Merge "(bug 43801) add a getter for ICU version to ICUCollation"

diff --git a/includes/Collation.php b/includes/Collation.php
index 7c2c05e..7879ebe 100644 (file)
--- a/includes/Collation.php
+++ b/includes/Collation.php
@@ -392,4 +392,20 @@ class IcuCollation extends Collation {
                }
                return false;
        }
+
+       /**
+        * Return the version of ICU library used by PHP's intl extension,
+        * or false when the extension is not installed of the version
+        * can't be determined.
+        *
+        * The constant INTL_ICU_VERSION this function refers to isn't really
+        * documented. It is available since PHP 5.3.7 (see PHP bug 54561).
+        * This function will return false on older PHPs.
+        *
+        * @since 1.21
+        * @return string|false
+        */
+       static function getICUVersion() {
+               return defined( 'INTL_ICU_VERSION' ) ? INTL_ICU_VERSION : false;
+       }
 }