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This article mainly introduces "the solution of foreach display Warning:Invalid argument supplied for foreach () under php". In the daily operation, I believe that many people have doubts about the solution of foreach display Warning:Invalid argument supplied for foreach () under php. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "foreach display Warning:Invalid argument supplied for foreach () under php". Next, please follow the editor to study!

1. Question:

Foreach () error prompt Warning: Invalid argument supplied for foreach () under php

Error message: Warning: Invalid argument supplied for foreach () in E:wampwwwmyshopcart.php on line 95

Second, the solution:

The error prompt Warning:Invalid argument supplied for foreach () means that foreach needs to be an array and is given an invalid parameter.

Add a judgment before the loop and directly use is_array to determine whether the given value is an array. The code is as follows:

The copy code is as follows:

If (is_array ($items) & &! emptyempty ($items)) {

Foreach ()

}

Or cast the data type as follows:

The copy code is as follows:

Foreach ((array) $v as $K1 = > $v1) {

$edu [$K1] [$k] = my_h ($v1); / / v1 is the data to be stored in the database and is escaped.

}

At this point, the study of "the solution of foreach display Warning:Invalid argument supplied for foreach () under php" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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