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<?php $str = ',,,,,apples,,,,,,oranges,pears,,kiwis,,'; $string = preg_replace("/,+/", ",", $str); echo trim($string,',');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0rLEr
function name:  (null)
number of ops:  7
compiled vars:  !0 = $str, !1 = $string
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '%2C%2C%2C%2C%2Capples%2C%2C%2C%2C%2C%2Coranges%2Cpears%2C%2Ckiwis%2C%2C'
    4     1        FRAMELESS_ICALL_3                preg_replace        ~3      '%2F%2C%2B%2F', '%2C'
          2        OP_DATA                                                      !0
          3        ASSIGN                                                       !1, ~3
    5     4        FRAMELESS_ICALL_2                trim                ~5      !1, '%2C'
          5        ECHO                                                         ~5
          6      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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