PHP AdvancedLesson 35Free preview

PHP File Upload

This lesson is part of PHP · All levels

Summary

PHP supports uploading files from a form to a server, such as photos or document attachments. You need to set the multipart enctype/form-data attribute to the form, and then read the file information from the superglobal $_FILES. This lesson also discusses validating file types and sizes for security reasons.

Key points

The upload form must have enctype="multipart/form-data"
$_FILES stores the name, size, type, and location of the file while
Tmp_name is the temporary location of a file when processed on the server
Validate the file type and size, then rename it before saving it

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