3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ' The quick brown fox jumped over the lazy dog. '; $string = preg_replace('/^\s*/', '', $string); $string = preg_replace('/\s*$/', '', $string); echo $string; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Tgrbi
function name:  (null)
number of ops:  15
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '+++%0A+++%0A+++++++++%0A+++%0AThe+quick+brown+fox+jumped+over+the+lazy+dog.+++%0A+++%0A+++++++%0A++++++%0A'
   11     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5E%5Cs%2A%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !0, $2
   12     7        INIT_FCALL                                               'preg_replace'
          8        SEND_VAL                                                 '%2F%5Cs%2A%24%2F'
          9        SEND_VAL                                                 ''
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $4      
         12        ASSIGN                                                   !0, $4
   13    13        ECHO                                                     !0
   14    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
168.45 ms | 1394 KiB | 15 Q