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<?php $float = 1.223; $float2 = 789.012; $prefix = ' World67'; echo round($float, 2). ' Hello ' . (int) $float . substr($prefix, 0, 6) . substr($prefix, 0, 6); echo \PHP_EOL; echo round($float2, 2). ' Hello ' . (int) $float2 . substr($prefix, 0, 6) . substr($prefix, 0, 6); echo \PHP_EOL . '---' . \PHP_EOL; $pattern = '%1$.2f Hello %1$.d %2$.6s'; printf($pattern, $float, $prefix); echo \PHP_EOL; printf($pattern, $float2, $prefix); echo \PHP_EOL; //purposefully error printf($pattern, $prefix);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8PWil
function name:  (null)
number of ops:  63
compiled vars:  !0 = $float, !1 = $float2, !2 = $prefix, !3 = $pattern
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 1.223
    4     1        ASSIGN                                                   !1, 789.012
    5     2        ASSIGN                                                   !2, '+World67'
    6     3        INIT_FCALL                                               'round'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 2
          6        DO_ICALL                                         $7      
          7        CONCAT                                           ~8      $7, '+Hello+'
          8        CAST                                          4  ~9      !0
          9        CONCAT                                           ~10     ~8, ~9
         10        INIT_FCALL                                               'substr'
         11        SEND_VAR                                                 !2
         12        SEND_VAL                                                 0
         13        SEND_VAL                                                 6
         14        DO_ICALL                                         $11     
         15        CONCAT                                           ~12     ~10, $11
         16        INIT_FCALL                                               'substr'
         17        SEND_VAR                                                 !2
         18        SEND_VAL                                                 0
         19        SEND_VAL                                                 6
         20        DO_ICALL                                         $13     
         21        CONCAT                                           ~14     ~12, $13
         22        ECHO                                                     ~14
    7    23        ECHO                                                     '%0A'
    8    24        INIT_FCALL                                               'round'
         25        SEND_VAR                                                 !1
         26        SEND_VAL                                                 2
         27        DO_ICALL                                         $15     
         28        CONCAT                                           ~16     $15, '+Hello+'
         29        CAST                                          4  ~17     !1
         30        CONCAT                                           ~18     ~16, ~17
         31        INIT_FCALL                                               'substr'
         32        SEND_VAR                                                 !2
         33        SEND_VAL                                                 0
         34        SEND_VAL                                                 6
         35        DO_ICALL                                         $19     
         36        CONCAT                                           ~20     ~18, $19
         37        INIT_FCALL                                               'substr'
         38        SEND_VAR                                                 !2
         39        SEND_VAL                                                 0
         40        SEND_VAL                                                 6
         41        DO_ICALL                                         $21     
         42        CONCAT                                           ~22     ~20, $21
         43        ECHO                                                     ~22
    9    44        ECHO                                                     '%0A---%0A'
   10    45        ASSIGN                                                   !3, '%251%24.2f+Hello+%251%24.d+%252%24.6s'
   11    46        INIT_FCALL                                               'printf'
         47        SEND_VAR                                                 !3
         48        SEND_VAR                                                 !0
         49        SEND_VAR                                                 !2
         50        DO_ICALL                                                 
   12    51        ECHO                                                     '%0A'
   13    52        INIT_FCALL                                               'printf'
         53        SEND_VAR                                                 !3
         54        SEND_VAR                                                 !1
         55        SEND_VAR                                                 !2
         56        DO_ICALL                                                 
   14    57        ECHO                                                     '%0A'
   16    58        INIT_FCALL                                               'printf'
         59        SEND_VAR                                                 !3
         60        SEND_VAR                                                 !2
         61        DO_ICALL                                                 
         62      > RETURN                                                   1

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