Which of the following may be used in conjunction with CASE inside a SWITCH statement?
                                
A.A scalar
B.An expression
C.A boolean
D.All of the above
                              
Click To Show Ans:D
                        

                                
You need to escape special characters to use user input inside a regular expressionWhich
functions would you use? (Choose 2)
                                
A.addslashes()
B.htmlentities()
C.preg_quote()
D.regex_quote()
E.quotemeta()
                              
Click To Show Ans:C,E
                        

                                
What is the ideal method of copying data between two opened files?
                                
A.copy($source_file, $destination_file);
B.copy(destination_file, $source_file);
C.stream_copy_to_stream($source_file, $destination_file);
D.stream_copy_to_stream($destination_file, $source_file);
E.stream_bucket_prepend($source_file, $destination_file);
                              
Click To Show Ans:C
                        

                                
Which sentence describes the following regular expression match?
preg_match('/^\d*(?:\.[0-9]+)?$/', $test);
                                
A.It matches float numbers with thousand separators.
B.It matches float numbers without thousand separators.
C.It matches binary integer numbers.
D.It matches any string.
E.It does not match anything
                              
Click To Show Ans:B
                        

                                
Which of the following did not result in an output error in PHP 4 but does in PHP 5?:
                                
A.Using 'var' as an access modifier.
B.Assigning a new object instance to $this in a constructor.
C.Passing an object by-reference.
D.Passing an object by-value.
                              
Click To Show Ans:B