3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'the quick brown fox jumps over the lazy dog.'; echo preg_replace('/the/','That',$str,2); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3FEd7
function name:  (null)
number of ops:  9
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'the+quick+brown+fox+jumps+over+the+lazy+dog.'
    3     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2Fthe%2F'
          3        SEND_VAL                                                 'That'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 2
          6        DO_ICALL                                         $2      
          7        ECHO                                                     $2
    4     8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.82 ms | 1385 KiB | 15 Q