Online PHP editor | output for kah84

@ 2017-12-08T09:23:04Z

<?php

$obj = json_decode('{
    "Group1": {
        "Blue": {
            "Round": [
                "Harold",
                "Arthur",
                "Tom"
            ]
        },
        "Green": {
            "Round": [
                "Harold"
            ],
            "Circle": [
                "Todd",
                "Mike"
            ]
        }
    },
    "Group2": {
        "Blue": {
            "Round": [
                "Peter"
            ]
        }
    }
}', true);

function traverse_array($array,$key="",$prev="",&$final_op=array())
{
  if(is_array($array))
  {
    $prev .= $key." - ";
    foreach ($array as $key => $value) {
      traverse_array($value,$key,$prev,$final_op);
    }
  }
  else
  {
    
    $prev =trim($prev," - ");    
    $final_op[$prev][]=$array;
  }
  return $final_op;
}
$data = traverse_array($obj);
foreach ($data as $key => $value) {
  echo $key." (".implode(",", $value).")";
  echo PHP_EOL;
}

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.14, 8.4.16 - 8.4.17, 8.5.0 - 8.5.2: Group1 - Blue - Round (Harold,Arthur,Tom) Group1 - Green - Round (Harold) Group1 - Green - Circle (Todd,Mike) Group2 - Blue - Round (Peter)
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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