在php中给出一个模式，将字符串分段为多个字符串

Question

I'm stuck and I just need a pointer. I have this string with special characters retrieved from db and i want to segment it to many strings or arrays and in the process i want to exchange those characters with "()". |p| stands for parent. |c| child.

Example sentence is :

my beautiful car is awesome

*where my , beautiful and car have a parent-child relationship.

The pattern for it :

|p|my|c||p|beautiful|c||c||p|car|p|is|p|awesome

In case you need to see the original array:

Array
(
[0] => Array
    (
        [name] => |p|my
        [parent_id] => 0
        [child] => Array
            (
                [0] => Array
                    (
                        [name] => |c||p|beautiful
                        [parent_id] => 1
                        [child] => Array
                            (
                                [0] => Array
                                    (
                                        [name] => |c||c||p|car
                                        [parent_id] => 2
                                    )

                            )

                    )

            )

    )

[1] => Array
    (
        [name] => |p|is
        [parent_id] => 0
    )

[2] => Array
    (
        [name] => |p|awesome
        [parent_id] => 0
    )

)

The ultimate goal after segmenting and replacement is: ((My(beautiful(car)) (is)(awesome))

Answer 1

<?php
$items =
[
    [
        'name'  => 'foo',
        'children' => 
            [
                [
                    'name'  => 'bar',
                    'children' => 
                        [
                            [
                                'name' => 'baz',
                            ]
                        ]
                ]
            ]
    ],
    [
        'name'  => 'bat',
    ],
    [
        'name'  => 'man',
    ]
];

function bracketize($array) {
    $output = '';
    foreach($array as $item) {
        $output .= '(';
        $output .=  $item['name'];
        if(isset($item['children']))
            $output .= bracketize($item['children']);
        $output .= ')';
    }

    return $output;
}

$output = '(' . bracketize($items) . ')';
print $output;

Output:

((foo(bar(baz)))(bat)(man))