mantisbt/core php_api.php,1.15,1.16

Update of /cvsroot/mantisbt/mantisbt/core
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv19426/core

Modified Files:
        php_api.php 
Log Message:
performance optimization
  - cache version comparisons


Index: php_api.php
===================================================================
RCS file: /cvsroot/mantisbt/mantisbt/core/php_api.php,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -d -r1.15 -r1.16
--- php_api.php 28 Apr 2005 14:05:38 -0000      1.15
+++ php_api.php 23 May 2005 13:51:54 -0000      1.16
@@ -15,11 +15,20 @@
 
        # Constant for our minimum required PHP version
        define( 'PHP_MIN_VERSION', '4.0.6' );
+       
+       # cache array fof comparisons
+       $g_cached_version = array();
 
        # --------------------
        # Returns true if the current PHP version is higher than the one
        #  specified in the given string
        function php_version_at_least( $p_version_string ) {
+               global $g_cached_version;
+               
+               if ( isset( $g_cached_version[$p_version_string] ) ) {
+                       return $g_cached_version[$p_version_string];
+               }
+               
                $t_curver = array_pad( explode( '.', phpversion() ), 3, 0 );
                $t_minver = array_pad( explode( '.', $p_version_string ), 3, 0 
);
 
@@ -28,13 +37,16 @@
                        $t_min = (int)$t_minver[$i];
 
                        if ( $t_cur < $t_min ) {
+                               $g_cached_version[$p_version_string] = false;
                                return false;
                        } else if ( $t_cur > $t_min ) {
+                               $g_cached_version[$p_version_string] = true;
                                return true;
                        }
                }
 
                # if we get here, the versions must match exactly so:
+               $g_cached_version[$p_version_string] = true;
                return true;
        }
 



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