3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$e = error_reporting(E_ALL); //echo $e."\n"; $e = error_reporting(0); echo $e."\n"; $u = error_reporting($e); echo $u."\n"; echo "done";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YnnVl
function name:  (null)
number of ops:  14
compiled vars:  !0 = $e, !1 = $u
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 0
          2        DO_ICALL                                         $2      
          3        ASSIGN                                                   !0, $2
    5     4        CONCAT                                           ~4      !0, '%0A'
          5        ECHO                                                     ~4
    6     6        INIT_FCALL                                               'error_reporting'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $5      
          9        ASSIGN                                                   !1, $5
    7    10        CONCAT                                           ~7      !1, '%0A'
         11        ECHO                                                     ~7
   10    12        ECHO                                                     'done'
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.43 ms | 1394 KiB | 15 Q