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小唯快跑啊
您可以使用array_filter以下方法获得结果// suppose your data is in $data variable$data = [ ['id' => 23, 'merchant_id' => 23], ['id' => 23, 'merchant_id' => 46], ];//return true only if marchant_id == 46 $filtered_array = array_filter($data,function($datum){ return $datum["merchant_id"] == 46; });
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MMMHUHU
您好请检查下面的代码$array = array( array('id' => 23, 'merchant_id' => 23), array('id' => 24, 'merchant_id' => 46), array('id' => 25, 'merchant_id' => 34), array('id' => 26, 'merchant_id' => 46),);$final = array();foreach ($array as $key => $value) { if($value['merchant_id'] == 46){ $final[] = $value; }}print_r($final);
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胡子哥哥
如果您正在努力使用数组函数,一个简单的 foreach 循环和对您感兴趣的领域的测试会很好$A = [ ['id' => 23, 'merchant_id' => 23 ], ['id' => 24, 'merchant_id' => 46 ], ['id' => 25, 'merchant_id' => 21 ], ['id' => 26, 'merchant_id' => 29 ], ];foreach ( $A as $key => $t ) { if( $t['merchant_id'] != 46 ){ unset($A[$key]); }}print_r($A);结果Array( [1] => Array ( [id] => 24 [merchant_id] => 46 ))