3v4l.org

run code in 300+ PHP versions simultaneously
<?php $txt = " First is ideographic space"; //$txt = preg_replace("/^ +/m", '', $txt); echo preg_replace("/^[^\S\r\n]+/m", '', $txt);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dcANV
function name:  (null)
number of ops:  8
compiled vars:  !0 = $txt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%E3%80%80First+is+ideographic+space'
    5     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5E%5B%5E%5CS%0D%0A%5D%2B%2Fm'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
249.64 ms | 1070 KiB | 14 Q