3v4l.org

run code in 500+ PHP versions simultaneously
<?php $string = 'REGISTER 11223344 here'; var_export( preg_replace('/REGISTER(.*)here/','',$string) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LDLEM
function name:  (null)
number of ops:  7
compiled vars:  !0 = $string
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'REGISTER+11223344+here'
    5     1        INIT_FCALL                                                   'var_export'
    6     2        FRAMELESS_ICALL_3                preg_replace        ~2      '%2FREGISTER%28.%2A%29here%2F', ''
          3        OP_DATA                                                      !0
          4        SEND_VAL                                                     ~2
    5     5        DO_ICALL                                                     
    7     6      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
170.16 ms | 3250 KiB | 14 Q