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<?php function validateMobile($mobile){ return preg_match("/^1[345789]\d{9}$/", $mobile); } var_dump(validateMobile('15905199150')); var_dump(validateMobile('13900000000'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SYSAm
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'validatemobile'
          2        SEND_VAL                                                 '15905199150'
          3        DO_FCALL                                      0  $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
    8     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'validatemobile'
          8        SEND_VAL                                                 '13900000000'
          9        DO_FCALL                                      0  $2      
         10        SEND_VAR                                                 $2
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Function validatemobile:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SYSAm
function name:  validateMobile
number of ops:  7
compiled vars:  !0 = $mobile
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5E1%5B345789%5D%5Cd%7B9%7D%24%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5      > RETURN                                                   $1
    5     6*     > RETURN                                                   null

End of function validatemobile

Generated using Vulcan Logic Dumper, using php 8.0.0


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166.29 ms | 1397 KiB | 19 Q