3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tracking = '1Z0ER5190360727519'; if(count(preg_match("/\b(1Z ?[0-9A-Z]{3} ?[0-9A-Z]{3} ?[0-9A-Z]{2} ?[0-9A-Z]{4} ?[0-9A-Z]{3} ?[0-9A-Z]|[\dT]\d\d\d ?\d\d\d\d ?\d\d\d)\b/i", $tracking))>1){print "UPS";} if(count(preg_match("/\b((96\d\d\d\d\d ?\d\d\d\d|96\d\d) ?\d\d\d\d ?d\d\d\d( ?\d\d\d)?)\b/i", $tracking))>1){print "FedEx";} if(count(preg_match("/\b(91\d\d ?\d\d\d\d ?\d\d\d\d ?\d\d\d\d ?\d\d\d\d ?\d\d|91\d\d ?\d\d\d\d ?\d\d\d\d ?\d\d\d\d ?\d\d\d\d)\b/i", $tracking))>1){print "FedEx";}
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 9
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 17
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 24, Position 2 = 25
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
Branch analysis from position: 17
Branch analysis from position: 9
filename:       /in/h63ct
function name:  (null)
number of ops:  26
compiled vars:  !0 = $tracking
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '1Z0ER5190360727519'
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5Cb%281Z+%3F%5B0-9A-Z%5D%7B3%7D+%3F%5B0-9A-Z%5D%7B3%7D+%3F%5B0-9A-Z%5D%7B2%7D+%3F%5B0-9A-Z%5D%7B4%7D+%3F%5B0-9A-Z%5D%7B3%7D+%3F%5B0-9A-Z%5D%7C%5B%5CdT%5D%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%29%5Cb%2Fi'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        COUNT                                            ~3      $2
          6        IS_SMALLER                                               1, ~3
          7      > JMPZ                                                     ~4, ->9
          8    >   ECHO                                                     'UPS'
    4     9    >   INIT_FCALL                                               'preg_match'
         10        SEND_VAL                                                 '%2F%5Cb%28%2896%5Cd%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd%7C96%5Cd%5Cd%29+%3F%5Cd%5Cd%5Cd%5Cd+%3Fd%5Cd%5Cd%5Cd%28+%3F%5Cd%5Cd%5Cd%29%3F%29%5Cb%2Fi'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                         $5      
         13        COUNT                                            ~6      $5
         14        IS_SMALLER                                               1, ~6
         15      > JMPZ                                                     ~7, ->17
         16    >   ECHO                                                     'FedEx'
    5    17    >   INIT_FCALL                                               'preg_match'
         18        SEND_VAL                                                 '%2F%5Cb%2891%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%7C91%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd+%3F%5Cd%5Cd%5Cd%5Cd%29%5Cb%2Fi'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                         $8      
         21        COUNT                                            ~9      $8
         22        IS_SMALLER                                               1, ~9
         23      > JMPZ                                                     ~10, ->25
         24    >   ECHO                                                     'FedEx'
         25    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.04 ms | 1388 KiB | 15 Q