PHProxy is a Web HTTP proxy programmed in PHP. It has similarities to CGIProxy by Jim Marshall, however, doesn't generally permit logging in, which means myspace and other user based sites are out. Options available are: disable JavaScript, accept cookies, show images, etc.
VS1: poxy-0.4.zip - Jotti's malware scan
VS2: VirusTotal - Free Online Virus, Malware and URL Scanner
Glype Proxy is a free web-based proxy script written in PHP. It allows webmasters to quickly and easily set up their own proxy site. Glype Proxy is intended to be a fast and reliable alternative to the widely used PHProxy and CGIProxy. Glype proxy has been coded with a strict emphasis on speed, performance and usability.
VS1: glype-1.1.zip - Jotti's malware scan
VS2: VirusTotal - Free Online Virus, Malware and URL Scanner
SURROGAFIER PROXY SCRIPT
Surrogafier is a PHP proxy script which is easy to install and provides a 3 tier web proxy. It's free to use and distribute! Features include the ability to remove cookies, the HTTP referer field, the HTTP user-agent field, scripts on the page, and objects, altering the user-agent string to whatever you please, and tunnelling your proxied traffic through a second proxy.
VS1: VirusTotal - Free Online Virus, Malware and URL Scanner
VS2: surro proxy.rar - Jotti's malware scan