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<?php $foo = '0123'; echo (int)is_numeric($foo) . "\n"; echo (int)$foo;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/L7jWe
function name:  (null)
number of ops:  10
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '0123'
    5     1        INIT_FCALL                                               'is_numeric'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $2      
          4        CAST                                          4  ~3      $2
          5        CONCAT                                           ~4      ~3, '%0A'
          6        ECHO                                                     ~4
    6     7        CAST                                          4  ~5      !0
          8        ECHO                                                     ~5
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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