PHP script uploads: add PL3 version for checking extra extensions
PHP script uploads: add PL3 version for checking extra extensions

SpiderLabs/owasp-modsecurity-crs,coreruleset/coreruleset,coreruleset/coreruleset,umarfarook882/owasp-modsecurity-crs,coreruleset/coreruleset,SpiderLabs/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,coreruleset/coreruleset,SpiderLabs/owasp-modsecurity-crs,coreruleset/coreruleset,umarfarook882/owasp-modsecurity-crs,umarfarook882/owasp-modsecurity-crs,umarfarook882/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,umarfarook882/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,coreruleset/coreruleset