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<?php $find = Array( 0 => 'Lorem Ipsum', 1 => 'Lorem Ipsum', 2 => 'typesetting', 3 => 'dummy' , 4 => 'dummy' ); $replace = Array( 0 => 'style1', 1 => 'style2', 2 => 'style3', 3 => 'style4', 4 => 'style5' ); $string = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book."; function str_replace_first($search, $replace, $subject) { if (($pos = strpos($subject, $search)) !== false) { return substr_replace($subject, $replace, $pos, strlen($search)); } return $subject; } $result = $string; foreach ($find as $key => $search) { $result = str_replace_first($search, $replace[$key], $result); } echo $result;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 15
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 15
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/F8hZC
function name:  (null)
number of ops:  18
compiled vars:  !0 = $find, !1 = $replace, !2 = $string, !3 = $result, !4 = $search, !5 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   11     1        ASSIGN                                                   !1, <array>
   19     2        ASSIGN                                                   !2, 'Lorem+Ipsum+is+simply+dummy+text+of+the+printing+and+typesetting+industry.+%0A+++++++++++Lorem+Ipsum+has+been+the+industry%27s+standard+dummy+text+ever+since+the+1500s%2C+%0A+++++++++++when+an+unknown+printer+took+a+galley+of+type+and+scrambled+it+to+make+a+type+specimen+book.'
   30     3        ASSIGN                                                   !3, !2
   31     4      > FE_RESET_R                                       $10     !0, ->15
          5    > > FE_FETCH_R                                       ~11     $10, !4, ->15
          6    >   ASSIGN                                                   !5, ~11
   32     7        INIT_FCALL                                               'str_replace_first'
          8        SEND_VAR                                                 !4
          9        FETCH_DIM_R                                      ~13     !1, !5
         10        SEND_VAL                                                 ~13
         11        SEND_VAR                                                 !3
         12        DO_FCALL                                      0  $14     
         13        ASSIGN                                                   !3, $14
   31    14      > JMP                                                      ->5
         15    >   FE_FREE                                                  $10
   34    16        ECHO                                                     !3
   35    17      > RETURN                                                   1

Function str_replace_first:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 18
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/F8hZC
function name:  str_replace_first
number of ops:  20
compiled vars:  !0 = $search, !1 = $replace, !2 = $subject, !3 = $pos
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   23     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
   24     3        INIT_FCALL                                               'strpos'
          4        SEND_VAR                                                 !2
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $4      
          7        ASSIGN                                           ~5      !3, $4
          8        TYPE_CHECK                                  1018          ~5
          9      > JMPZ                                                     ~6, ->18
   25    10    >   INIT_FCALL                                               'substr_replace'
         11        SEND_VAR                                                 !2
         12        SEND_VAR                                                 !1
         13        SEND_VAR                                                 !3
         14        STRLEN                                           ~7      !0
         15        SEND_VAL                                                 ~7
         16        DO_ICALL                                         $8      
         17      > RETURN                                                   $8
   27    18    > > RETURN                                                   !2
   28    19*     > RETURN                                                   null

End of function str_replace_first

Generated using Vulcan Logic Dumper, using php 8.0.0


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