Software Engineering Life

Dec 09, 20242 min read

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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