php Programming Glossary: x73

Has anyone seen php encryption like this? [closed]

http://stackoverflow.com/questions/12576606/has-anyone-seen-php-encryption-like-this

x6b x72 x71 x68 x61 x64 x6d x69n x47L x4f x42 x41 x4cS x73 x6b x62 x64 x66 x6dn x72e x73 x70 x65 x74 x74 x79 x47 x4c x4f.. x69n x47L x4f x42 x41 x4cS x73 x6b x62 x64 x66 x6dn x72e x73 x70 x65 x74 x74 x79 x47 x4c x4f x42 x41L x53 x72 x76r x61 x77q.. x74 x65 x47 x4c x4f x42ALS x6d x6e x76 x6a x72 x6c x78 x70 x73q x6cp x65 x74t x79 include s x65ss x69o x6e x2e x70h x70 x47..

How to hide an iframe url in HTML source code

http://stackoverflow.com/questions/3207337/how-to-hide-an-iframe-url-in-html-source-code

.attr 'src' 'http www.google.com' becomes var _0xc1cb x73 x72 x63 x68 x74 x74 x70 x3A x2F x2F x77 x77 x77 x2E x67 x6F..

How does this giant regex work?

http://stackoverflow.com/questions/3328235/how-does-this-giant-regex-work

x6C x28 x67 x7A x69 x6E x66 x6C x61 x74 x65 x28 x62 x61 x73 x65 x36 x34 x5F x64 x65 x63 x6F x64 x65 x28'7b1tVxs50jD8OXvO9R9Er3fanhhjm2Q2Y7ADIZCQSSAD5GUC3N623bZ7aLs93W0Mk.. x6C x28 x67 x7A x69 x6E x66 x6C x61 x74 x65 x28 x62 x61 x73 x65 x36 x34 x5F x64 x65 x63 x6F x64 x65 x28 is acutally eval..