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<?php $arr = array('test', 'test2'); $line = "var1: %s, var2: %s"; echo vsprintf($line, $arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/e1i73
function name:  (null)
number of ops:  8
compiled vars:  !0 = $arr, !1 = $line
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, 'var1%3A+%25s%2C+var2%3A+%25s'
    4     2        INIT_FCALL                                               'vsprintf'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $4      
          6        ECHO                                                     $4
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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