Online PHP editor | output for SO3oP

@ 2017-08-23T09:55:23Z

<?php

$json_data = '[
    {"name":"Location 1","gigs": 
        {"start":"16:30","end":"21:15","title":"TestTitle1","class":"fri"}
    },
    {"name":"Location 2","gigs":
        {"start":"15:00","end":"19:00","title":"TestTitle2","class":"fri"}
    },
    {"name":"Location 1","gigs":
        {"start":"21:00","end":"22:00","title":"TestTitle3","class":"fri"}
    }
]';
$arr = json_decode($json_data,true);
$new_array = array();
foreach ($arr as $key => $value) {
  if(isset($new_array[$value['name']]))
      $new_array[$value['name']]['gigs'][] = $value['gigs']; //add already array existing value
    else{
      $new_array[$value['name']]['name'] = $value['name'];
      $new_array[$value['name']]['gigs'][] = $value['gigs']; //create array
    }
}
$new_array = array_values($new_array); //to remove keys
echo json_encode($new_array);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: [{"name":"Location 1","gigs":[{"start":"16:30","end":"21:15","title":"TestTitle1","class":"fri"},{"start":"21:00","end":"22:00","title":"TestTitle3","class":"fri"}]},{"name":"Location 2","gigs":[{"start":"15:00","end":"19:00","title":"TestTitle2","class":"fri"}]}]
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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