strip down all potentially dangerous content within HTML


This parser strips down all potentially dangerous content within HTML:
 * opening tag without its closing tag
 * closing tag without its opening tag
 * any of these tags: "base", "basefont", "head", "html", "body", "applet",
   "object", "iframe", "frame", "frameset", "script", "layer", "ilayer",
   "embed", "bgsound", "link", "meta", "style", "title", "blink", "xml", etc.
 * any of these attributes: on*, data*, dynsrc
 * javascript:/vbscript:/about: etc. protocols
 * expression/behavior etc. in styles
 * any other active content

It also tries to convert code to XHTML valid, but htmltidy is far better solution for this task.

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Install this software package

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Install php-html-safe