3v4l.org

run code in 300+ PHP versions simultaneously
<?php $filteredZips='[ { "id": 21, "distance": "0" }, { "id": 20, "distance": "3.9399923305414037" }, { "id": 29, "distance": "8.33045537474091" } ]'; $filteredZipsarr = json_decode($filteredZips,true); $id = array_column($filteredZipsarr, "id"); Var_dump($id);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hFOKR
function name:  (null)
number of ops:  15
compiled vars:  !0 = $filteredZips, !1 = $filteredZipsarr, !2 = $id
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%5B%0A%7B%0A++++%22id%22%3A+21%2C%0A++++%22distance%22%3A+%220%22%0A%7D%2C%0A%7B%0A++++%22id%22%3A+20%2C%0A++++%22distance%22%3A+%223.9399923305414037%22%0A%7D%2C%0A%7B%0A++++%22id%22%3A+29%2C%0A++++%22distance%22%3A+%228.33045537474091%22%0A%7D+++%0A%5D'
   18     1        INIT_FCALL                                               'json_decode'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 <true>
          4        DO_ICALL                                         $4      
          5        ASSIGN                                                   !1, $4
   20     6        INIT_FCALL                                               'array_column'
          7        SEND_VAR                                                 !1
          8        SEND_VAL                                                 'id'
          9        DO_ICALL                                         $6      
         10        ASSIGN                                                   !2, $6
   21    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
145.39 ms | 1399 KiB | 19 Q