BindParam: preparation for call_user_func

extension/qfq/qfq/helper/BindParam.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: nick9v at hotmail dot com ¶
+ * Date: 2/10/16
+ * Time: 2:05 PM
+ */
+
+namespace qfq;
+
+
+class BindParam {
+
+    private $values = array(), $types = '';
+
+    public function add(&$value) {
+        $this->values[] = $value;
+        $this->types .= $this->getParameterBindType($value);
+    }
+
+    /**
+     * Depending of $value, returns i (integer), d (double) or s (string). This is needed for mysqli_bind().
+     *
+     * @param $value
+     * @return string
+     */
+    private function getParameterBindType($value) {
+
+        if (is_int($value)) {
+            $type = 'i';
+        } elseif (is_double($value)) {
+            $type = 'd';
+        } else {
+            $type = 's';
+        }
+
+        return $type;
+    }
+
+    public function get() {
+        return array_merge(array($this->types), $this->values);
+    }
+}
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