Solution to foreach prompt Warning:Invalid argument supplied for foreach() under php, foreachsupplied_PHP tutorial

Solution to the foreach prompt Warning:Invalid argument supplied for foreach() under php, foreachsupplied

The example in this article describes the solution to the foreach() error message Warning: Invalid argument supplied for foreach() under PHP. Share it with everyone for your reference. The specific implementation method is as follows:

1. Question:

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

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

2. Solution:

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

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

Copy code The code is as follows:

if(is_array($items) && !emptyempty($items)){
foreach( )
}

Or force conversion of data type, the code is as follows:

Copy code The code is as follows:

foreach((array)$v as $k1 => $v1) {
$edu[$k1][$k] = my_h($v1);// v1 is the data that will eventually be stored in the database and needs to be escaped
}

I hope this article will be helpful to everyone’s PHP programming design.

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