本文实例讲述了php简单实现无限分类树形列表的方法。分享给大家供大家参考。具体如下:
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$items = array ( 1 => array ( 'id' => 1, 'pid' => 0, 'name' => '江西省' ), 2 => array ( 'id' => 2, 'pid' => 0, 'name' => '黑龙江省' ), 3 => array ( 'id' => 3, 'pid' => 1, 'name' => '南昌市' ), 4 => array ( 'id' => 4, 'pid' => 2, 'name' => '哈尔滨市' ), 5 => array ( 'id' => 5, 'pid' => 2, 'name' => '鸡西市' ), 6 => array ( 'id' => 6, 'pid' => 4, 'name' => '香坊区' ), 7 => array ( 'id' => 7, 'pid' => 4, 'name' => '南岗区' ), 8 => array ( 'id' => 8, 'pid' => 6, 'name' => '和兴路' ), 9 => array ( 'id' => 9, 'pid' => 7, 'name' => '西大直街' ), 10 => array ( 'id' => 10, 'pid' => 8, 'name' => '东北林业大学' ), 11 => array ( 'id' => 11, 'pid' => 9, 'name' => '哈尔滨工业大学' ), 12 => array ( 'id' => 12, 'pid' => 8, 'name' => '哈尔滨师范大学' ), 13 => array ( 'id' => 13, 'pid' => 1, 'name' => '赣州市' ), 14 => array ( 'id' => 14, 'pid' => 13, 'name' => '赣县' ), 15 => array ( 'id' => 15, 'pid' => 13, 'name' => '于都县' ), 16 => array ( 'id' => 16, 'pid' => 14, 'name' => '茅店镇' ), 17 => array ( 'id' => 17, 'pid' => 14, 'name' => '大田乡' ), 18 => array ( 'id' => 18, 'pid' => 16, 'name' => '义源村' ), 19 => array ( 'id' => 19, 'pid' => 16, 'name' => '上坝村' ), 20 => array ( 'id' => 20, 'pid' => 0, 'name' => '广东省' ), 21 => array ( 'id' => 21, 'pid' => 20, 'name' => '广州市' ), ); $t = array (); foreach ( $items as $id => $item ) { if ( $item [ 'pid' ]) { $items [ $item [ 'pid' ]][ $item [ 'id' ]] = & $items [ $item [ 'id' ]]; $t [] = $id ; } } foreach ( $t as $u ) { unset( $items [ $u ]); } echo "<pre>" ; print_r( $items ); |
希望本文所述对大家的php程序设计有所帮助。