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<?php ini_set('precision', -1); echo ini_get('precision') . PHP_EOL; var_dump(0.1+0.7); var_dump((0.1+0.7)===0.8); echo "\n"; ini_set('precision', 1); echo ini_get('precision') . PHP_EOL; var_dump(0.1+0.7); var_dump((0.1+0.7)===0.8); echo "\n"; ini_set('precision', 10); echo ini_get('precision') . PHP_EOL; var_dump(0.1+0.7); var_dump((0.1+0.7)===0.8); echo "\n"; ini_set('precision', 100); echo ini_get('precision') . PHP_EOL; var_dump(0.1+0.7); var_dump((0.1+0.7)===0.8);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ughn2
function name:  (null)
number of ops:  64
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'ini_set'
          1        SEND_VAL                                                 'precision'
          2        SEND_VAL                                                 -1
          3        DO_ICALL                                                 
    3     4        INIT_FCALL                                               'ini_get'
          5        SEND_VAL                                                 'precision'
          6        DO_ICALL                                         $1      
          7        CONCAT                                           ~2      $1, '%0A'
          8        ECHO                                                     ~2
    4     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAL                                                 0.8
         11        DO_ICALL                                                 
    5    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAL                                                 <false>
         14        DO_ICALL                                                 
    7    15        ECHO                                                     '%0A'
    8    16        INIT_FCALL                                               'ini_set'
         17        SEND_VAL                                                 'precision'
         18        SEND_VAL                                                 1
         19        DO_ICALL                                                 
    9    20        INIT_FCALL                                               'ini_get'
         21        SEND_VAL                                                 'precision'
         22        DO_ICALL                                         $6      
         23        CONCAT                                           ~7      $6, '%0A'
         24        ECHO                                                     ~7
   10    25        INIT_FCALL                                               'var_dump'
         26        SEND_VAL                                                 0.8
         27        DO_ICALL                                                 
   11    28        INIT_FCALL                                               'var_dump'
         29        SEND_VAL                                                 <false>
         30        DO_ICALL                                                 
   13    31        ECHO                                                     '%0A'
   14    32        INIT_FCALL                                               'ini_set'
         33        SEND_VAL                                                 'precision'
         34        SEND_VAL                                                 10
         35        DO_ICALL                                                 
   15    36        INIT_FCALL                                               'ini_get'
         37        SEND_VAL                                                 'precision'
         38        DO_ICALL                                         $11     
         39        CONCAT                                           ~12     $11, '%0A'
         40        ECHO                                                     ~12
   16    41        INIT_FCALL                                               'var_dump'
         42        SEND_VAL                                                 0.8
         43        DO_ICALL                                                 
   17    44        INIT_FCALL                                               'var_dump'
         45        SEND_VAL                                                 <false>
         46        DO_ICALL                                                 
   19    47        ECHO                                                     '%0A'
   20    48        INIT_FCALL                                               'ini_set'
         49        SEND_VAL                                                 'precision'
         50        SEND_VAL                                                 100
         51        DO_ICALL                                                 
   21    52        INIT_FCALL                                               'ini_get'
         53        SEND_VAL                                                 'precision'
         54        DO_ICALL                                         $16     
         55        CONCAT                                           ~17     $16, '%0A'
         56        ECHO                                                     ~17
   22    57        INIT_FCALL                                               'var_dump'
         58        SEND_VAL                                                 0.8
         59        DO_ICALL                                                 
   23    60        INIT_FCALL                                               'var_dump'
         61        SEND_VAL                                                 <false>
         62        DO_ICALL                                                 
         63      > RETURN                                                   1

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