Home PHP Output of PHP programs | Set 4

Output of PHP programs | Set 4

PHP | Ds\Sequence pop() Function

PHP srand( ) Function

Predict the output of below PHP programs:

Question 1




<?php
  
"Welcome to w3wiki!"
  
?> 






                        







													
													
												

												
												

													
													
Options:

													
													
												

												
												

													
													
    

  1. Error
    2. 

  2. Welcome to w3wiki!
    3. 

  3. Nothing
    4. 

  4. Missing semicolon error
    5. 


													
													
												

												
												

													
													
Output:

													
													
												

												
												

													
													
Nothing


													
													
												

												
												

													
													
Explanation: If you need to output something onto the screen you’ll need to use echo or print_r.

													
													
												

												
												

													
													
Question 2

													
													
												

												
												

													
													









                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















<?php 


  


print_r "I am intern at w3wiki."


  


?> 















													
													
												

												
												

													
													



                        







                        







													
													
												

												
												

													
													
Options:

													
													
												

												
												

													
													
    

  1. Error
    2. 

  2. I am intern at w3wiki.
    3. 

  3. Nothing
    4. 

  4. Missing semicolon error
    5. 


													
													
												

												
												

													
													
Output:

													
													
												

												
												

													
													
Error


													
													
												

												
												

													
													
Explanation: The statement should be print_r(‘I am intern at w3wiki.’) to print Hello world. Also if there is only one line then there is no requirement of a semicolon, but it is better to use it.

													
													
												

												
												

													
													
Question 3

													
													
												

												
												

													
													











                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















<?php 


  


echo 'w3wiki'; 


  


<html> 


w3wiki 


</html> 


  


?> 



















                        







                        









													
													
												

												
												

													
													
Options:

													
													
												

												
												

													
													
    

  1. w3wiki
    2. 

  2. w3wiki w3wiki
    3. 

  3. w3wiki
    
w3wiki
    4. 

  4. Syntax Error
    5. 


													
													
												

												
												

													
													
Output:

													
													
												

												
												

													
													
Syntax Error


													
													
												

												
												

													
													
Explanation: Parse error: syntax error, unexpected ‘<‘ on line 2. You can not use the html tag inside php tags.

													
													
												

												
												

													
													
Question 4

													
													
												

												
												

													
													









                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















<?php 


  


Echo "w3wiki1"; 


echo " w3wiki2"; 


ECHO " w3wiki3"; 


  


?> 















													
													
												

												
												

													
													



                        







                        







													
													
												

												
												

													
													
Options:

													
													
												

												
												

													
													
    

  1. w3wiki1 w3wiki2 w3wiki3
    2. 

  2. w3wiki1
    
   w3wiki2
    
   w3wiki3
    3. 

  3. Error
    4. 

  4. w3wiki1 w3wiki3
    5. 


													
													
												

												
												

													
													
Output:

													
													
												

												
												

													
													
w3wiki1 w3wiki2 w3wiki3


													
													
												

												
												

													
													
Explanation: In PHP, all user-defined functions, classes, and keywords (e.g. if, else, while, echo, etc.) are case-insensitive.

													
													
												

												
												

													
													
Question 5

													
													
												

												
												

													
													









                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















<?php 


  


$color = "green"; 


echo "$color"; 


echo "$COLOR"; 


echo "$Color"; 


  


?> 















													
													
												

												
												

													
													



                        







                        







													
													
												

												
												

													
													
Options:

													
													
												

												
												

													
													
    

  1. greengreengreen
    2. 

  2. greengreen
    3. 

  3. green
    4. 

  4. Error
    5. 


													
													
												

												
												

													
													
Output:

													
													
												

												
												

													
													
green


													
													
												

												
												

													
													
Explanation: In PHP, all variables are case-sensitive.

													
													
												

												
												

													
													
Question 6

													
													
												

												
												

													
													









                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















<?php # echo "w3wiki"; 


   


echo "# w3wiki";  


  


?> 















													
													
												

												
												

													
													



                        







                        







													
													
												

												
												

													
													
Options:

													
													
												

												
												

													
													
    

  1. # w3wiki
    2. 

  2. w3wiki# w3wiki
    3. 

  3. w3wiki
    4. 

  4. Error
    5. 


													
													
												

												
												

													
													
Output:

													
													
												

												
												

													
													
# w3wiki


													
													
												

												
												

													
													
Question 7

													
													
												

												
												

													
													









                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















<?php 


  


echo "echo "w3wiki""; 


  


?> 















													
													
												

												
												

													
													



                        







                        







													
													
												

												
												

													
													
Options:

													
													
												

												
												

													
													
    

  1. w3wiki
    2. 

  2. echo “w3wiki”
    3. 

  3. echo w3wiki
    4. 

  4. Error
    5. 


													
													
												

												
												

													
													
Output:

													
													
												

												
												

													
													
Error


													
													
												

												
												

													
													
Explanation: It would have printed echo “w3wiki” if the statement was echo “echo ”w3wiki””;.

													
													
												

												
												

													
													

													
													
												

												
												

													
													

													
													
												

												
												

													
													

													
													
												

												
													
											

											
										

									

									

										
										
Tags:

										
										#PHP-output
										
										#PHP
										
										#Web Technologies
										
										

									

									

										

											
											
												
												PHP | Ds\Sequence pop() Function
											
											
										

										

											
											
												PHP srand( ) Function
												
											
											
										

									

								

								

									
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