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<?php error_reporting(~(E_WARNING|E_NOTICE)); var_dump(array('foo', 'bar') === 'baz'); // bool(false) - not equal var_dump(array('foo', 'bar') == 'baz'); // bool(false) - still not equal var_dump(strcmp(array('foo', 'bar'), 'baz')); // NULL... var_dump(strcmp(array('foo', 'bar'), 'baz') == 0); // bool(true) - booby trap! var_dump(strcmp(array('foo', 'bar'), 'baz') === 0); // bool(false) - so far, so good... var_dump(strcmp(array('foo', 'bar'), 'baz') > 0); // bool(false) - okay... var_dump(strcmp(array('foo', 'bar'), 'baz') < 0); // bool(false) - lolphpmanual
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7Ctvm
function name:  (null)
number of ops:  49
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 -11
          2        DO_ICALL                                                 
    5     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAL                                                 <false>
          5        DO_ICALL                                                 
    6     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAL                                                 <false>
          8        DO_ICALL                                                 
    7     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'strcmp'
         11        SEND_VAL                                                 <array>
         12        SEND_VAL                                                 'baz'
         13        DO_ICALL                                         $3      
         14        SEND_VAR                                                 $3
         15        DO_ICALL                                                 
    8    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'strcmp'
         18        SEND_VAL                                                 <array>
         19        SEND_VAL                                                 'baz'
         20        DO_ICALL                                         $5      
         21        IS_EQUAL                                         ~6      $5, 0
         22        SEND_VAL                                                 ~6
         23        DO_ICALL                                                 
   10    24        INIT_FCALL                                               'var_dump'
         25        INIT_FCALL                                               'strcmp'
         26        SEND_VAL                                                 <array>
         27        SEND_VAL                                                 'baz'
         28        DO_ICALL                                         $8      
         29        IS_IDENTICAL                                     ~9      $8, 0
         30        SEND_VAL                                                 ~9
         31        DO_ICALL                                                 
   11    32        INIT_FCALL                                               'var_dump'
         33        INIT_FCALL                                               'strcmp'
         34        SEND_VAL                                                 <array>
         35        SEND_VAL                                                 'baz'
         36        DO_ICALL                                         $11     
         37        IS_SMALLER                                       ~12     0, $11
         38        SEND_VAL                                                 ~12
         39        DO_ICALL                                                 
   12    40        INIT_FCALL                                               'var_dump'
         41        INIT_FCALL                                               'strcmp'
         42        SEND_VAL                                                 <array>
         43        SEND_VAL                                                 'baz'
         44        DO_ICALL                                         $14     
         45        IS_SMALLER                                       ~15     $14, 0
         46        SEND_VAL                                                 ~15
         47        DO_ICALL                                                 
         48      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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