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<?php $foo = "999"; $bar = "999"; var_dump($foo); var_dump($bar); var_dump($foo == $bar); var_dump($foo === $bar);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2Wpc7
function name:  (null)
number of ops:  17
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '999'
    3     1        ASSIGN                                                   !1, '999'
    5     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
    6     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                                 
    8     8        INIT_FCALL                                               'var_dump'
          9        IS_EQUAL                                         ~6      !0, !1
         10        SEND_VAL                                                 ~6
         11        DO_ICALL                                                 
    9    12        INIT_FCALL                                               'var_dump'
         13        IS_IDENTICAL                                     ~8      !0, !1
         14        SEND_VAL                                                 ~8
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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