Question

i’d like to parse this file:

Case    Given       Predicted
No      Class       Class
1       ?               0               [0.80]
2       ?               0               [0.80]
3       ?               0               [0.80]
4       ?               1               [0.75]
5       ?               0               [0.80]
6       ?               0               [0.80]
7       ?               1               [0.75]
8       ?               0               [0.80]
9       ?               0               [0.80]
10      ?               0               [0.80]
11      ?               1               [0.75]
12      ?               0               [0.80]
13      ?               0               [0.80]
14      ?               0               [0.80]
15      ?               0               [0.80]
16      ?               0               [0.80]
17      ?               0               [0.80]
18      ?               0               [0.80]
19      ?               0               [0.80]
20      ?               0               [0.80]

Especially, i want to take values from third column (“Predicted class”).I open file thanks to:

$txt_file    = file_get_contents('simone.result');
$array        = explode("\n", $txt_file);
array_shift($array);
array_shift($array);
array_shift($array);

And I have this:

Array ( [0] => 1 ? 0 [0.80] [1] => 2 ? 0 [0.80] 

Ok this is correct. But I want only the third value (“0” or “1”) in each key of this array. Does anyone can help me please?

Thank you so much!

Answer 1

$lines = file('simone.result');
$column3 = array();
for( $i = 2, $ilen = count( $lines ); $i < $ilen; $i++ )
{
    $columns = preg_split( '/\s+/', $lines[ $i ] );
    $column3[] = $columns[ 2 ];
}

var_dump( $column3 );