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<?php $email = '"a"@php.net'; var_dump( filter_var($email, FILTER_VALIDATE_EMAIL), filter_var($email, FILTER_SANITIZE_EMAIL), filter_var(filter_var($email, FILTER_SANITIZE_EMAIL), FILTER_VALIDATE_EMAIL) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gi0ov
function name:  (null)
number of ops:  23
compiled vars:  !0 = $email
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%22a%22%40php.net'
    4     1        INIT_FCALL                                               'var_dump'
    5     2        INIT_FCALL                                               'filter_var'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 274
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
    6     7        INIT_FCALL                                               'filter_var'
          8        SEND_VAR                                                 !0
          9        SEND_VAL                                                 517
         10        DO_ICALL                                         $3      
         11        SEND_VAR                                                 $3
    7    12        INIT_FCALL                                               'filter_var'
         13        INIT_FCALL                                               'filter_var'
         14        SEND_VAR                                                 !0
         15        SEND_VAL                                                 517
         16        DO_ICALL                                         $4      
         17        SEND_VAR                                                 $4
         18        SEND_VAL                                                 274
         19        DO_ICALL                                         $5      
         20        SEND_VAR                                                 $5
         21        DO_ICALL                                                 
    8    22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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