3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'a'=>'a', 'b'=>'b', 'c'=>'c', 'd'=>'d', 'e'=>'e', 'f'=>'f', 'g'=>'g' ); var_dump( array_key_exists( $a['d'] ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4XYA5
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_key_exists'
          3        FETCH_DIM_R                                      ~2      !0, 'd'
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                         $3      
          6        SEND_VAR                                                 $3
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.2 ms | 1394 KiB | 17 Q