Merge pull request #262 from develart-projects/isNumber-bugfix

isNumber() bugfix
Shardj · Aug 9, 2023 · 4afdf79 · 4afdf79
2 parents 7fa9c5f + d7f99e7
commit 4afdf79
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/library/Zend/Locale/Format.php b/library/Zend/Locale/Format.php
@@ -516,6 +516,10 @@ public static function isNumber($input, array $options = [])
         if (!self::_getUniCodeSupport()) {
             trigger_error("Sorry, your PCRE extension does not support UTF8 which is needed for the I18N core", E_USER_NOTICE);
         }
+
+        if($input === null ) {
+            return FALSE;
+        }
 
         $options = self::_checkOptions($options) + self::$_options;
 
@@ -524,7 +528,10 @@ public static function isNumber($input, array $options = [])
 
         $regexs = Zend_Locale_Format::_getRegexForType('decimalnumber', $options);
         $regexs = array_merge($regexs, Zend_Locale_Format::_getRegexForType('scientificnumber', $options));
-        if (!empty($input) && ($input[0] == $symbols['decimal'])) {
+
+        $firstChar = substr($input,0,1);
+
+        if (!empty($input) && ($firstChar == $symbols['decimal'])) {
             $input = 0 . $input;
         }
         foreach ($regexs as $regex) {