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-rw-r--r--Zotlabs/Text/Tagadelic.php44
1 files changed, 44 insertions, 0 deletions
diff --git a/Zotlabs/Text/Tagadelic.php b/Zotlabs/Text/Tagadelic.php
new file mode 100644
index 000000000..55ecf2d75
--- /dev/null
+++ b/Zotlabs/Text/Tagadelic.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Zotlabs\Text;
+
+
+class Tagadelic {
+
+ static public function calc($arr) {
+
+ $tags = array();
+ $min = 1e9;
+ $max = -1e9;
+
+ $x = 0;
+ if(! $arr)
+ return array();
+
+ foreach($arr as $rr) {
+ $tags[$x][0] = $rr['term'];
+ $tags[$x][1] = log($rr['total']);
+ $tags[$x][2] = 0;
+ $min = min($min,$tags[$x][1]);
+ $max = max($max,$tags[$x][1]);
+ $x ++;
+ }
+
+ usort($tags,'self::tags_sort');
+
+ $range = max(.01, $max - $min) * 1.0001;
+
+ for($x = 0; $x < count($tags); $x ++) {
+ $tags[$x][2] = 1 + floor(9 * ($tags[$x][1] - $min) / $range);
+ }
+
+ return $tags;
+ }
+
+ static public function tags_sort($a,$b) {
+ if(strtolower($a[0]) == strtolower($b[0]))
+ return 0;
+ return((strtolower($a[0]) < strtolower($b[0])) ? -1 : 1);
+ }
+
+} \ No newline at end of file