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<?php $a = ['invitedEmail' => 'asd@asd.pl', 'pending' => true]; $b = ['createdAt' => '12', 'deletedAt' => '11', 'pending' => false]; var_dump($a + $b); var_dump(array_merge($a, $b));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NnSoc
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a, !1 = $b
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   ASSIGN                                                   !0, <array>
   4     1        ASSIGN                                                   !1, <array>
   6     2        INIT_FCALL                                               'var_dump'
         3        ADD                                              ~4      !0, !1
         4        SEND_VAL                                                 ~4
         5        DO_ICALL                                                 
   7     6        INIT_FCALL                                               'var_dump'
         7        INIT_FCALL                                               'array_merge'
         8        SEND_VAR                                                 !0
         9        SEND_VAR                                                 !1
        10        DO_ICALL                                         $6      
        11        SEND_VAR                                                 $6
        12        DO_ICALL                                                 
        13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0