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-rw-r--r--include/functions.inc.php32
-rw-r--r--include/functions_plugins.inc.php4
2 files changed, 34 insertions, 2 deletions
diff --git a/include/functions.inc.php b/include/functions.inc.php
index 616d17569..219f6dcce 100644
--- a/include/functions.inc.php
+++ b/include/functions.inc.php
@@ -2089,4 +2089,36 @@ SELECT COUNT(DISTINCT(com.id))
return $user['nb_available_comments'];
}
+/**
+ * Compare two versions with version_compare after having converted
+ * single chars to their decimal values.
+ * Needed because version_compare does not understand versions like '2.5.c'.
+ * @since 2.6
+ *
+ * @param string $a
+ * @param string $b
+ * @param string $op
+ */
+function safe_version_compare($a, $b, $op=null)
+{
+ $replace_chars = create_function('$m', 'return ord(strtolower($m[1]));');
+
+ // add dot before groups of letters (version_compare does the same thing)
+ $a = preg_replace('#([0-9]+)([a-z]+)#i', '$1.$2', $a);
+ $b = preg_replace('#([0-9]+)([a-z]+)#i', '$1.$2', $b);
+
+ // apply ord() to any single letter
+ $a = preg_replace_callback('#\b([a-z]{1})\b#i', $replace_chars, $a);
+ $b = preg_replace_callback('#\b([a-z]{1})\b#i', $replace_chars, $b);
+
+ if (empty($op))
+ {
+ return version_compare($a, $b);
+ }
+ else
+ {
+ return version_compare($a, $b, $op);
+ }
+}
+
?> \ No newline at end of file
diff --git a/include/functions_plugins.inc.php b/include/functions_plugins.inc.php
index 035a0bea8..d71f58491 100644
--- a/include/functions_plugins.inc.php
+++ b/include/functions_plugins.inc.php
@@ -78,7 +78,7 @@ abstract class PluginMaintain
$current_version = $pwg_loaded_plugins[$this->plugin_id]['version'];
if ( $version == 'auto' or $current_version == 'auto'
- or version_compare($current_version, $version, '<')
+ or safe_version_compare($current_version, $version, '<')
)
{
if (!empty($on_update))
@@ -144,7 +144,7 @@ SELECT version
list($current_version) = pwg_db_fetch_row(pwg_query($query));
if ( $version == 'auto' or $current_version == 'auto'
- or version_compare($current_version, $version, '<')
+ or safe_version_compare($current_version, $version, '<')
)
{
if (!empty($on_update))