PHP Intermediate Quiz 2

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Quiz 2
1. Which function joins array elements into a single string?
2. How do you add an element to the end of an array?
3. Which function reads an entire file into a string?
4. Which fopen mode appends data to the end of a file?
5. Which function combines two or more arrays into one?
6. In PHP, what does the '===' operator check for?
7. How do you convert a PHP array into a JSON string?
8. Which function is used to perform a regular expression match?
9. How do you set the default timezone in a PHP script?
10. Which function is used to delete a file?
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