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<?php $strings = [ 'this/is/the/path/to/my/fileA.php', 'this/could/also/be/the/path/to/my/fileB.php', 'another/example/of/a/long/address/which/is/a/path/to/my/fileC.php', ]; var_export( preg_replace( '~(?:/[^/]*){4}$~', '', $strings ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6TnKq
function name:  (null)
number of ops:  10
compiled vars:  !0 = $strings
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'var_export'
   10     2        INIT_FCALL                                               'preg_replace'
   11     3        SEND_VAL                                                 '%7E%28%3F%3A%2F%5B%5E%2F%5D%2A%29%7B4%7D%24%7E'
   12     4        SEND_VAL                                                 ''
   13     5        SEND_VAR                                                 !0
   10     6        DO_ICALL                                         $2      
   13     7        SEND_VAR                                                 $2
    9     8        DO_ICALL                                                 
   15     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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