first commit

extend/WordAnalysis/Analysis.php

@@ -0,0 +1,32 @@
+<?php
+declare (strict_types = 1);
+
+namespace WordAnalysis;
+
+class Analysis
+{
+    /**
+     * Notes:关键字提取
+     * @auther: xxf
+     * Date: 2019/8/19
+     * Time: 11:09
+     * @param string $content
+     * @param int $num 获取数量
+     * @return string
+     */
+    public static function getKeywords(string $content = null,int $num = 2) {
+
+        if (empty ($content )) {
+            return '';
+        }
+
+        require_once 'phpanalysis.class.php';
+        \PhpAnalysis::$loadInit = false;
+        $pa = new \PhpAnalysis ( 'utf-8', 'utf-8', false );
+        $pa->LoadDict();
+        $pa->SetSource($content);
+        $pa->StartAnalysis(true);
+        return $pa->GetFinallyKeywords($num); 
+    }
+
+}