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<?php $str = "91018,4551,67),(91019,4551,70),(91020,4551,80),"; $pattern = '/(,)$/'; $str2 = preg_replace($pattern,'', $str); echo $str2;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SbYXA
function name:  (null)
number of ops:  10
compiled vars:  !0 = $str, !1 = $pattern, !2 = $str2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '91018%2C4551%2C67%29%2C%2891019%2C4551%2C70%29%2C%2891020%2C4551%2C80%29%2C'
    3     1        ASSIGN                                                   !1, '%2F%28%2C%29%24%2F'
    4     2        INIT_FCALL                                               'preg_replace'
          3        SEND_VAR                                                 !1
          4        SEND_VAL                                                 ''
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $5      
          7        ASSIGN                                                   !2, $5
    5     8        ECHO                                                     !2
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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