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<?php $arr = array(true,true,false,false,true,false); $res = array_keys($arr, true); var_dump($res); echo $res[array_rand($res)];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CG1v2
function name:  (null)
number of ops:  15
compiled vars:  !0 = $arr, !1 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'array_keys'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 <true>
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    7     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
    9     9        INIT_FCALL                                               'array_rand'
         10        SEND_VAR                                                 !1
         11        DO_ICALL                                         $6      
         12        FETCH_DIM_R                                      ~7      !1, $6
         13        ECHO                                                     ~7
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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