Implement at key stages in form submission process.
html interpretation: htmlspecialchars() function encodes special characters in data, as a security measure
URL : encode data with urldecode() to decodes URL-encoded string
Tag Archives: Encoding
Encoding
Implement at key stages in form submission process.
HTML interpretation: htmlspecialchars() function encodes special characters in data, as a security measure
URL : encode data with urlencode() to interpret as one item
XML Character Encoding
Source Encoding
• Conducted at time of parsing
• Cannot be changed during parser lifetime
• Types
- UTF-8 (php uses this type for internal document representation; bytes up to 21)
- US-ASCII (single byte)
- ISO-8859-1 (single byte; default)
Target Encoding
• Conducted at time of php passing data to xml handlers
• Target encoding initially set to same as source encoding
• Can be changed at any time
Characters not capable of source encoding cause an error
Characters not capable of target encoding are demoted (to “?”)