3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(in_array("foo", array(0))); var_dump(in_array("foo", array(''))); var_dump(in_array("foo", array(false))); var_dump(in_array("foo", array(null))); var_dump(in_array("foo", array(1))); var_dump(in_array("foo", array(0), true));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aj9su
function name:  (null)
number of ops:  37
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                                                 'foo'
          3        SEND_VAL                                                 <array>
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
    3     7        INIT_FCALL                                               'var_dump'
          8        IN_ARRAY                                         ~2      'foo', <array>
          9        SEND_VAL                                                 ~2
         10        DO_ICALL                                                 
    4    11        INIT_FCALL                                               'var_dump'
         12        INIT_FCALL                                               'in_array'
         13        SEND_VAL                                                 'foo'
         14        SEND_VAL                                                 <array>
         15        DO_ICALL                                         $4      
         16        SEND_VAR                                                 $4
         17        DO_ICALL                                                 
    5    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL                                               'in_array'
         20        SEND_VAL                                                 'foo'
         21        SEND_VAL                                                 <array>
         22        DO_ICALL                                         $6      
         23        SEND_VAR                                                 $6
         24        DO_ICALL                                                 
    6    25        INIT_FCALL                                               'var_dump'
         26        INIT_FCALL                                               'in_array'
         27        SEND_VAL                                                 'foo'
         28        SEND_VAL                                                 <array>
         29        DO_ICALL                                         $8      
         30        SEND_VAR                                                 $8
         31        DO_ICALL                                                 
    7    32        INIT_FCALL                                               'var_dump'
         33        IN_ARRAY                                         ~10     'foo', <array>
         34        SEND_VAL                                                 ~10
         35        DO_ICALL                                                 
         36      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.13 ms | 1396 KiB | 17 Q