Question

I have into $_POST array all the data i need.

If I print_r the array, I see something like this:

Array (
  [0_45_115] => 01
  [0_46_115] => 01
  [0_47_115] => 01
  [0_48_115] => 01
  [0_49_115] => 01
  [0_50_115] => 01
  [0_51_115] => 01
  [0_52_115] => 01
  [0_53_115] => 01
  [0_54_115] => 01
  [0_55_115] => 01
  [0_56_115] => 01
  [0_57_115] => 01
  [0_58_115] => 01
  [0_59_115] => 01
  [0_60_115] => 01
  [0_61_115] => 01
  [0_62_115] => 01
  [0_63_115] => 01
  [0_64_115] => 01
  [0_65_115] => 01
  [0_66_115] => 01
  [0_67_115] => 01
)

The index i post from the form (the name attr) doesn’t have underscores. For example:

<input type="text" name="0 45 115" value="" />

Let’s forget this.

0_45_115 which the index is will provide me all the neccessery data I want to update or insert a new row into my database. The value will saw me the information I want.

The problem is that I don’t know how to manage the array. Maybe I must use foreach method, and the I will use split function to split the index of each row. Then I will do all the other stuff for insertion/update my database.

I ask how can I use foreach to take the info (index-data) from $_POST array.

Answer 1

The spaces are converted to underscores per PHP specifications. See this page for more details. Specifically, search for this string in the page: Dots and spaces in variable names are converted to underscores.

I think the right approach would be

foreach($_POST as $key => $value)
{
    $parts = explode('_', $key);    //split your $key
    //then deal with corresponding $value
}