1. What is the primary purpose of PHP?
2. How do you declare a variable in PHP?
3. Which symbol starts a PHP code block?
4. What is the difference between
5. How do you create an array in PHP?
6. Which function is used to get the length of a string in PHP?
7. What is the use of the
8. How do you handle form data in PHP?
9. What does the
10. How can you include another PHP file in your script?
11. What is the purpose of the
12. How do you define a function in PHP?
13. What is the difference between
14. How do you connect to a MySQL database using PHP?
15. Which function executes a SQL query in PHP?
16. What is the use of the
17. How do you start a session in PHP?
18. What is the purpose of the
19. How do you redirect a user to another page in PHP?
20. What is the use of the
#️⃣ #php #webdevelopment #coding #programming #backend #scripting #serverside #dev
By: t.iss.one/DataScienceQ🚀
2. How do you declare a variable in PHP?
3. Which symbol starts a PHP code block?
4. What is the difference between
echo and print in PHP? 5. How do you create an array in PHP?
6. Which function is used to get the length of a string in PHP?
7. What is the use of the
isset() function in PHP? 8. How do you handle form data in PHP?
9. What does the
$_GET superglobal contain? 10. How can you include another PHP file in your script?
11. What is the purpose of the
require_once statement? 12. How do you define a function in PHP?
13. What is the difference between
== and === in PHP? 14. How do you connect to a MySQL database using PHP?
15. Which function executes a SQL query in PHP?
16. What is the use of the
mysqli_fetch_assoc() function? 17. How do you start a session in PHP?
18. What is the purpose of the
session_start() function? 19. How do you redirect a user to another page in PHP?
20. What is the use of the
header() function in PHP? #️⃣ #php #webdevelopment #coding #programming #backend #scripting #serverside #dev
By: t.iss.one/DataScienceQ
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❔ Interview question
What is the difference between the
Answer: Theis for loose comparison, checking for value equality after type juggling. For example, is for strict comparison, checking for both value AND type equality, without any type conversion. So, to use to avoid unexpected bugs.
tags: #interview #php
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By: @DataScienceQ ✨
What is the difference between the
== (loose comparison) and === (strict comparison) operators in PHP?Answer: The
== operator 1 == "1" is true. The === operator 1 === "1" is false. It's generally safer ===tags: #interview #php
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By: @DataScienceQ ✨
❔ Interview question
What is the difference between
Answer:only if a variable is declared and is not . In contrast, is considered "falsy", which includes or an empty array. A key difference is that a variable like is set (so is true), but also considered empty (so is true).
tags: #interview #php
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By: @DataScienceQ ✨
What is the difference between
isset() and empty() in PHP?Answer:
isset() returns true NULLempty() returns true if a variable NULL, false, 0, "0", an empty string "", $var = 0; isset()empty()tags: #interview #php
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By: @DataScienceQ ✨
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