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  1. <?php
  2. $row=array(
  3.     "comments"=>"this is a test comment", 
  4.     "title"=>"title text",                      // key in $row not a value in $dictionary
  5.     "current_path"=>"testpath"
  6. );
  7.  
  8. $dictionary=array(
  9.     "0"=>"title",                               // $dictionary key equals zero (falsey)
  10.     "current_directory"=>"current_path",
  11.     "comments"=>"comments", 
  12.     "bogus2"=>"bogus2"                          // $dictionary value not a key in $row
  13. );
  14.  
  15. foreach($row as $k=>$v){
  16.     if(($newkey=array_search($k,$dictionary))!==false){  // if not false, store value as $newkey
  17.         $result[$newkey]=$v;                    // store value using new key
  18.     }else{
  19.         $result[$k]=$v;                         // no key swap, store unchanged element
  20.     }
  21. }
  22. var_export($result);
Success #stdin #stdout 0.01s 82880KB
comments (?)
stdin
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Standard input is empty
stdout
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array (
  'comments' => 'this is a test comment',
  0 => 'title text',
  'current_directory' => 'testpath',
)
https://ideone.com/iSpdrV
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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