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<?php $numeric_string = '42'; $integer = 42; $test = 'test'; var_dump(ctype_digit($numeric_string)); // true var_dump(ctype_digit($integer)); // false var_dump(ctype_digit($test)); // false var_dump(is_numeric($numeric_string)); // true var_dump(is_numeric($integer)); // true var_dump(is_numeric($test)); // true
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/g1Y5P
function name:  (null)
number of ops:  40
compiled vars:  !0 = $numeric_string, !1 = $integer, !2 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '42'
    4     1        ASSIGN                                                   !1, 42
    6     2        ASSIGN                                                   !2, 'test'
    8     3        INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'ctype_digit'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $6      
          7        SEND_VAR                                                 $6
          8        DO_ICALL                                                 
    9     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'ctype_digit'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                         $8      
         13        SEND_VAR                                                 $8
         14        DO_ICALL                                                 
   10    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'ctype_digit'
         17        SEND_VAR                                                 !2
         18        DO_ICALL                                         $10     
         19        SEND_VAR                                                 $10
         20        DO_ICALL                                                 
   12    21        INIT_FCALL                                               'var_dump'
         22        INIT_FCALL                                               'is_numeric'
         23        SEND_VAR                                                 !0
         24        DO_ICALL                                         $12     
         25        SEND_VAR                                                 $12
         26        DO_ICALL                                                 
   13    27        INIT_FCALL                                               'var_dump'
         28        INIT_FCALL                                               'is_numeric'
         29        SEND_VAR                                                 !1
         30        DO_ICALL                                         $14     
         31        SEND_VAR                                                 $14
         32        DO_ICALL                                                 
   14    33        INIT_FCALL                                               'var_dump'
         34        INIT_FCALL                                               'is_numeric'
         35        SEND_VAR                                                 !2
         36        DO_ICALL                                         $16     
         37        SEND_VAR                                                 $16
         38        DO_ICALL                                                 
         39      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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