php 无限分门别类 树形数据 格式化
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2022-05-22 22:58:03
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php 无限分类 树形数据 格式化
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1, 'pid' => 0, 'name' => '一级11' ), array('id' => 11, 'pid' => 0, 'name' => '一级12' ), array('id' => 2, 'pid' => 1, 'name' => '二级21' ), array('id' => 10, 'pid' => 11, 'name' => '二级22' ), array('id' => 3, 'pid' => 1, 'name' => '二级23' ), array('id' => 12, 'pid' => 11, 'name' => '二级24' ), array('id' => 9, 'pid' => 1, 'name' => '二级25' ), array('id' => 14, 'pid' => 1, 'name' => '二级26' ), array('id' => 4, 'pid' => 9, 'name' => '三级31' ), array('id' => 6, 'pid' => 9, 'name' => '三级32' ), array('id' => 7, 'pid' => 4, 'name' => '四级41' ), array('id' => 8, 'pid' => 4, 'name' => '四级42' ), array('id' => 5, 'pid' => 4, 'name' => '四级43' ), array('id' => 13, 'pid' => 4, 'name' => '四级44' ), array('id' => 15, 'pid' => 8, 'name' => '五级51' ), array('id' => 16, 'pid' => 8, 'name' => '五级52' ), array('id' => 17, 'pid' => 8, 'name' => '五级53' ), array('id' => 18, 'pid' => 16, 'name' => '六级64' ),); $time1 = microtime(true);var_dump(genTree($items1));$time2 = microtime(true);echo "function 时间1：".($time2-$time1);?>
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