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<?php var_dump(in_array(0, range(0, 1))); var_dump(in_array(1, range(0, 1))); var_dump(in_array(2, range(0, 1))); var_dump(in_array(false, range(0, 1)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2S1Gi
function name:  (null)
number of ops:  45
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'in_array'
          2        SEND_VAL                                                 0
          3        INIT_FCALL                                               'range'
          4        SEND_VAL                                                 0
          5        SEND_VAL                                                 1
          6        DO_ICALL                                         $0      
          7        SEND_VAR                                                 $0
          8        DO_ICALL                                         $1      
          9        SEND_VAR                                                 $1
         10        DO_ICALL                                                 
    3    11        INIT_FCALL                                               'var_dump'
         12        INIT_FCALL                                               'in_array'
         13        SEND_VAL                                                 1
         14        INIT_FCALL                                               'range'
         15        SEND_VAL                                                 0
         16        SEND_VAL                                                 1
         17        DO_ICALL                                         $3      
         18        SEND_VAR                                                 $3
         19        DO_ICALL                                         $4      
         20        SEND_VAR                                                 $4
         21        DO_ICALL                                                 
    4    22        INIT_FCALL                                               'var_dump'
         23        INIT_FCALL                                               'in_array'
         24        SEND_VAL                                                 2
         25        INIT_FCALL                                               'range'
         26        SEND_VAL                                                 0
         27        SEND_VAL                                                 1
         28        DO_ICALL                                         $6      
         29        SEND_VAR                                                 $6
         30        DO_ICALL                                         $7      
         31        SEND_VAR                                                 $7
         32        DO_ICALL                                                 
    5    33        INIT_FCALL                                               'var_dump'
         34        INIT_FCALL                                               'in_array'
         35        SEND_VAL                                                 <false>
         36        INIT_FCALL                                               'range'
         37        SEND_VAL                                                 0
         38        SEND_VAL                                                 1
         39        DO_ICALL                                         $9      
         40        SEND_VAR                                                 $9
         41        DO_ICALL                                         $10     
         42        SEND_VAR                                                 $10
         43        DO_ICALL                                                 
         44      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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