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<?php $a = '011'; var_dump($a); var_dump(is_int($a)); var_dump(ctype_digit($a)); $a = 011; var_dump(is_int($a)); $a = '11'; var_dump(is_int($a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5rhEd
function name:  (null)
number of ops:  25
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '011'
    3     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    4     4        INIT_FCALL                                               'var_dump'
          5        TYPE_CHECK                                   16  ~3      !0
          6        SEND_VAL                                                 ~3
          7        DO_ICALL                                                 
    5     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'ctype_digit'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $5      
         12        SEND_VAR                                                 $5
         13        DO_ICALL                                                 
    7    14        ASSIGN                                                   !0, 9
    8    15        INIT_FCALL                                               'var_dump'
         16        TYPE_CHECK                                   16  ~8      !0
         17        SEND_VAL                                                 ~8
         18        DO_ICALL                                                 
   10    19        ASSIGN                                                   !0, '11'
   11    20        INIT_FCALL                                               'var_dump'
         21        TYPE_CHECK                                   16  ~11     !0
         22        SEND_VAL                                                 ~11
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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