Question

So heres what i have. I have an array of $_POST elements and some end with a number, some do not. So whatI have already is:

foreach ($_POST as $field_name => $value){ }

What id like to do it put an if statement within the foreach, and say ‘if $field_name contains a number, save that number in a variable $num’. And then foreach $field_name that contains that same $num, do this…

Im pretty clear on the concept, but not the actual code. The first step would be to determine if the the field contains a digit 1-9 within it. Any suggestions?

Answer 1

Use preg_match!

if( preg_match('/\d+/', $field_name, $matches) ) {
    $num = $matches[0];
    // Do other stuff here
}

(Edit: simplified)