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How to modify the value of php array

藏色散人
藏色散人Original
2020-11-16 09:48:232441browse

How to modify the value of a php array: First create a PHP sample file; then pass "foreach($pid_arr_t as $key=>$value){$value['opid'] = 123;... }" method can modify the value of an element in the array.

How to modify the value of php array

The operating environment of this tutorial: windows10 system, php5.6. This article is applicable to all brands of computers.

Recommended: "PHP Video Tutorial"

php Modify the value of a certain element in the data, leaving the values ​​of other elements unchanged.

Loop array

array(8) {
  [0] => array(10) {
    ["opid"] => int(0)
    ["pid"] => int(11)
    ["price"] => string(4) "0.10"
    ["controller"] => string(4) "Live"
    ["type_mold"] => int(1)
    ["img"] => string(0) ""
    ["description"] => string(4) "1212"
    ["title"] => string(12) "测试回放"
    ["user_id"] => int(51)
    ["limit"] => string(19) "2020-01-25 15:03:14"
  }
  [1] => array(10) {
    ["opid"] => int(0)
    ["pid"] => int(10)
    ["price"] => string(4) "0.10"
    ["controller"] => string(4) "Live"
    ["type_mold"] => int(1)
    ["img"] => string(0) ""
    ["description"] => string(2) "12"
    ["title"] => string(12) "线上测试"
    ["user_id"] => int(51)
    ["limit"] => string(19) "2019-10-17 15:03:14"
  }
  [2] => array(10) {
    ["opid"] => int(0)
    ["pid"] => int(3)
    ["price"] => string(4) "1.00"
    ["controller"] => string(4) "Live"
    ["type_mold"] => int(1)
    ["img"] => string(0) ""
    ["description"] => string(4) "1212"
    ["title"] => string(21) "测试保长时直播"
    ["user_id"] => int(51)
    ["limit"] => string(19) "2019-10-17 15:03:14"
  }
  [3] => array(10) {
    ["opid"] => int(0)
    ["pid"] => int(2)
    ["price"] => string(4) "0.10"
    ["controller"] => string(5) "Video"
    ["type_mold"] => int(2)
    ["img"] => string(0) ""
    ["description"] => string(130) "最近长安刚刚公布了全新中型SUV CS85的预售价格,售价区间为14.99-17.19万元,成为长安首款轿跑SUV。"
    ["title"] => string(142) "测试点播最近长安刚刚公布了全新中型SUV CS85的预售价格,售价区间为14.99-17.19万元,成为长安首款轿跑SUV。"
    ["user_id"] => int(51)
    ["limit"] => string(19) "2019-10-17 15:03:14"
  }
  [4] => array(10) {
    ["opid"] => int(0)
    ["pid"] => int(8)
    ["price"] => string(4) "0.00"
    ["controller"] => string(4) "Shop"
    ["type_mold"] => int(4)
    ["img"] => string(0) ""
    ["description"] => string(0) ""
    ["title"] => string(3) "111"
    ["user_id"] => int(51)
    ["limit"] => string(19) "2019-10-17 15:03:14"
  }
  [5] => array(10) {
    ["opid"] => int(0)
    ["pid"] => int(61)
    ["price"] => string(4) "0.00"
    ["controller"] => string(9) "Testpaper"
    ["type_mold"] => int(3)
    ["img"] => string(45) "20190403/c378d2084ec9c3f05ceab36c00ac67a4.png"
    ["description"] => string(6) "健康"
    ["title"] => string(12) "健康管理"
    ["user_id"] => int(51)
    ["limit"] => string(19) "2022-01-14 15:03:14"
  }
  [6] => array(10) {
    ["opid"] => int(0)
    ["pid"] => int(55)
    ["price"] => string(4) "0.00"
    ["controller"] => string(9) "Testpaper"
    ["type_mold"] => int(3)
    ["img"] => string(45) "20190330/af4db555769d71589ae163bfd0a3c05b.jpg"
    ["description"] => string(3) "111"
    ["title"] => string(27) "模板导入试卷测试一"
    ["user_id"] => int(51)
    ["limit"] => string(19) "2019-05-01 15:03:14"
  }
  [7] => array(10) {
    ["opid"] => int(0)
    ["pid"] => int(62)
    ["price"] => string(7) "1000.00"
    ["controller"] => string(9) "Testpaper"
    ["type_mold"] => int(3)
    ["img"] => string(45) "20190330/f1cc9c7df38108c505338a529e3d06a6.jpg"
    ["description"] => string(18) "法学概论201704"
    ["title"] => string(18) "法学概论201704"
    ["user_id"] => int(51)
    ["limit"] => string(19) "2019-07-29 15:03:14"
  }
}

Method:

foreach($pid_arr_t as $key=>$value){
  $value['opid'] = 123;
  $pid_arr_t[$key] = $value;            
 }

Only modify the element value of opid.

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