Initial xentral_oss_20.3.c9ffacf

classes/Components/Database/Parser/MysqliArrayValueParser.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Xentral\Components\Database\Parser;
+
+/**
+ * @example
+ *      self::rebuild('SELECT * FROM foo WHERE id IN (:ids)', ['ids' => [1, 2, 3]])
+ *      Erzeugt:
+ *          [
+ *              'statement' => 'SELECT * FROM foo WHERE id IN (:ids_expl_0_, :ids_expl_1_, :ids_expl_2_)',
+ *              'values' => [
+ *                  '_ids_expl_0_' => 1,
+ *                  '_ids_expl_1_' => 2,
+ *                  '_ids_expl_2_' => 3,
+ *              ]
+ *          ]
+ */
+final class MysqliArrayValueParser implements ParserInterface
+{
+    /**
+     * @param string $statement
+     * @param array  $values
+     *
+     * @return array
+     *  - Array key 'statement' contains the rebuild statement
+     *  - Array key 'values' contains the rebuild bind parameters
+     */
+    public function rebuild($statement, array $values = [])
+    {
+        return $this->replaceArrayValues($statement, $values);
+    }
+
+    /**
+     * @param string $statement
+     * @param array  $values
+     *
+     * @return array
+     */
+    private function replaceArrayValues($statement, array $values = [])
+    {
+        foreach ($values as $paramName => $paramValue) {
+            if (is_array($paramValue)) {
+                $counter = 0;
+                $additionalParams = [];
+                foreach ($paramValue as $arrayValue) {
+                    $additionalParamName = '_' . $paramName . '_expl_' . $counter . '_';
+                    $additionalParams[] = ':' . $additionalParamName;
+                    $values[$additionalParamName] = $arrayValue;
+                    $counter++;
+                }
+
+                // Replace original named parameter by exploded parameters in statement
+                $replaceString = implode(', ', $additionalParams);
+                $statement = str_replace(':' . $paramName, $replaceString, $statement);
+
+                // Remove original parameter value
+                unset($values[$paramName]);
+            }
+        }
+
+        return [
+            'statement' => $statement,
+            'values'    => $values,
+        ];
+    }
+}