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<? $yourArray = array('first_key'=> 'First', 2, 3, 4, 5); $keys = array_keys($yourArray); echo "Key = ".$keys[0];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/c88jk
function name:  (null)
number of ops:  9
compiled vars:  !0 = $yourArray, !1 = $keys
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'array_keys'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    4     5        FETCH_DIM_R                                      ~5      !1, 0
          6        CONCAT                                           ~6      'Key+%3D+', ~5
          7        ECHO                                                     ~6
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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