Add date_diff fallback for PHP < 5.3

lib/fallbacks/date-diff.php

@@ -0,0 +1,99 @@
+<?php
+/**
+ * A basic date_diff for PHP 5.2
+ *
+ * @author Michael Oldroyd <http://www.michaeloldroyd.co.uk/>
+ *
+ */
+
+if(!function_exists('date_diff')) {
+  class DateInterval {
+    public $y;
+    public $m;
+    public $d;
+    public $h;
+    public $i;
+    public $s;
+    public $invert;
+    public $days;
+ 
+    public function format($format) {
+      $format = str_replace('%R%y', 
+        ($this->invert ? '-' : '+') . $this->y, $format);
+      $format = str_replace('%R%m', 
+         ($this->invert ? '-' : '+') . $this->m, $format);
+      $format = str_replace('%R%d', 
+         ($this->invert ? '-' : '+') . $this->d, $format);
+      $format = str_replace('%R%h', 
+         ($this->invert ? '-' : '+') . $this->h, $format);
+      $format = str_replace('%R%i', 
+         ($this->invert ? '-' : '+') . $this->i, $format);
+      $format = str_replace('%R%s', 
+         ($this->invert ? '-' : '+') . $this->s, $format);
+ 
+      $format = str_replace('%y', $this->y, $format);
+      $format = str_replace('%m', $this->m, $format);
+      $format = str_replace('%d', $this->d, $format);
+      $format = str_replace('%h', $this->h, $format);
+      $format = str_replace('%i', $this->i, $format);
+      $format = str_replace('%s', $this->s, $format);
+ 
+      return $format;
+    }
+  }
+ 
+  function date_diff(DateTime $date1, DateTime $date2) {
+ 
+    $diff = new DateInterval();
+ 
+    if($date1 > $date2) {
+      $tmp = $date1;
+      $date1 = $date2;
+      $date2 = $tmp;
+      $diff->invert = 1;
+    } else {
+      $diff->invert = 0;
+    }
+ 
+    $diff->y = ((int) $date2->format('Y')) - ((int) $date1->format('Y'));
+    $diff->m = ((int) $date2->format('n')) - ((int) $date1->format('n'));
+    if($diff->m < 0) {
+      $diff->y -= 1;
+      $diff->m = $diff->m + 12;
+    }
+    $diff->d = ((int) $date2->format('j')) - ((int) $date1->format('j'));
+    if($diff->d < 0) {
+      $diff->m -= 1;
+      $diff->d = $diff->d + ((int) $date1->format('t'));
+    }
+    $diff->h = ((int) $date2->format('G')) - ((int) $date1->format('G'));
+    if($diff->h < 0) {
+      $diff->d -= 1;
+      $diff->h = $diff->h + 24;
+    }
+    $diff->i = ((int) $date2->format('i')) - ((int) $date1->format('i'));
+    if($diff->i < 0) {
+      $diff->h -= 1;
+      $diff->i = $diff->i + 60;
+    }
+    $diff->s = ((int) $date2->format('s')) - ((int) $date1->format('s'));
+    if($diff->s < 0) {
+      $diff->i -= 1;
+      $diff->s = $diff->s + 60;
+    }
+ 
+    $start_ts   = $date1->format('U');
+    $end_ts   = $date2->format('U');
+    $days     = $end_ts - $start_ts;
+    $diff->days  = round($days / 86400);
+ 
+    if (($diff->h > 0 || $diff->i > 0 || $diff->s > 0))
+      $diff->days += ((bool) $diff->invert)
+        ? 1
+        : -1;
+ 
+    return $diff;
+ 
+  }
+ 
+}

readme.txt

@@ -1,5 +1,5 @@
 === SportsPress - automated league statistics ===
-Contributors: themeboy
+Contributors: ThemeBoy, aylaview, jenszackrisson
 Tags: sports, sports journalism, teams, team management, fixtures, results, standings, league tables, leagues, reporting, themeboy, wordpress sports, configurable
 Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_xclick&business=support@themeboy.com&item_name=Donation+for+SportsPress
 Requires at least: 3.8
@@ -144,6 +144,11 @@ SportsPress is currently in beta and is undergoing testing. We are still activel
 
 == Changelog ==
 
+= 0.4.1 =
+* Tweak - Activate checkbox when all players are added to player list.
+* Fix - Function date_diff added for PHP < 5.3.
+* Localization - Swedish translation by jenszackrisson.
+
 = 0.4 =
 * Feature - SportsPress Status dashboard widget added to display number of events and countdown in admin.
 * Feature - New dashboard menu icons.

sportspress.php

@@ -24,6 +24,7 @@ define( 'SPORTSPRESS_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
 define( 'SPORTSPRESS_PLUGIN_FILE', __FILE__ );
 
 // Libraries
+require_once dirname( __FILE__ ) . '/lib/fallbacks/date-diff.php' ;
 require_once dirname( __FILE__ ) . '/lib/eos/eos.class.php' ;
 
 // Globals