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<?php $emailA = "john1@here.com"; $emailB = "john1@here#.com"; function validateEmail( $email ){ $regex = "/^[a-zA-Z0-9.]+@[a-zA-Z0-9.]+\.[a-zA-Z]{2,4}/"; $error = "\nOnly letters, numbers, dot and @ are allowed"; echo (preg_match($regex,$email))? "$email is valid\n" : "$error - $email is invalid\n"; return true; } validateEmail( $emailA ); validateEmail( $emailB );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/l4jc8
function name:  (null)
number of ops:  9
compiled vars:  !0 = $emailA, !1 = $emailB
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'john1%40here.com'
    4     1        ASSIGN                                                       !1, 'john1%40here%23.com'
   15     2        INIT_FCALL                                                   'validateemail'
          3        SEND_VAR                                                     !0
          4        DO_FCALL                                          0          
   16     5        INIT_FCALL                                                   'validateemail'
          6        SEND_VAR                                                     !1
          7        DO_FCALL                                          0          
          8      > RETURN                                                       1

Function validateemail:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/l4jc8
function name:  validateEmail
number of ops:  17
compiled vars:  !0 = $email, !1 = $regex, !2 = $error
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   RECV                                                 !0      
    7     1        ASSIGN                                                       !1, '%2F%5E%5Ba-zA-Z0-9.%5D%2B%40%5Ba-zA-Z0-9.%5D%2B%5C.%5Ba-zA-Z%5D%7B2%2C4%7D%2F'
    8     2        ASSIGN                                                       !2, '%0AOnly+letters%2C+numbers%2C+dot+and+%40+are+allowed'
   10     3        FRAMELESS_ICALL_2                preg_match          ~5      !1, !0
          4      > JMPZ                                                         ~5, ->9
          5    >   NOP                                                          
          6        FAST_CONCAT                                          ~6      !0, '+is+valid%0A'
          7        QM_ASSIGN                                            ~7      ~6
          8      > JMP                                                          ->14
          9    >   ROPE_INIT                                         4  ~9      !2
         10        ROPE_ADD                                          1  ~9      ~9, '+-+'
         11        ROPE_ADD                                          2  ~9      ~9, !0
         12        ROPE_END                                          3  ~8      ~9, '+is+invalid%0A'
         13        QM_ASSIGN                                            ~7      ~8
         14    >   ECHO                                                         ~7
   12    15      > RETURN                                                       <true>
   13    16*     > RETURN                                                       null

End of function validateemail

Generated using Vulcan Logic Dumper, using php 8.5.0


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