What are the risks of PHP sessions?

So everyone says that sessions have security risks, I want to know what kind of risks are these? What can hackers do with sessions?

shortest and fastest way to parse php data

i have files i need to convert into a database. these files (i have over 100k) are from an old system (generated from a cobol script). i am now part of the team that migrate data from this system to the new system.

jQuery - filter element based on .data() key/value

Say I have 4 div elements with class .navlink , which, when clicked, use .data() to set a key called 'selected' , to a value of true :

How to replace the string values stored with in a variable in objective c

I got an xml in output for the webservices.I have the result in the variable and i stored the result in that variable.Now i want to replace the strings in that variable.How to replace the strings in that variable. For ex:

I"ve got a stack with this API Respond data

lets to the point : I've got respond code like this