PHP implements a piece of code for the tag cloud

/** * Wniaoblog Tag Template Showtag * * @package Wniaoblog * * @subpackage Tag */ Connect the database Include ('.. /include/config.php '); /** * Counttag ()-Statistics labels appear the Number,and the data to being stored in the both array * * Gettag ()-Access the Tag ' s Labels from the database */ function Counttag ($String) { $TagString = $String; echo $TagString. " "; $Tags = Explode (",", $TagString); $n = 1; $i = 0; $Continue = TRUE; echo $Tags [1]. " "; In case No-label ' s article while ($Tags [$n] or $Tags [+ + $n] or $Tags [+ + $n]) { $EachTag = $Tags [$n + +]; echo $EachTag. " "; $Continue = TRUE; for ($i =0; $Continue; $i + +) { if ($EachTagStr [$i][0]) { if ($EachTagStr [$i][0] = = $EachTag) { $EACHTAGSTR [$i][1]++; $Continue = FALSE; } else { if ($EachTagStr [$i +1][0]) $Continue = TRUE; else { $EACHTAGSTR [$i +1][0] = $EachTag; $EACHTAGSTR [$i +1][1] = 1; $Continue = FALSE; } } } else {//initialize the array $EachTagStr [] $EACHTAGSTR [$i][0] = $EachTag; $EACHTAGSTR [$i][1] = 1; $Continue = FALSE; } } } return $EachTagStr; } function Showtag ($Row, $ablink) { $i = 0; while ($Row [$i][0]) { $EachTag = $Row [$i][0]; $EachCount = $Row [$i][1]; $Size = SetSize ($EachCount); echo "< a style= ' color:blue; Font-size: ". $Size." ' onmouseover=this.style.color= ' #900000 ' onmouseout=this.style.color= ' BLUE ' href= '. $ablink. " Tag?tag= ". $EachTag." ' target= ' _self ' > '. $EachTag. ' (". $EachCount.") "." "; $i + +; } } function Gettag () { $QuerySet = mysql_query ("SELECT * from article"); while ($Row = Mysql_fetch_array ($QuerySet)) { $Tag = $Row [' Tag ']; $TagString = $TagString. ",". $Tag; } return $TagString; } function SetSize ($Size) { $Size + = 10; if ($Size > 30) $Size = 30; return $Size; } Go echo " "; echo "Tag Cloud"; $String = Gettag (); $Row = Counttag ($String); Showtag ($Row, $ablink); echo " "; ?> Copy Code

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