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<?php function foo($a) { return function($b) use($a) { return $a.$b; }; } $f = foo("hello "); var_dump( foo("hello ")("world") );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/14tK7
function name:  (null)
number of ops:  14
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'foo'
          1        SEND_VAL                                                 'hello+'
          2        DO_FCALL                                      0  $1      
          3        ASSIGN                                                   !0, $1
   10     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'foo'
          6        SEND_VAL                                                 'hello+'
          7        DO_FCALL                                      0  $3      
          8        INIT_DYNAMIC_CALL                                        $3
          9        SEND_VAL_EX                                              'world'
         10        DO_FCALL                                      0  $4      
         11        SEND_VAR                                                 $4
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/14tK7
function name:  foo
number of ops:  5
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F14tK7%3A4%240'
          2        BIND_LEXICAL                                             ~1, !0
    6     3      > RETURN                                                   ~1
    7     4*     > RETURN                                                   null

End of function foo

Function %00%7Bclosure%7D%2Fin%2F14tK7%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/14tK7
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $b, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
    5     2        CONCAT                                           ~2      !1, !0
          3      > RETURN                                                   ~2
    6     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F14tK7%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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