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<?php $text = '$foo$ boo hi$$ mon$k$ey $how thi$ $baz$ bar $foobar$'; var_export( preg_replace( '/\B\$\S+\$\B/', '', $text ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S8BTJ
function name:  (null)
number of ops:  10
compiled vars:  !0 = $text
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%24foo%24+boo+hi%24%24+mon%24k%24ey+%24how+thi%24+%24baz%24+bar+%24foobar%24'
    4     1        INIT_FCALL                                               'var_export'
    5     2        INIT_FCALL                                               'preg_replace'
    6     3        SEND_VAL                                                 '%2F%5CB%5C%24%5CS%2B%5C%24%5CB%2F'
    7     4        SEND_VAL                                                 ''
    8     5        SEND_VAR                                                 !0
    5     6        DO_ICALL                                         $2      
    8     7        SEND_VAR                                                 $2
    4     8        DO_ICALL                                                 
   10     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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