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  1. <?php
  2. function fakeIsFile($file) {
  3.     $isFile = (striPos($file, "test") === FALSE);
  4.     echo("[INFO]: " . $file . ($isFile ? " exists." : " does not exist.") . "\n");
  5.     return $isFile;
  6. }
  7.  
  8. $row["attachments"] = "angeleyes.jpg|test.rar|angeleyes2.png";
  9. $attachments = explode("|", $row["attachments"]);
  10. $newAttachments = array();
  11. $dir = "../uploads/";
  12.  
  13. if ($row["attachments"]) {
  14.     echo("Old attachments: " . $row["attachments"] . "\n");
  15.     forEach ($attachments as $file) {
  16.         if (fakeIsFile($dir . $file)) {
  17.             //echo('<a href="#">' . $file . '</a> ('
  18.             //     . filesize_formatted($dir . $file) . ') <br>');
  19.             $newAttachments[] = $file;
  20.         }
  21.     }
  22.  
  23.     $newAttachments = implode("|", $newAttachments);
  24.     if (strCaseCmp($row["attachments"], $newAttachments) != 0) {
  25.         echo("You need to update the DB !\n");
  26.         echo("New attachments: " . $newAttachments);
  27.     } else {
  28.         echo("No need to update !");
  29.     }
  30. }
  31. ?>
Success #stdin #stdout 0.01s 20568KB
comments ()
stdin
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Standard input is empty
stdout
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Old attachments: angeleyes.jpg|test.rar|angeleyes2.png
[INFO]: ../uploads/angeleyes.jpg exists.
[INFO]: ../uploads/test.rar does not exist.
[INFO]: ../uploads/angeleyes2.png exists.
You need to update the DB !
New attachments: angeleyes.jpg|angeleyes2.png
https://ideone.com/L1w3ow
Illustration of answer to http://stackoverflow.com/questions/16998559/explode-and-implode.
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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