The solution of foreach display Warning:Invalid argument supplied for foreach () under php
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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.
}
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