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<?php $a = 0001111222 ; var_dump($a); var_dump(is_numeric($a)); //true var_dump(ctype_digit($a)); //true $a = 0.1 ; var_dump($a); var_dump(is_numeric($a)); //true var_dump(ctype_digit($a)); //false $a = -1 ; var_dump($a); var_dump(is_numeric($a)); //true var_dump(ctype_digit($a)); //false $a = a ; var_dump($a); var_dump(is_numeric($a)); //false var_dump(ctype_digit($a)); //false var_dump(is_int(sqrt(16)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/upIFA
function name:  (null)
number of ops:  73
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 299666
    4     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    5     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'is_numeric'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $3      
          8        SEND_VAR                                                 $3
          9        DO_ICALL                                                 
    6    10        INIT_FCALL                                               'var_dump'
         11        INIT_FCALL                                               'ctype_digit'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                         $5      
         14        SEND_VAR                                                 $5
         15        DO_ICALL                                                 
    7    16        ASSIGN                                                   !0, 0.1
    8    17        INIT_FCALL                                               'var_dump'
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                                 
    9    20        INIT_FCALL                                               'var_dump'
         21        INIT_FCALL                                               'is_numeric'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $9      
         24        SEND_VAR                                                 $9
         25        DO_ICALL                                                 
   10    26        INIT_FCALL                                               'var_dump'
         27        INIT_FCALL                                               'ctype_digit'
         28        SEND_VAR                                                 !0
         29        DO_ICALL                                         $11     
         30        SEND_VAR                                                 $11
         31        DO_ICALL                                                 
   12    32        ASSIGN                                                   !0, -1
   13    33        INIT_FCALL                                               'var_dump'
         34        SEND_VAR                                                 !0
         35        DO_ICALL                                                 
   14    36        INIT_FCALL                                               'var_dump'
         37        INIT_FCALL                                               'is_numeric'
         38        SEND_VAR                                                 !0
         39        DO_ICALL                                         $15     
         40        SEND_VAR                                                 $15
         41        DO_ICALL                                                 
   15    42        INIT_FCALL                                               'var_dump'
         43        INIT_FCALL                                               'ctype_digit'
         44        SEND_VAR                                                 !0
         45        DO_ICALL                                         $17     
         46        SEND_VAR                                                 $17
         47        DO_ICALL                                                 
   17    48        FETCH_CONSTANT                                   ~19     'a'
         49        ASSIGN                                                   !0, ~19
   18    50        INIT_FCALL                                               'var_dump'
         51        SEND_VAR                                                 !0
         52        DO_ICALL                                                 
   19    53        INIT_FCALL                                               'var_dump'
         54        INIT_FCALL                                               'is_numeric'
         55        SEND_VAR                                                 !0
         56        DO_ICALL                                         $22     
         57        SEND_VAR                                                 $22
         58        DO_ICALL                                                 
   20    59        INIT_FCALL                                               'var_dump'
         60        INIT_FCALL                                               'ctype_digit'
         61        SEND_VAR                                                 !0
         62        DO_ICALL                                         $24     
         63        SEND_VAR                                                 $24
         64        DO_ICALL                                                 
   21    65        INIT_FCALL                                               'var_dump'
         66        INIT_FCALL                                               'sqrt'
         67        SEND_VAL                                                 16
         68        DO_ICALL                                         $26     
         69        TYPE_CHECK                                   16  ~27     $26
         70        SEND_VAL                                                 ~27
         71        DO_ICALL                                                 
         72      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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