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<?php $a = ['aa' => 4, 'cc' => 6]; $b = ['cc' => 6, 'aa' => 4]; var_dump( array_keys( $a ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/idgZE
function name:  (null)
number of ops:  9
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>
    7     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'array_keys'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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