- Multiple inputs may be interconnected in such way that client side events that occur on one input can trigger actions on the context of other inputs. Developers may use input interconnection support without writing Javascript code.
- Can be extended with new types of input controls plug-in classes.
- Custom input plug-in classes can be used to support for handling client site events on the server side without submitting the form or redrawing the whole form page
- Some control plug-in classes are made available:
* AJAX based form submission (without reloading the whole page)
* Auto-complete text inputs
* Select a location on a map using Google Maps API
* Calendar date input
* CAPTCHA test to prevent automated access by robots
* Linked select input to switch select options when the value of another input changes. An unlimited number of selected can be linked in cascade. Additional plug-in subclasses are provided to retrive option groups from a MySQL database or many other SQL databases using the Metabase PEAR::MDB2 PHP database abstraction layer APIs
* Manage animations that apply visual effects to the page form elements, like: fade-in, fade-out, show, hide, update content, etc..
- XHTML compliant output.
- Load submitted form field values even with register_globals option Off and strip slashes when magic_quotes_gpc option is On.
- Keyboard navigation support:
* Attachment of labels with activation keys to each form field.
* Tab navigation order index.
- Built-in server side (PHP based) and client side (Javascript 1.0 or better) field validation for:
* E-mail address
* Credit card numbers (Visa, Mastercard, American Express, Discover, Diners Club, Carte Blanche, enRoute, JCB, any of these or even determined by a select field).
* Regular expressions.
* Field not empty.
* Field equal to another (useful for password confirmation fields).
* Field different from another (useful for reminder fields that must not be equal to the actual password).
* As set (for check boxes, radio buttons and select multiple fields).
* As integer number (with range limitation).
* As floating point number (with range limitation).
* Programmer defined client and server validation functions.
- Highlight invalid fields rendering them distinct CSS styles
- Security attack prevention by optionally discarding invalid values passed in fields that could not be edited by users but may be spoofed by attackers.
- Option to define a value that, when used in a field, it is accepted without performing any of the validations defined for the field.
- Ability to stop the user from submiting a form more than once inadvertdly.
- Sub form validation (validate only smaller set of field depending on the submit button that was used).
- Composition and generation of the form HTML output with fields displayed as fully accessible or in read-only mode.
- Generation of Javascript functions (useful to set to the page ONLOAD event):
* Set the input focus to a field.
* Select the text of a field.
* Set the input focus and select the text of a field.
* Enable and disable input fields
- Automatic capitalization of the text of a field:
* Upper case.
* Lower case.
* Word initials
- Replacement of text field expressions to perform adjustments like trimming whitespace or auto-complete values based on rules defined by regular expressions
- Compose forms with templates using plain HTML files with embedded PHP code or using the Smarty template engine with a supplied pre-filter plugin
- Etc.
This class can be used to handle files that are uploaded to a server via Web forms.
It supports applying upload filters to restrict the files that are accepted according to configurable criteria like: file name extension, MIME type, file size, width and height in case the files are images.
It also supports handling uploads of multiple files.
It can also add prefixes to the uploaded file names, giving unique names or changing the file name extension for security reasons.
This class is meant to assist in the management of files uploaded via Web forms.
It provides means to copy the uploaded files a separate folder. If the files are images in the GIF, PNG or JPEG format, it may also generate thumbnails by rescaling the uploaded images.
a basic upload script.. You can also resize the uploaded image and create thumbnails with that image
Manage file uploads via forms with security checks
This class has the purpose of ease and secure the upload of files.
It executes several tests on the uploaded files and the upload directory to validate and secure the upload. It checks the file name extension, type, size and directory permissions.
It may also create the uploading directory structure, generate a unique random name for the uploaded file, upload multiples files, and keep track of the upload success or failure.
The class code documentation was designed to be fully compatible with phpDocumentator 1.2.2 or better.
Track the progress of file upload with Web sockets
This class can track the progress of file upload using Web sockets receive the files.
It can generate HTML and JavaScript to upload a file by using a TCP socket that listens to the HTTP request on a given port to receive the files being uploaded.
The class can send HTML with JavaScript statements to the browser that will update the upload progress information displayed to the user.
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The Upload class is a wrapper for uploading files using html forms.
The Upload class is a wrapper for uploading files using html forms. The form should have the 'enctype="multipart/form-data"' attribute for this the files to be uploaded properly. The Class should be created by passing $HTTP_POST_FILES as the only argument for the constructor (e.g. $upload = new Upload(&$HTTP_POST_FILES)), and also by reference (the & indicates this). See http://www.sloppycode.net/sloppycode/PHP/cm13.html for the manual.
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