3v4l.org

run code in 300+ PHP versions simultaneously
<?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; } function validationReady( $bool) { if ($bool == false) { echo "\nCannot access validation feature right now"; } return true; } $emails = [$emailA, $emailB]; for ($i=0, $max=count($emails); $i < $max; $i++){ if (!validationReady(validateEmail($emails[$i]))) { echo "Validation feature unavailable"; } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
2 jumps found. (Code = 44) Position 1 = 22, Position 2 = 9
Branch analysis from position: 22
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 19
Branch analysis from position: 18
2 jumps found. (Code = 44) Position 1 = 22, Position 2 = 9
Branch analysis from position: 22
Branch analysis from position: 9
Branch analysis from position: 19
filename:       /in/CI5kn
function name:  (null)
number of ops:  23
compiled vars:  !0 = $emailA, !1 = $emailB, !2 = $emails, !3 = $i, !4 = $max
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'
   23     2        INIT_ARRAY                                       ~7      !0
          3        ADD_ARRAY_ELEMENT                                ~7      !1
          4        ASSIGN                                                   !2, ~7
   24     5        ASSIGN                                                   !3, 0
          6        COUNT                                            ~10     !2
          7        ASSIGN                                                   !4, ~10
          8      > JMP                                                      ->20
   25     9    >   INIT_FCALL                                               'validationready'
         10        INIT_FCALL                                               'validateemail'
         11        FETCH_DIM_R                                      ~12     !2, !3
         12        SEND_VAL                                                 ~12
         13        DO_FCALL                                      0  $13     
         14        SEND_VAR                                                 $13
         15        DO_FCALL                                      0  $14     
         16        BOOL_NOT                                         ~15     $14
         17      > JMPZ                                                     ~15, ->19
   26    18    >   ECHO                                                     'Validation+feature+unavailable'
   24    19    >   PRE_INC                                                  !3
         20    >   IS_SMALLER                                               !3, !4
         21      > JMPNZ                                                    ~17, ->9
   28    22    > > RETURN                                                   1

Function validateemail:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 12
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CI5kn
function name:  validateEmail
number of ops:  20
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        INIT_FCALL                                               'preg_match'
          4        SEND_VAR                                                 !1
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $5      
          7      > JMPZ                                                     $5, ->12
          8    >   NOP                                                      
          9        FAST_CONCAT                                      ~6      !0, '+is+valid%0A'
         10        QM_ASSIGN                                        ~7      ~6
         11      > JMP                                                      ->17
         12    >   ROPE_INIT                                     4  ~9      !2
         13        ROPE_ADD                                      1  ~9      ~9, '+-+'
         14        ROPE_ADD                                      2  ~9      ~9, !0
         15        ROPE_END                                      3  ~8      ~9, '+is+invalid%0A'
         16        QM_ASSIGN                                        ~7      ~8
         17    >   ECHO                                                     ~7
   12    18      > RETURN                                                   <true>
   13    19*     > RETURN                                                   null

End of function validateemail

Function validationready:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
filename:       /in/CI5kn
function name:  validationReady
number of ops:  6
compiled vars:  !0 = $bool
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
   17     1        BOOL_NOT                                         ~1      !0
          2      > JMPZ                                                     ~1, ->4
   18     3    >   ECHO                                                     '%0ACannot+access+validation+feature+right+now'
   20     4    > > RETURN                                                   <true>
   21     5*     > RETURN                                                   null

End of function validationready

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
140.49 ms | 1012 KiB | 16 Q