根据二维数组某个字段的值查找数组

 

<?php

date_default_timezone_set('Asia/Shanghai');

echo 'hello https://tool.lu/';

 /* 
     * 根据二维数组某个字段的值查找数组
    */ 
     function filter_by_value ($array, $index, $value){ 
        if(is_array($array) && count($array)>0)  
        { 
            foreach(array_keys($array) as $key){ 
                $temp[$key] = $array[$key][$index]; 
                 
                if ($temp[$key] == $value){ 
                    $newarray[$key] = $array[$key]; 
                } 
            } 
        } 
      return $newarray; 
    } 


$arr = array(
		0=>array(
			'id'=>1,
			'name'=>'a'
		),
		1=>array(
			'id'=>2,
			'name'=>'b'
		),
		2=>array(
			'id'=>3,
			'name'=>'c'
		),
	3=>array(
			'id'=>4,
			'name'=>'d'
		),
);

$res = filter_by_value($arr,'id',3);
print_r($res);

<?php

date_default_timezone_set('Asia/Shanghai');

echo 'hello https://tool.lu/';

 /* 
     * 根据二维数组某个字段的值查找数组
    */ 
     function filter_by_value ($array, $index, $value){ 
        if(is_array($array) && count($array)>0)  
        { 
            foreach(array_keys($array) as $key){ 
                $temp[$key] = $array[$key][$index]; 
                 
                if ($temp[$key] == $value){ 
                    $newarray[$key] = $array[$key]; 
                } 
            } 
        } 
      return $newarray; 
    } 


$arr = array(
		0=>array(
			'id'=>1,
			'name'=>'a'
		),
		1=>array(
			'id'=>2,
			'name'=>'b'
		),
		2=>array(
			'id'=>3,
			'name'=>'c'
		),
	3=>array(
			'id'=>4,
			'name'=>'d'
		),
);

$res = filter_by_value($arr,'id',3);
print_r($res);

sandbox> exited with status 0
hello https://tool.lu/Array
(
   [2] => Array
       (
           [id] => 3
           [name] => c
       )
)
sandbox> exited with status 0

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