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<?php // Curious about the bytecode difference between comma-separated and period-concatenated echoes echo 'foo', 'bar', 'baz'; echo 'foo' . 'bar' . 'baz'; echo 'foo', 'bar'[rand(0,2)], 'baz';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iVDtG
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ECHO                                                     'foo'
          1        ECHO                                                     'bar'
          2        ECHO                                                     'baz'
    6     3        ECHO                                                     'foobarbaz'
    9     4        ECHO                                                     'foo'
          5        INIT_FCALL                                               'rand'
          6        SEND_VAL                                                 0
          7        SEND_VAL                                                 2
          8        DO_ICALL                                         $0      
          9        FETCH_DIM_R                                      ~1      'bar', $0
         10        ECHO                                                     ~1
         11        ECHO                                                     'baz'
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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