How can the PHP configuration settings in php.ini impact file upload functionality, and what should be considered when setting upload_max_filesize and upload_tmp_dir?

The PHP configuration settings in php.ini can impact file upload functionality by limiting the maximum file size that can be uploaded (upload_max_filesize) and specifying the temporary directory where uploaded files are stored (upload_tmp_dir). When setting these values, it is important to consider the maximum file size that your application needs to support and ensure that the temporary directory has enough space to store the uploaded files.

; Maximum allowed size for uploaded files.
upload_max_filesize = 20M

; Temporary directory for storing uploaded files.
upload_tmp_dir = /tmp

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PHP configuration settings php.ini file upload functionality upload_max_filesize upload_tmp_dir

How can the PHP configuration settings in php.ini impact file upload functionality, and what should be considered when setting upload_max_filesize and upload_tmp_dir?

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