Generally, when using $_FILES to upload files, you can use it$_FILES["file"]["error"]To determine whether a file upload error occurs.$_FILES["file"]["error"]The corresponding error code will be returned:
UPLOAD_ERR_OK
Its value is 0, no error occurred, and the file upload was successful.
UPLOAD_ERR_INI_SIZE
Its value is 1, and the uploaded files exceeds theupload_max_filesize The value of the option limit.
UPLOAD_ERR_FORM_SIZE
Its value is 2, and the uploaded file size exceeds the value specified by the MAX_FILE_SIZE option in the HTML form.
UPLOAD_ERR_PARTIAL
Its value is 3, and only part of the file is uploaded.
UPLOAD_ERR_NO_FILE
Its value is 4 and no files are uploaded.
UPLOAD_ERR_NO_TMP_DIR
Its value is 6 and the temporary folder cannot be found. PHP 4.3.10 and PHP 5.0.3 were introduced.
UPLOAD_ERR_CANT_WRITE
Its value is 7, and the file write failed. PHP 5.1.0 was introduced.
Summarize
The above is the analysis of the error type of uploaded files in PHP introduced to you by the editor. I hope it will be helpful to you. If you have any questions, please leave me a message. The editor will reply to you in time!