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<?php $str1= '082307'; echo substr(chunk_split($str1, 2, ':'),0,0); ?> - See more at: http://www.w3resource.com/php-exercises/php-string-exercises.php#sthash.bzfnf2JW.dpuf
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RUTlY
function name:  (null)
number of ops:  14
compiled vars:  !0 = $str1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '082307'
    3     1        INIT_FCALL                                               'substr'
          2        INIT_FCALL                                               'chunk_split'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 2
          5        SEND_VAL                                                 '%3A'
          6        DO_ICALL                                         $2      
          7        SEND_VAR                                                 $2
          8        SEND_VAL                                                 0
          9        SEND_VAL                                                 0
         10        DO_ICALL                                         $3      
         11        ECHO                                                     $3
    4    12        ECHO                                                     '++%0A-+See+more+at%3A+http%3A%2F%2Fwww.w3resource.com%2Fphp-exercises%2Fphp-string-exercises.php%23sthash.bzfnf2JW.dpuf'
    5    13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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