What are sql injections, how do you prevent them and what are the best practices?
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What advance thing in php7?
What is Mcrypt used for?
What is a php session?
What are the advantages of php?
Write a function that takes "depth" as argument and return sum of node's data of that depth. For instance, (0) depth 0 / \ (10) (20) depth 1 / \ (40) (50) depth2 If I pass get_sum_by_depth(2) , it would return 90 (i.e. 40 + 50 )
What should be the length of variable for SHA256?
How to invoke a user function?
Tell me what is the main difference between require() and require_once()?
How do you format and output a number with leading zero's?
Can age be a variable?
How to pad an array with the same value multiple times?
Tell me what is pear?