php数组修改值的方法:首先创建一个PHP示例文件;然后通过“foreach($pid_arr_t as $key=>$value){$value['opid'] = 123;...}”方法修改数组中某个元素值即可。

本教程操作环境:windows10系统、php5.6,本文适用于所有品牌的电脑。
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php 修改数据中某个元素值,其它元素值不变。
循环数组
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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"
}
}方法:
foreach($pid_arr_t as $key=>$value){
$value['opid'] = 123;
$pid_arr_t[$key] = $value;
}只有修改opid的元素值.
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