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<?php $string = ", , GUWAHATI, TEZPUR, , BAMUNI HILLS, MAHABHAIRAB TEMPLE, AGNIGARH , "; echo preg_replace('/\s*(?:,\s*)+/', ', ', trim($string, ", \n\r\t\v\x00"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LAiWX
function name:  (null)
number of ops:  6
compiled vars:  !0 = $string
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '%2C+%2C+GUWAHATI%2C+TEZPUR%2C+%2C+BAMUNI+HILLS%2C+MAHABHAIRAB+TEMPLE%2C+AGNIGARH+%2C+++'
    4     1        FRAMELESS_ICALL_2                trim                ~2      !0, '%2C+%0A%0D%09%0B%00'
          2        FRAMELESS_ICALL_3                preg_replace        ~3      '%2F%5Cs%2A%28%3F%3A%2C%5Cs%2A%29%2B%2F', '%2C+'
          3        OP_DATA                                                      ~2
          4        ECHO                                                         ~3
          5      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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