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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:  13
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        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%2C%2B%2F'
          3        SEND_VAL                                                 '%2C'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
    5     7        INIT_FCALL                                               'trim'
          8        SEND_VAR                                                 !1
          9        SEND_VAL                                                 '%2C'
         10        DO_ICALL                                         $5      
         11        ECHO                                                     $5
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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