fix

lib/Support/IBlock.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Ixrs\Catalog\Support;
+
+class IBlock
+{
+    static array $operations = [
+        '!><' => 'NB', //not between
+        '!='  => 'NI', //not Identical
+        '!%'  => 'NS', //not substring
+        '><'  => 'B',  //between
+        '>='  => 'GE', //greater or equal
+        '<='  => 'LE', //less or equal
+        '='   => 'I', //Identical
+        '%'   => 'S', //substring
+        '?'   => '?', //logical
+        '>'   => 'G', //greater
+        '<'   => 'L', //less
+        '!'   => 'N', // not field LIKE val
+        '*'   => 'FT', // partial full text match
+        '*='  => 'FTI', // identical full text match
+        '*%'  => 'FTL', // partial full text match based on LIKE
+    ];
+
+    public static function getOperationFilter($key)
+    {
+        $re = '/^(!><|!=|!%|><|>=|<=|=|%|\?|>|<|!|\*|\*=|\*%)?(PROPERTY_)(\d+)$/m';
+
+        $matches = [];
+        $r = preg_match($re, $key, $matches);
+
+        if($r){
+            return [
+                'FIELD' => mb_strtoupper($matches[2] . $matches[3]),
+                'OPERATION' => static::$operations[$matches[1]]??'',
+                'PREFIX' => $matches[1],
+                'ID' => $matches[3],
+            ];
+        }
+        return [];
+    }
+}