3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_server = array(); var_dump( strpos( $_server['SCRIPT_NAME'], 'php.cgi' ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aJ2kX
function name:  (null)
number of ops:  10
compiled vars:  !0 = $_server
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'strpos'
          3        FETCH_DIM_R                                      ~2      !0, 'SCRIPT_NAME'
          4        SEND_VAL                                                 ~2
          5        SEND_VAL                                                 'php.cgi'
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.32 ms | 1458 KiB | 15 Q