init

test.php

@@ -0,0 +1,55 @@
+<?php
+
+function parseAdditionalAttributes($additionalAttributesString)
+{
+    if (empty($additionalAttributesString)) {
+        return [];
+    }
+
+    $attributes = [];
+    $length = strlen($additionalAttributesString);
+    $i = 0;
+
+    while ($i < $length) {
+        // 寻找下一个属性名（字母数字下划线组成）
+        if (preg_match('/([a-zA-Z0-9_]+)=/', $additionalAttributesString, $matches, PREG_OFFSET_CAPTURE, $i)) {
+            $attributeName = $matches[1][0];
+            $nameStart = $matches[1][1];
+            $valueStart = $nameStart + strlen($attributeName) + 1; // +1 for '='
+
+            // 寻找下一个属性开始位置来确定当前属性值的结束位置
+            $nextAttrPos = null;
+            if (preg_match('/,([a-zA-Z0-9_]+)=/', $additionalAttributesString, $nextMatches, PREG_OFFSET_CAPTURE, $valueStart)) {
+                $nextAttrPos = $nextMatches[0][1]; // 逗号的位置
+            }
+
+            // 提取属性值
+            if ($nextAttrPos !== null) {
+                $value = substr($additionalAttributesString, $valueStart, $nextAttrPos - $valueStart);
+                $i = $nextAttrPos + 1; // 跳过逗号
+            } else {
+                // 最后一个属性，取到字符串末尾
+                $value = substr($additionalAttributesString, $valueStart);
+                $i = $length; // 结束循环
+            }
+            //去掉导入数据中的_X000D_
+            $attributes[mb_strtolower(trim($attributeName))] = preg_replace('/_x([0-9a-fA-F]{4})_/', '', trim($value));
+            ;
+        } else {
+            // 没有找到更多属性，结束
+            break;
+        }
+    }
+
+    return $attributes;
+}
+
+
+$attribute = 'document_date=9/27/19,document_version=1.1.0,document_path=/media/files/minireview/MRDX20359CN-Airway_Epithelial_Cells.pdf,parent_skus=00218,05001,05021,05022,05008,05040,00218CA.2';
+
+$str = '';
+foreach (parseAdditionalAttributes($attribute) as $key => $value) {
+    $str .= $key . '=' . $value . ',';
+}
+
+echo rtrim($str, ',').PHP_EOL;