Question

I’m having troubles finding the code for this:

I have this array:

$filtros['code']  = 1 
$filtros['name'] = 'John'
$filtros['formacion_c_1'] = 2
$filtros['formacion_c_2'] = 1
$filtros['formacion_c_3'] = 2

And I need to catch the number of each “formacion_c_{number}” and his value

echo "The Formation number {number} has the value $filtros[formacion_c_{number}]";

the result that I need is something like :

The Formation number 1 has the value 2.
The Formation number 2 has the value 1.
The Formation number 3 has the value 2.

surely the solution is with some preg_split or preg_match, but I can’t handle this

Answer 1

foreach($filtros as $key=>$val){
    if(preg_match('/^formacion_c_(\d)+$/', $key, $match) === 1){
        echo "The Formation number {$match[1]} has the value $val";
    }
}

Demo: http://ideone.com/iscQ7