3v4l.org

run code in 300+ PHP versions simultaneously
<?php $category = 'Gas Boiler'; $find = strtolower($category); var_dump(strpos($category, $find));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mYB8E
function name:  (null)
number of ops:  13
compiled vars:  !0 = $category, !1 = $find
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Gas+Boiler'
    4     1        INIT_FCALL                                               'strtolower'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    6     5        INIT_FCALL                                               'var_dump'
          6        INIT_FCALL                                               'strpos'
          7        SEND_VAR                                                 !0
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $5      
         10        SEND_VAR                                                 $5
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
177.28 ms | 1394 KiB | 19 Q