PHP 过滤二维数组和三维数组，php二维数组数组_PHP教程

 1 php  2  3 $arr = [  4 [1,3,5,7,9],  5 [2,4,6,8,0]  6  ];  7 $arr2 = [  8 'list' => [  9 [1,3,5,7], 10 [2,4,6,8], 11 [3,2,9,0], 12  ] 13  ]; 14 $arr3 = [ 15 'list' => [ 16 [1,3,5,7], 17 [2,4,6,8], 18 [3,2,9,0] 19  ] 20  ]; 21 22 $res = array_map(function($arr){ 23 return array_filter($arr, function($v) { 24 return $v !== 5; 25  }); 26 }, $arr); 27 28 $res2 = array_map(function($val) { 29 return array_filter($val, function($v) { 30 return !in_array(6, $v); 31  }); 32 }, $arr2); 33 34 $res3 = []; 35 array_walk($arr3, function($val, $key) use(&$res3) { 36 $res3[$key] = array_filter($val, function($v) { 37 return !in_array(6, $v); 38  }); 39  }); 40 41 var_dump($res2); 42 var_dump($res3);