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<?php function foo() { return mt_rand(); } $myvar = foo(); echo $var."\n". $var."\n". $var;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GU0LW
function name:  (null)
number of ops:  9
compiled vars:  !0 = $myvar, !1 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'foo'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
    9     3        CONCAT                                           ~4      !1, '%0A'
   10     4        CONCAT                                           ~5      ~4, !1
          5        CONCAT                                           ~6      ~5, '%0A'
   11     6        CONCAT                                           ~7      ~6, !1
          7        ECHO                                                     ~7
          8      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GU0LW
function name:  foo
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'mt_rand'
          1        DO_ICALL                                         $0      
          2      > RETURN                                                   $0
    5     3*     > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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