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<?php $a = "abcdefffefa"; $b = "afe"; print(str_replace(array_unique(explode('', $b)), '', $a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ijL4Y
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'abcdefffefa'
    4     1        ASSIGN                                                   !1, 'afe'
    6     2        INIT_FCALL                                               'str_replace'
          3        INIT_FCALL                                               'array_unique'
          4        INIT_FCALL                                               'explode'
          5        SEND_VAL                                                 ''
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                         $4      
          8        SEND_VAR                                                 $4
          9        DO_ICALL                                         $5      
         10        SEND_VAR                                                 $5
         11        SEND_VAL                                                 ''
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                         $6      
         14        ECHO                                                     $6
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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