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<?php $slug = '/job/hello-this-is-my-job-posting-for-a-daycare-im-looking-for-in-91770-rosemead-california-12345'; $slugLimit = 70; echo preg_replace_callback( '~^((?:[^-]*-)*)(in-\d{5}-[^-]*-[^-]*-\d*)$~u', fn($m) => implode([ preg_replace( '~^.{0,' . ($slugLimit - mb_strlen($m[2]) - 1) . '}-\K.*~u', '', $m[1] ), $m[2] ]), $slug );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gmtor
function name:  (null)
number of ops:  11
compiled vars:  !0 = $slug, !1 = $slugLimit
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2Fjob%2Fhello-this-is-my-job-posting-for-a-daycare-im-looking-for-in-91770-rosemead-california-12345'
    5     1        ASSIGN                                                   !1, 70
    7     2        INIT_FCALL                                               'preg_replace_callback'
    8     3        SEND_VAL                                                 '%7E%5E%28%28%3F%3A%5B%5E-%5D%2A-%29%2A%29%28in-%5Cd%7B5%7D-%5B%5E-%5D%2A-%5B%5E-%5D%2A-%5Cd%2A%29%24%7Eu'
    9     4        DECLARE_LAMBDA_FUNCTION                          ~4      [0]
          5        BIND_LEXICAL                                             ~4, !1
   16     6        SEND_VAL                                                 ~4
   17     7        SEND_VAR                                                 !0
    7     8        DO_ICALL                                         $5      
   17     9        ECHO                                                     $5
   18    10      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gmtor
function name:  {closure}
number of ops:  24
compiled vars:  !0 = $m, !1 = $slugLimit
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
          2        INIT_FCALL                                               'implode'
   10     3        INIT_FCALL                                               'preg_replace'
   11     4        INIT_FCALL                                               'mb_strlen'
          5        FETCH_DIM_R                                      ~2      !0, 2
          6        SEND_VAL                                                 ~2
          7        DO_ICALL                                         $3      
          8        SUB                                              ~4      !1, $3
          9        SUB                                              ~5      ~4, 1
         10        CONCAT                                           ~6      '%7E%5E.%7B0%2C', ~5
         11        CONCAT                                           ~7      ~6, '%7D-%5CK.%2A%7Eu'
         12        SEND_VAL                                                 ~7
   12    13        SEND_VAL                                                 ''
   13    14        FETCH_DIM_R                                      ~8      !0, 1
         15        SEND_VAL                                                 ~8
   10    16        DO_ICALL                                         $9      
   13    17        INIT_ARRAY                                       ~10     $9
   15    18        FETCH_DIM_R                                      ~11     !0, 2
         19        ADD_ARRAY_ELEMENT                                ~10     ~11
         20        SEND_VAL                                                 ~10
    9    21        DO_ICALL                                         $12     
   15    22      > RETURN                                                   $12
   16    23*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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