Miscellaneous
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<?PHP
// DOCTYPE PHP3 PUBLIC "-//www.php.org// PHP vers. 3 //EN">
// TITLE =" Best_Before_link "
// Generator =" EditPlus "
// Author =" Sven-Erik Tiberg <set@dc.luth.se> "
// Keywords =""
// Description =""
// Version =" 0.2 "
// Rev. Date =" 3 sept. 2000 "
// Rev. sign. =" set "
// Included/required files =""
Function Best_Before( $label, $file , $nf_days=60 , $new_mode="NEW" , $show_old=1 , $mailto_adr="" , $alt_txt="", $nf_hour=1 ){
###############################################
# Def of parrameters
# $label label of link %s
# $file linked file or page %s
# $nf_days News flash time in days %i
# $nf_hours News flash time in hours %i
# $new_mode Mode of annoncing age of file. %s
# "NEW" New image after link
# "FLASH" Flashing New image
# "RED" Red text on link while new.
# "IMG" Display image
# $show_old Dipsplay link after expired time �b
# $mailto_adr mail to adress %s
# $alt_txt alternative text %s
###############################################
# Rev. history
# 1.2
# added timestamp dd month yyyy to new files
# check for relative files
# if $file != http://... then continue with best before procedure
# else link direct to $file
$new_mode=strtoupper( $new_mode );
if ( !strstr( $file, "http://" ) ) {
setlocale ("LC_TIME","se");
# get date of file
$basedir="..\webroot\";
$handle=opendir($basedir);
$file_mod_time=filemtime($file);
closedir($handle);
# add $nf_days to modification date of $file
$time_base = 12*60*60;
$file_new_time= $file_mod_time + $nf_days * $time_base + $nf_hours * 60*60;
# if calculated best before date are older than todays date if not $new_mode="";
if ( $file_new_time <= time() ) {
# send mail to $mailto_adr
if ( $mailto_adr!="" ) {
$update = " Please Update webpage:".$file."n" ;
$from = "From: webmaster@dc.luth.sen";
$reply = "Reply-To: webmaster@dc.luth.sen";
$x_Mailer = "X-Mailer: PHP ".phpversion()."n";
Mail( $mailto_adr , $update, $update."It's out of date" , $from . $reply . $x_Mailer );
}
if ( $show_old ) { $new_mode=""; } else { $new_mode="HIDE"; }
}
else {}
}
else { $new_mode=""; }
switch( $new_mode ) {
case "NEW":
echo ("<A href="". $file."" >".$label."</A>");
echo ("<A img src="file:/images/new.gif" width="22" height="22" alt="".$alt_txt."></A>");
echo (" Updated ".strftime("%d %b %Y",$file_mod_time) );
break;
case "FLASH":
echo ("<A href=". $file." >".$label."</A>");
echo ("<A img src="file:/images/flash.gif" width="22" height="22" alt="".$alt_txt."></A>");
echo (" Updated ".strftime("%d %b %Y",$file_mod_time) );
break;
case "RED":
echo ("<A href=". $file." ><font color="#FF0033">".$label." </font></A>");
break;
case "IMG":
echo ("<img src="file:".$file."">");
break;
case "HIDE":
echo ("Link to". $label." inactive or out of date. Last updated ".strftime("%d %b %Y",$file_mod_time));
break;
default:
echo ("<A href=". $file.">".$label."</A>");
}
}
?>
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Usage Example
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<?php include "Best_Before.php3";
?>
<HTML>
<!-- example.php3 -->
<BODY>
<H1>Best before test page</H1>
<A href="test.html"> linked test page 1 </A>
<!-- susbstitue above line with -->
<?php Best_Before( "linked test page","test.html",30,"NEW",1,"me@test.org","This link will expire",0); ?>
<!-- to add a NEW-image after the link for 30 days,
after this period the NEW-image will be disabled and a mail will be sent to "me@test.org" every time someone access this file -->
<p>
<A href="test.html"> linked test page 2</A>
<!-- susbstitue above line with -->
<?php Best_Before( "linked test page","test.html",30,"NEW",0,"me@test.org","This link will expire",0); ?>
<!-- to add a NEW-image after the link for 30 days,
after this period the link will be disabled and a mail will be sent to "me@test.org" every time someone access this file -->
<p>
<A href="test.html"> linked test page 3</A>
<!-- susbstitue above line with -->
<?php Best_Before( "linked test page","test.html",30,"NEW",0,"","This link will expire",0); ?>
<!-- to add a NEW-image after the link for 30 days,
after this period the link will be disabled and no mail will be sent -->
<p>
<A href="test.html"> linked test page 4</A>
<!-- susbstitue above line with -->
<?php Best_Before( "linked test page","test.html",30,"RED",0,"","This link will expire",0); ?>
<!-- Label to the link will be red for 30 days,
after this period the link will be disabled and no mail will be sent -->
<p>
<img src="file:///D%7C/Inetpub/iissamples/ISSamples/rankbtn5.gif" width="90" height="20">
<!-- susbstitue above line with -->
<?php Best_Before( "","test.jpg",0,"IMG",0,"","",1); ?>
<!-- display an image from a webcam if it's active once every 1 hour,
if it's not active the image will be disabled and no mail will be sent -->
<p>
</BODY>
</HTML>
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