3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = function_exists('stristr') ? "yes" : "no"; echo $var;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GiD1o
function name:  (null)
number of ops:  10
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'function_exists'
          1        SEND_VAL                                                 'stristr'
          2        DO_ICALL                                         $1      
          3      > JMPZ                                                     $1, ->6
          4    >   QM_ASSIGN                                        ~2      'yes'
          5      > JMP                                                      ->7
          6    >   QM_ASSIGN                                        ~2      'no'
          7    >   ASSIGN                                                   !0, ~2
    3     8        ECHO                                                     !0
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.75 ms | 1398 KiB | 15 Q