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<?php $foo = 'hello-world'; $foo = ucwords($foo); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZTvNB
function name:  (null)
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'hello-world'
    4     1        INIT_FCALL                                               'ucwords'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $2      
          4        ASSIGN                                                   !0, $2
    6     5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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