3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ["firstname" => "John", "lastname" => "", "email" => "", "uri" => ""], ["firstname" => "", "lastname" => "Smith", "email" => "", "uri" => ""], ["firstname" => "", "lastname" => "", "email" => "john@example.org", "uri" => ""] ]; $result = array_shift($array); // remove the first row and push it into the result array foreach ($array as $row) { foreach ($row as $key => $value) { if ($value !== '') { $result[$key] = $value; // only overwrite where a non-empty value exists } } } var_export($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 17
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 17
Branch analysis from position: 7
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 15
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 15
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 14
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 15
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
filename:       /in/fV2v3
function name:  (null)
number of ops:  22
compiled vars:  !0 = $array, !1 = $result, !2 = $row, !3 = $value, !4 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'array_shift'
          2        SEND_REF                                                 !0
          3        DO_ICALL                                         $6      
          4        ASSIGN                                                   !1, $6
   10     5      > FE_RESET_R                                       $8      !0, ->17
          6    > > FE_FETCH_R                                               $8, !2, ->17
   11     7    > > FE_RESET_R                                       $9      !2, ->15
          8    > > FE_FETCH_R                                       ~10     $9, !3, ->15
          9    >   ASSIGN                                                   !4, ~10
   12    10        IS_NOT_IDENTICAL                                         !3, ''
         11      > JMPZ                                                     ~12, ->14
   13    12    >   ASSIGN_DIM                                               !1, !4
         13        OP_DATA                                                  !3
   11    14    > > JMP                                                      ->8
         15    >   FE_FREE                                                  $9
   10    16      > JMP                                                      ->6
         17    >   FE_FREE                                                  $8
   17    18        INIT_FCALL                                               'var_export'
         19        SEND_VAR                                                 !1
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
137.32 ms | 1001 KiB | 15 Q