}
Else
{
if ($j%2 = = 0)
{
if ($year ==date (' Y ') && $month ==date (' m ') && $i ==date (' d '))//The current date is marked in blue
{
echo "<td bgcolor=blue>{$i}</td>";
}
Else
{
echo "<td bgcolor= #A9A9A9 >{$i}</td>";
}
}
Else
{if ($year ==date (' Y ') && $month ==date (' m ') && $i ==date (' d '))
{
echo "<td bgcolor=blue>{$i}</td>";
}
Else
{
echo "<td>{$i}</td>";
}
}
}
$i + +;
}
echo "</tr>";
}
echo "</table>";
if ($month ==1)//Judge last month and next month
{
$preyear = $year-1;
$premonth = 12;
}
else{
$preyear = $year;
$premonth = $month-1;
}
if ($month = = 12)
{
$nextyear = $year + 1;
$nextmonth = 1;
}
Else
{
$nextyear = $year;
$nextmonth = $month + 1;
}
$last _year = $year-1;
$next _year = $year + 1;
$nowyear = Date (' Y ');
$nowmonth = Date (' m ');
echo "</center>";//The A tag below
echo "<div id=dusk>
<a href= ' index.php?y={$last _year}&m={$month} ' > Last year </a>
&nbsp;
<a href= ' index.php?y={$preyear}&m={$premonth} ' > Last month </a>
|
<a href= ' index.php?y={$nextyear}&m={$nextmonth} ' > next month </a>
&nbsp;
<a href= ' index.php?y={$next _year}&m={$month} ' > next year </a>
<br>
<a href= ' index.php?y={$nowyear}&m={$nowmonth} ' > Back to Current month </a>
</div> ";///month drop-down menu
echo "<div id=check><form action=" method= ' Get ' >
<input type= ' text ' name= ' y ' size= ' 5 ' > year
<select id= ' name= ' m ' >
<option value= ' 1 ' >1</option>
<option value= ' 2 ' >2</option>
<option value= ' 3 ' >3</option>
<option value= ' 4 ' >4</option>
<option value= ' 5 ' >5</option>
<option value= ' 6 ' >6</option>
<option value= ' 7 ' >7</option>
<option value= ' 8 ' >8</option>
<option value= ' 9 ' >9</option>
<option value= ' >10</option>
<option value= ' one ' >11</option>
<option value= ' >12</option>

</select>
<input type= ' Submit ' name= ' Sub ' value= ' Enquiry ' >
</form>
</div> ";
?>
</body>


PHP Perpetual calendar

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More