Sort array dependent of another array keys values

Question

Can anyone show me an example of how to sort this array dependent on the dependency key of each array. I would like the array to be in order of the dependency so jquery first then cookie,bootstrap,checkbox,admin. I have looked at other posts but they did not make sense to me. This is a small piece of the full array, the array might be in any order and length.

Can anyone show me a snippet of code that would do this.

         Array
            (
                [0] => Array
                    (
                        [name] => jquery
                        [version] => 1.1
                        [file] => vendor/jquery/jquery.js
                    )

                [1] => Array
                    (
                        [name] => cookie
                        [version] => 1.0
                        [file] => vendor/cookie/cookie.js
                        [dependency] => Array
                            (
                                [0] => administration
                                [1] => jquery
                            )

                    )

                [2] => Array
                    (
                        [name] => bootstrap
                        [version] => 1.0
                        [file] => vendor/bootstrap/js/bootstrap.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [3] => Array
                    (
                        [name] => checkbox
                        [version] => 1.0
                        [file] => vendor/checkbox/checkbox.js
                        [dependency] => Array
                            (
                                [0] => jquery
                                [1] => sticky
                            )

                    )

                [4] => Array
                    (
                        [name] => datepicker
                        [version] => 1.0
                        [file] => vendor/datepicker/datepicker.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [5] => Array
                    (
                        [name] => nanobar
                        [version] => 1.0
                        [file] => vendor/nanobar/nanobar.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [6] => Array
                    (
                        [name] => owlcarousel
                        [version] => 1.0
                        [file] => vendor/owlcarousel/owlcarousel.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [7] => Array
                    (
                        [name] => selectmultiple
                        [version] => 1.0
                        [file] => vendor/selectmultiple/selectmultiple.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [8] => Array
                    (
                        [name] => selectric
                        [version] => 1.0
                        [file] => vendor/selectric/selectric.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [9] => Array
                    (
                        [name] => sortable
                        [version] => 1.0
                        [file] => vendor/sortable/sortable.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [10] => Array
                    (
                        [name] => uisortableanimation
                        [version] => 1.0
                        [file] => vendor/uisortableanimation/uisortableanimation.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [11] => Array
                    (
                        [name] => summernote
                        [version] => 1.0
                        [file] => vendor/summernote/summernote.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [12] => Array
                    (
                        [name] => validation
                        [version] => 1.0
                        [file] => vendor/validation/validation.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [13] => Array
                    (
                        [name] => sticky
                        [version] => 1.0
                        [file] => vendor/sticky/sticky.js
                        [dependency] => Array
                            (
                                [0] => cookie
                                [1] => jquery
                            )

                    )

                [14] => Array
                    (
                        [name] => jrate
                        [version] => 1.0
                        [file] => vendor/jrate/jrate.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [15] => Array
                    (
                        [name] => retina
                        [version] => 1.1
                        [file] => vendor/retina/retina1.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [16] => Array
                    (
                        [name] => confirmation
                        [version] => 1.0
                        [file] => vendor/confirmation/confirmation.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [17] => Array
                    (
                        [name] => bootstrapfilestyle
                        [version] => 1.0
                        [file] => vendor/bootstrapfilestyle/bootstrap-filestyle.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [18] => Array
                    (
                        [name] => minicolors
                        [version] => 1.0
                        [file] => vendor/minicolors/minicolors.js
                        [dependency] => Array
                            (
                                [0] => jquery
                            )

                    )

                [19] => Array
                    (
                        [name] => administration
                        [version] => 1.0
                        [file] => javascript/index.js
                        [dependency] => Array
                            (
                                [0] => jquery
                                [1] => bootstrap
                                [2] => checkbox
                                [3] => datepicker
                                [4] => nanobar
                                [5] => owlcarousel
                                [6] => selectmultiple
                                [7] => selectric
                                [8] => sortable
                                [9] => uisortableanimation
                                [10] => summernote
                                [11] => validation
                                [12] => jrate
                                [13] => retina
                                [14] => confirmation
                                [15] => bootstrapfilestyle
                                [16] => minicolors
                            )

                    )

            )

thank you

Answer 1

There are probably a number of different approaches to solving this. Here I loop over the array of scripts, removing any dependencies that are already in the output array before adding any scripts with no further dependencies.

I didn't test it to destruction but it works with your example.

$sorted = [];
while ($count = count($scripts)) {
    // Remove any met dependencies.
    foreach ($scripts as $script_id => $script) {
        if (isset($script["dependency"])) {
            foreach ($script["dependency"] as $dep_id => $dep) {
                if (isset($sorted[$dep])) {
                    unset($scripts[$script_id]["dependency"][$dep_id]);
                }
            }
            if (!count($scripts[$script_id]["dependency"])) {
                unset($scripts[$script_id]["dependency"]);
            }
        }
    }
    // Add scripts with no more dependencies to the output array.
    foreach ($scripts as $script_id => $script) {
        if (!isset($script["dependency"])) {
            $sorted[$script["name"]] = $script;
            unset($scripts[$script_id]);
        }
    }
    if (count($scripts) == $count) {
        die("Unresolvable dependency");
    }
}
var_dump(array_values($sorted));

/*
array (size=5)
  0 => 
    array (size=3)
      'name' => string 'jquery' (length=6)
      'version' => string '1.1' (length=3)
      'file' => string 'vendor/jquery/jquery.js' (length=23)
  1 => 
    array (size=3)
      'name' => string 'cookie' (length=6)
      'version' => string '1.0' (length=3)
      'file' => string 'vendor/cookie/cookie.js' (length=23)
  2 => 
    array (size=3)
      'name' => string 'bootstrap' (length=9)
      'version' => string '1.0' (length=3)
      'file' => string 'vendor/bootstrap/js/bootstrap.js' (length=32)
  3 => 
    array (size=3)
      'name' => string 'checkbox' (length=8)
      'version' => string '1.0' (length=3)
      'file' => string 'vendor/checkbox/checkbox.js' (length=27)
  4 => 
    array (size=3)
      'name' => string 'admin' (length=5)
      'version' => string '1.0' (length=3)
      'file' => string 'vendor/admin/code.js' (length=20)
 */