Add a DateTime class to expose a fuzzyTime method

2011-12-20 00:34:20 +00:00
parent 664d5e6923
commit 5584e8e4d8
1 changed files with 119 additions and 0 deletions
--- a/source/lib/SihnonFramework/DateTime.class.php
+++ b/source/lib/SihnonFramework/DateTime.class.php
@@ -0,0 +1,119 @@
+<?php
+
+class SihnonFramework_DateTime {
+    
+    const MINUTE = 60;
+    const HOUR   = 3600;
+    const DAY    = 86400;
+    const WEEK   = 604800;
+    const MONTH  = 2629744;
+    const YEAR   = 31556926;
+
+    /**
+     * Formats the time in a fuzzy way
+     * 
+     * Taken from http://byteinn.com/res/426/Fuzzy_Time_function/ and reformatted for use in a class.
+     * "An online free resource for developers who believe in reuse of code and do not waste time to reinvent the wheel."
+	 * info@byteinn.com
+     * 
+     * @param mixed $time The time to be formatted
+     * @return string
+     */
+    public static function fuzzyTime($time) {
+        if ( ! preg_match('/^\d+$/', $time)) {
+            if (($time = strtotime($time)) == false) {
+                return 'an unknown time';
+            }
+        }
+        
+        $now = time();
+        
+        // sod = start of day :)
+        $sod = mktime(0, 0, 0, date('m', $time), date('d', $time), date('Y', $time));
+        $sod_now = mktime(0, 0, 0, date('m', $now), date('d', $now), date('Y', $now));
+
+        // used to convert numbers to strings
+        $convert = array(
+            1 => 'one', 
+            2 => 'two', 
+            3 => 'three',
+            4 => 'four',
+            5 => 'five', 
+            6 => 'six', 
+            7 => 'seven', 
+            8 => 'eight', 
+            9 => 'nine', 
+            10 => 'ten', 
+            11 => 'eleven'
+        );
+
+        // today
+        if ($sod_now == $sod) {
+            if ($time > $now - (self::MINUTE * 3)) {
+                return 'just a moment ago';
+            } else if ($time > $now - (self::MINUTE * 7)) {
+                return 'a few minutes ago';
+            } else if ($time > $now - (self::HOUR)) {
+                return 'less than an hour ago';
+            }
+            return 'today at ' . date('g:ia', $time);
+        }
+
+        // yesterday
+        if (($sod_now - $sod) <= self::DAY) {
+            if (date('i', $time) > (self::MINUTE + 30)) {
+                $time += self::HOUR / 2;
+            }
+            return 'yesterday around ' . date('ga', $time);
+        }
+
+        // within the last 5 days
+        if (($sod_now - $sod) <= (self::DAY * 5)) {
+            $str = date('l', $time);
+            $hour = date('G', $time);
+            if ($hour < 12) {
+                $str .= ' morning';
+            } else if ($hour < 17) {
+                $str .= ' afternoon';
+            } else if ($hour < 20) {
+                $str .= ' evening';
+            } else {
+                $str .= ' night';
+            }
+            return $str;
+        }
+
+        // number of weeks (between 1 and 3)...
+        if (($sod_now-$sod) < (self::WEEK * 3.5)) {
+            if (($sod_now-$sod) < (self::WEEK * 1.5)) {
+                return 'about a week ago';
+            } else if (($sod_now-$sod) < (self::DAY * 2.5)) {
+                return 'about two weeks ago';
+            } else {
+                return 'about three weeks ago';
+            }
+        }
+
+        // number of months (between 1 and 11)...
+        if (($sod_now-$sod) < (self::MONTH * 11.5)) {
+            for ($i = (self::WEEK * 3.5), $m=0; $i < self::YEAR; $i += self::MONTH, $m++) {
+                if ( ($sod_now-$sod) <= $i ) {
+                    return 'about ' . $convert[$m] . ' month' . (($m>1)?'s':'') . ' ago';
+                }
+            }
+        }
+
+        // number of years...
+        for ($i = (self::MONTH * 11.5), $y=0; $i < (self::YEAR * 10); $i += self::YEAR, $y++) {
+            if (($sod_now-$sod) <= $i) {
+                return 'about ' . $convert[$y] . ' year' . (($y>1)?'s':'') . ' ago';
+            }
+        }
+
+        // more than ten years...
+        return 'more than ten years ago';
+    }
+
+}
+
+?>