PHP SOLUTIONS: DYNAMIC WEB (Web hosting domains) DESIGN MADE EASY The
PHP SOLUTIONS: DYNAMIC WEB DESIGN MADE EASY The default limits set by PHP are quite generous, but you need to make sure that you don t exceed any limits set by your hosting company; if you do, scripts that are otherwise perfect will fail. It s important to note the limit imposed by post_max_size. Even though the default values theoretically permit the simultaneous upload of four 2MB files, the upload is likely to fail because the content of the $_POST array would bring the total to more than 8MB. If the Local Value of file_uploads is Off, uploads have been disabled. There is nothing you can do about it, other than ask your hosting company if it offers a package with file uploading enabled. Your only alternatives are to move to a different host or to use a different solution, such as uploading files by FTP. After using phpinfo() to check your remote server s settings, it s a good idea to remove the script or put it in a password-protected directory. Adding a file upload field to a form Adding a file upload field to an XHTML form is easy. Just add enctype=”multipart/ form-data” to the opening
In most browsers, this code inserts a text input field with a Browse button alongside, as shown in Figure 6-1. However, as the figure shows, not only does Safari label the button differently, but also it doesn t permit direct input of the filename; users are obliged to click Choose File to navigate to the local file. This doesn t affect the operation of an upload form, but you need to take it into consideration when designing the layout. Figure 6-1. Browsers automatically add a button to enable users to select a file ready for uploading.
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