3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$phone = "841657196818"; //$phone = "841657336818"; if(preg_match("/^([1-9]{2})[0-9]{8|9|10}$/", $phone)) { echo "$phone Valid"; } else { echo "$phone Invalid."; }
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 = 12
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GtKeV
function name:  (null)
number of ops:  13
compiled vars:  !0 = $phone
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%28%5B1-9%5D%7B2%7D%29%5B0-9%5D%7B8%7C9%7C10%7D%24%2F'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4      > JMPZ                                                     $1, ->9
    7     5    >   NOP                                                      
          6        FAST_CONCAT                                      ~2      !0, '+Valid'
          7        ECHO                                                     ~2
          8      > JMP                                                      ->12
    9     9    >   NOP                                                      
         10        FAST_CONCAT                                      ~3      !0, '+Invalid.'
         11        ECHO                                                     ~3
   10    12    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.71 ms | 1398 KiB | 15 Q