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Editorial Team
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Asked: 2026-05-14T07:14:38+00:00

I am writing a custom error handling / reporting function for PHP file upload

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I am writing a custom error handling / reporting function for PHP file upload and I noticed that the error codes returned are numbered from 0 to 8 except 5.

Is this a typo in the source I am using or is it really this way? If it is so, I am curious why they have skipped number ‘5’.

Thanks.

Edit
In response to Pekka, here are the error codes from PHP manual.

0 | UPLOAD_ERR_OK         | There is no error, the file uploaded with success.
1 | UPLOAD_ERR_INI_SIZE   | Size exceeds upload_max_filesize in php.ini.
2 | UPLOAD_ERR_FORM_SIZE  | Size exceeds MAX_FILE_SIZE specified in HTML form.
3 | UPLOAD_ERR_PARTIAL    | The uploaded file was only partially uploaded.
4 | UPLOAD_ERR_NO_FILE    | No file was uploaded.
5 | UPLOAD_ERROR_E        | As explained by @Progman, removed in rev.  81792
6 | UPLOAD_ERR_NO_TMP_DIR | Missing a temporary folder.
7 | UPLOAD_ERR_CANT_WRITE | Failed to write file to disk.
8 | UPLOAD_ERR_EXTENSION  | File upload stopped by extension.
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1 Answer

  1. Editorial Team

    It doesn’t matter as you use the UPLOAD_ERR_* constants anyway. But I guess the field 5 was an error which is now handled by a different error case.

    Edit

    The case “5” was an error for empty uploaded files. However this isn’t an error so the field/constant got removed. See changeset 81792 on main/rfc1867.c and changeset 88408 on main/rfc1867.c

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