3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo sprintf('first arg: %1$s second arg: %1$s', 'foo', 'bar');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Wi8ob
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'sprintf'
          1        SEND_VAL                                                 'first+arg%3A+%251%24s+second+arg%3A+%251%24s'
          2        SEND_VAL                                                 'foo'
          3        SEND_VAL                                                 'bar'
          4        DO_ICALL                                         $0      
          5        ECHO                                                     $0
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
216.22 ms | 1397 KiB | 15 Q