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Author: niklauslu

composer.json

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+{
+  "name": "niklaslu/un-limit-tree",
+  "description": "php无限级分类",
+  "keyword" : ["php" , "tree"],
+  "minimum-stability": "stable",
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "niklas lu",
+      "email": "332553882@qq.com",
+      "role": "Developer"
+    }
+  ],
+  "autoload" : {
+    "psr-4" : {
+      "niklaslu\\" : "src"
+    }
+  }
+}

composer.phar

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+<?php
+
+/**
+ * Created by PhpStorm.
+ * Author: Niklas Lu
+ * Email: 332553882@qq.com
+ * Date: 2016/6/23
+ * Time: 10:30
+ */
+namespace niklaslu;
+class UnLimitTree
+{
+    //组合一维数组
+    Static Public function unlimitedForLevel ($cate, $html = '--', $pid = 0, $level = 0) {
+        $arr = array();
+        foreach ($cate as $k => $v) {
+            if ($v['pid'] == $pid) {
+                $v['level'] = $level + 1;
+                $v['html']  = str_repeat($html, $level);
+                $arr[] = $v;
+                $arr = array_merge($arr, self::unlimitedForLevel($cate, $html, $v['id'], $level + 1));
+            }
+        }
+        return $arr;
+    }
+    //组合多维数组
+    Static Public function unlimitedForLayer ($cate, $name = 'child', $pid = 0) {
+        $arr = array();
+        foreach ($cate as $v) {
+            if ($v['pid'] == $pid) {
+                $v[$name] = self::unlimitedForLayer($cate, $name, $v['id']);
+                $arr[] = $v;
+            }
+        }
+        return $arr;
+    }
+    //传递一个子分类ID返回所有的父级分类
+    Static Public function getParents ($cate, $id) {
+        $arr = array();
+        foreach ($cate as $v) {
+            if ($v['id'] == $id) {
+                $arr[] = $v;
+                $arr = array_merge(self::getParents($cate, $v['pid']), $arr);
+            }
+        }
+        return $arr;
+    }
+    //传递一个父级分类ID返回所有子分类ID
+    Static Public function getChildsId ($cate, $pid) {
+        $arr = array();
+        foreach ($cate as $v) {
+            if ($v['pid'] == $pid) {
+                $arr[] = $v['id'];
+                $arr = array_merge($arr, self::getChildsId($cate, $v['id']));
+            }
+        }
+        return $arr;
+    }
+    //传递一个父级分类ID返回所有子分类
+    Static Public function getChilds ($cate, $pid) {
+        $arr = array();
+        foreach ($cate as $v) {
+            if ($v['pid'] == $pid) {
+                $arr[] = $v;
+                $arr = array_merge($arr, self::getChilds($cate, $v['id']));
+            }
+        }
+        return $arr;
+    }
+}

src/UnLimitTree.php

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+<?php
+
+// autoload.php @generated by Composer
+
+require_once __DIR__ . '/composer' . '/autoload_real.php';
+
+return ComposerAutoloaderInit4267cd0da015edc1ae786eff615a2e5f::getLoader();