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Title : Simple conversion functions to change MySQL dates to arrays, arrays to MySQL dates.
Categories : PHP, Arrays, Date Time, Databases, MySQL Click here to Update Your Picture
Dave Silvia
Date : Oct 13th 2006
Grade : 4 of 5 (graded 1 times)
Viewed : 9957
File : 4516.zip
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Simple conversion functions to change MySQL dates to arrays, arrays to MySQL dates.

mySQLdateBetween() determines if a given date falls within a given time span.
Arguments are either arrays (as used by DateSpan.php) or MySQL date strings.

Acts as MySQL layer to DateSpan.php (http://www.weberdev.com/get_example-4515.html)

Zip archive contains :

MySQLdateSpan.php : The functions code
testMySQLdateSpan.php : A test script
test.sql : An sql script for instantiating the test MySQL database.
DateSpan.php can be found at : http://www.weberdev.com/get_example-4515.html


MySQLdateSpan.php
<?php
/*
*  (c) 2006, D.E. Silvia, All rights reserved.
*  This code is available for use for non-commercial purposes.
*  Free to distribute as long as this copyright information remains intact.
*  No modification is authorized.  Please, refer bugs/enhancements to
*  dsilvia@mchsi.com
*
*/

/*
*
*  Simple conversion functions to change MySQL dates to arrays,
*  arrays to MySQL dates.
*
*  mySQLdateBetween() determines if a given date falls within a
*  given time span. Arguments are either arrays (as used by
*  DateSpan.php) or MySQL date strings.
*
*  Acts as MySQL layer to DateSpan.php
*
*/

include_once('DateSpan.php');

function
mySQLdateBetween($startDate,$endDate,$findDate)
{
    if(
gettype($startDate) == "string")
       
$startDate=mySQLdate2Ary($startDate);
    if(
gettype($endDate) == "string")
       
$endDate=mySQLdate2Ary($endDate);
    if(
gettype($findDate) == "string")
       
$findDate=mySQLdate2Ary($findDate);
    return
dateBetween($startDate,$endDate,$findDate);
}

function
mySQLdate2Ary($mySQLdateStr)
{
    return
array_reverse(split('-',$mySQLdateStr));
}

function
ary2mySQLdate($ary)
{
    return
implode('-',array_reverse($ary));
}
?>




testMySQLdateSpan.php
<?php
include_once('MySQLdateSpan.php');

$rp=mysql_connect(localhost,root);
$dbSelected=mysql_select_db('test');
$request=mysql_query('select * from `dates`');
$dateRow=mysql_fetch_row($request);
$start=$dateRow[0];
$end=$dateRow[1];
$request=mysql_query('select * from `anniversaries`');
$today=getdate();
$thisYear=$today[year];
while(
$annivRow=mysql_fetch_row($request))
{
   
$name=$annivRow[0];
   
$anniv=mySQLdate2Ary($annivRow[1]);
   
$which=$thisYear-$anniv[2];
   
$anniv[2]=$thisYear;

    if(
mySQLdateBetween($start,$end,$anniv))
    {
        print(
$name."'s $which year anniversary is on ".ary2mySQLdate($anniv)." in the period between $start and $end<br />");
    }
    else
    {
        print(
$name."'s anniversary is not in the period between $start and $end<br />");
    }
}
$request=mysql_query('select * from holidays');
print(
"<br />During the period between $start and $end, the Kansas City Board of Trade observes the following holidays<br/>");
while(
$holidayRow=mysql_fetch_row($request))
{
    if(
mySQLdateBetween($start,$end,$holidayRow[1]))
    {
        print(
$holidayRow[0]." is observed on ".$holidayRow[1]."<br />");
    }
}

?>




test.sql
-- phpMyAdmin SQL Dump
-- version 2.8.2.4
-- http://www.phpmyadmin.net
--
-- Host: localhost
-- Generation Time: Oct 12, 2006 at 01:49 PM
-- Server version: 5.0.26
-- PHP Version: 5.1.6
--
-- Database: `test`
--

-- --------------------------------------------------------

--
-- Table structure for table `anniversaries`
--

DROP TABLE IF EXISTS `anniversaries`;
CREATE TABLE IF NOT EXISTS `anniversaries` (
  `name` varchar(128) NOT NULL,
  `anniversary` date NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=ascii;

--
-- Dumping data for table `anniversaries`
--

INSERT INTO `anniversaries` (`name`, `anniversary`) VALUES ('Dan Tidyer', '1999-03-15'),
('John Laughter', '2004-04-15'),
('Joan Handyer', '2005-08-12'),
('Alfred Neubee', '2006-06-12');

-- --------------------------------------------------------

--
-- Table structure for table `dates`
--

DROP TABLE IF EXISTS `dates`;
CREATE TABLE IF NOT EXISTS `dates` (
  `start` date NOT NULL,
  `end` date NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=ascii;

--
-- Dumping data for table `dates`
--

INSERT INTO `dates` (`start`, `end`) VALUES ('2006-07-01', '2006-10-01');

-- --------------------------------------------------------

--
-- Table structure for table `holidays`
--

DROP TABLE IF EXISTS `holidays`;
CREATE TABLE IF NOT EXISTS `holidays` (
  `name` varchar(64) NOT NULL,
  `date` date NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=ascii;

--
-- Dumping data for table `holidays`
--

INSERT INTO `holidays` (`name`, `date`) VALUES ('New Year''s Day', '2006-01-02'),
('Martin Luther King, Jr. Day', '2006-01-16'),
('Presidents'' Day', '2006-02-20'),
('Good Friday', '2006-04-14'),
('Memorial Day', '2006-05-29'),
('Independence Day', '2006-07-04'),
('Labor Day', '2006-09-04'),
('Thanksgiving', '2006-11-23'),
('Christmas', '2006-12-25');




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