Is php session id unique?
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What is use of preg_replace in php?
So if md5() generates the most secure hash, why would you ever use the less secure crc32() and sha1()?
What are variables in research examples?
Does php support polymorphism?
What are the different tables present in mysql, which type of table is generated when we are creating a table in the following syntax: create table employee(eno int(2),ename varchar(10)) ?
Tell me what library is used for pdf in php?
What are the 3 scope levels available in php and how would you define them?
What is faster?
what is the diffrence between for and foreach?
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What does $_files means?
What is a http session?
Php being an open source is there any support available to it?