PHP explode text to multidimensional array [closed]

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I want to explode this text to three dimensional array:

Q 11 21 21 ( 40 44 23 ! 24 ! ! Q ! 32 22 48 18 23 49 ! ! ! ! 24 23 Q ! 19 23 06 49 29 15 22 ! ! ! Q ! 20 ( 23 23 ( 40 ! ! ! ! Q ! 21 06 ! 22 22 22 02 ! ! !
 

Q ! ( 40 05 33 ! 05 ! ! ! ! Q ! 49 49 05 20 20 49 ! ! ! Q ! ! 05 34 ( 40 ( ( 1 Q ! ! 46 46 46 46 46 46 ! ! ! Q ( 46 07 20 12 05 33 ! ! ! !

This is timetable is in text form. The following are the conditions that determine each value in the array:

new row = next time table;
Q = new day;
space = next hour
! = free hour,
( = duplicit hour

And I want it like this: array[timetable][day][hour]

How can I do that? Is there choice do it by PHP explode function?

Satisfy my own curiosity: is that format part of a standard? — Mike B
– Mike B, Commented Sep 27, 2011 at 20:38
What prevents you from just coding the parser for that? I mean you already formulated the format, what prevents you to continue? — hakre
– hakre, Commented Sep 27, 2011 at 20:48

greg0ire · Accepted Answer · 2011-09-27 20:48:22Z

3

What a nice format! I think I still don't get it, but I'll try answering anyway...

use explode with "\n" and you'll get an array of timetables
for each element of this array, replace it with an explode of itself with 'Q' and you'll have a 2-dimensional array
for each element of each element of this array, replace the element with an explode of itself with ' '

Try to do this and if you're having trouble, edit your question with the code you'd come up with.

answered Sep 27, 2011 at 20:48

greg0ire

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sg3s · Accepted Answer · 2011-09-27 20:57:54Z

2

Without really understanding how your strings work; This code should do the job.

$timetables = explode("\n", $source);

foreach($timetables as $tablekey => $days)
{
    $timetables[$tablekey] = explode('Q', $days);

    foreach($timetables[$tablekey] as $daykey => $hours)
        $timetables[$tablekey][$daykey] = explode(' ', $hours)
}

print_r($timetables, true);

answered Sep 27, 2011 at 20:57

sg3s

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Yaakov Shoham · Accepted Answer · 2011-09-27 20:51:31Z

0

$x = //...
$x = explode("\n", $x);
foreach($x as $k => $v) {
  $x[$k] = explode("Q", $x[$k]);
  foreach($x[$k] as $kk => $vv) {
    $x[$k][$kk] = explode(" ", $x[$k][$kk]);
  }
}

With array_map I think you wiil get somewhat nicer code.

answered Sep 27, 2011 at 20:51

Yaakov Shoham

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Darth Egregious · Accepted Answer · 2013-04-18 14:19:30Z

0

Here is a recursive function that takes an array of delimiters:

function multi_explode($delimiters, $val) {
    $delimiter = array_shift($delimiters);
    if (!empty($delimiter)) {
        $val = explode($delimiter, $val);
        foreach($val as $key => $valval) {
            $val[$key] = multi_explode($delimiters, $valval);
        }
    }
    return $val;
}

answered Apr 18, 2013 at 14:19

Darth Egregious

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