Which of the following is NOT a valid function declaration?

What is the purpose of the 4th argument to the file_get_contents() function?

Which of the following commands will append data to an existing file?

Which of the following statements about SOAP is NOT true?

Which of the following XML declarations is NOT valid?

Which of the following configuration directives increase the risk of remote code injection when
enabled? (Choose 2)

Which of the following is correct? (Choose 2)
1) A class can extend more than one class.
2) A class can implement more than one class.
3) A class can extend more than one interface.
4) A class can implement more than one interface.
5) An interface can extend more than one interface.
6) An interface can implement more than one interface.

Which of the following statements is NOT correct?

What tags can always be used to begin a PHP script (Choose 2)?

What will the following function call return?
<code>
strstr(‘http://example.com/test/file.php’, ‘/’);
</code>