Merge pull request #4552 from giant-rabbit/preprocess-hook

[civicrm-core.git] / CRM / Utils / Time.php

diff --git a/CRM/Utils/Time.php b/CRM/Utils/Time.php
index 41aee4c25fb94069f9c31764117e1552017128e2..a70ad242676ea86fb0dfe454b935b4216ce5f7b2 100644 (file)
--- a/CRM/Utils/Time.php
+++ b/CRM/Utils/Time.php
@@ -86,5 +86,19 @@ class CRM_Utils_Time {
   static function resetTime() {
     self::$_delta = 0;
   }
+
+  /**
+   * Approximate time-comparison. $a and $b are considered equal if they
+   * are within $threshold seconds of each other.
+   *
+   * @param string $a time which can be parsed by strtotime
+   * @param string $b time which can be parsed by strtotime
+   * @param int $threshold maximum allowed difference (in seconds)
+   * @return bool
+   */
+  static function isEqual($a, $b, $threshold = 0) {
+    $diff = strtotime($b) - strtotime($a);
+    return (abs($diff) <= $threshold);
+  }
 }