[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] validate credit card() function validating email addresses 2nd Web data 2nd validating credit card number 2nd 3rd values adding to arrays NULL as default returning from functions 2nd returning more than one from functions 2nd variables $this 2nd accessing from within classes 2nd 3rd accessing outside functions 2nd checking whethere valid numbers 2nd classes and creating references to establishing default value for 2nd global 2nd 3rd 4th making public and private 2nd memory address of retaining value of between function calls 2nd swapping value of 2nd types of 2nd vectors, reading and writing 2nd voyager.php source code 2nd 3rd |