Junior php questions

• How would you do a variable variable?

• Name as many types in php as you can:

  • Object
  • Array
  • String
  • Int
  • Resource
  • Float aka double
  • Boolean
  • Null

• What is the cause of the following warning: warning cannot modify header information headers already sent.

• Alternative syntax for if and foreach

• What is the difference between require and include

• How many time can you include a file in another php file

• Name some magic constants:

  • File
  • Dir
  • Line
  • Function
  • Class
  • Method
  • Namespace

• What do you understand when I say the inheritance:

• How would you ensure that only a certain type of parameter is passed to a function/method.

• How would you determine the key of the array value in an array.

• What is a recursive function?

• What is the difference between post and get superglobals?

• Is it necessary to close a php file with a ?> ?

• What function will you use to replace a part of a string from the second to fifth character.

• What function would use to output a variable safely on a clients browser

• What is safest connector for mysql

• What globals would you use to authenticate a user on a website.

• What is the most used function in php?

• Do know what SPL is?

• What is the advantage of a stored procdure on mysql

• Do you know how to write a stored procedure in mysql

• What would you use to manipulate an element on the dom without jquery?

• Why is mysql the db used most with php?

• What alternatives are there to MySQL?

• Have you worked with an api before?

• Which ones?

• What would you use to make an array a valid JSON packet?

• You work on windows, production is on Linux, what is the first thing you check if you cant file a file?

• Why php?

• What is the difference between and =?

• What is late static binding?

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