Is it better to validate PHP forms using php and then redirecting with errors, or is it better to use javascript validation and then just allow form submission if javascript is enabled.
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Is it better to validate PHP forms using php and then redirecting with errors, or is it better to use javascript validation and then just allow form submission if javascript is enabled.
use javascript to validate format, e.g. email format, password length, etc.
use php to validate db if same record exists, e.g. same username
except hackers, 99% ppl enable javascript, so just throw this worry away.
here I recommend jquery validation plugin for client side validation.