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Saturday 10 November 2018

Upwork Test answers 2018 | Latest | Solved | Top 10 %

Q.1:

Given the following array:

$array = array(0 => 'blue', 1 => 'red', 2 => 'Green', 3 => 'red');

which one of the following will print 2?



Q.2:

if you are given two dates in this form;

Start Date: 2017-03-24
End Date: 2009-06-26

which code snippet finds the difference between these 2 in the following form;

2 years, 3 months, and 2 days

PHP > 5.3



Q.3:

PDO_MYSQL data source name (DSN) is composed of following elements?




Q.4:

Which function can be used to determine if a file exists?


Q.5:
you can extend the exception class but you cannot extend any on the preceding methods because they are declared as:



Q.6: 

PHP currently offering following functions for searching strings using POSIX-Style regular expressions?





Q.7:

 How to create a database with PHP in MySQL server?



Q.8:

 with regard to the static keyword in PHP, which of the following statement is false?



Q.9:

 which of the following is not a valid DOM method in PHP?




Q.10: 

which of the following statement is incorrect with respect to "!==" and "==!"?



Q.11:

 what is the procedural style of the associative array?



Q.12: 

what is the difference between "echo" and "print" in PHP?


Q.13:

what will be the output of the following code?

<?php
var_dump(floor(3.74));
?>




Q.14:

Which of the following will be used to print today's date in PHP?




Q.15:

what is the output of the following code?

$foo = 400;
$bar = 10;
echo $foo."+".$bar;




Q.16:


Correct format to convert represent year 2




Q.17:

How to enable short tag in php.ini file?



Q.18:

What will be the output of the following code?


Q.19:


How to remove white spaces from the beginning and end of the string variable in PHP?




Q.20:

how would you create enums in php?



Q.21:

which of the following are valid My_Sqli configuration options?



Q.22:

Which of these is not a valid API?



Q.23:

PHP currently offers the following functions for searching strings using POSIX style regular expressions?


Q.24:

placing the _____ symbol before a function tells php to suppress any errors generated by that function



Q.25:

How can you rename a file in PHP?



Q.26:

simple way to send smtp email:



Q.27:

What are methods in PHP?



Q.28:

what happens if the fatal error was thrown in your program?



Q.29:

what is the best practice for running MySQL queries in PHP consider the risk of SQL injection?



Q.30:

what is the correct syntax of constructor function?



Q.31:

what is wrong with the following code ?



Q.32:

what of the following mode is used to write into the file at the end of the existing content and create the file if it does not exist?



Q.33:

what will be the output of the following code?




Q.34:

which function is used to determine that a file exists?




Q.35:

which function is used to read a file removing the HTML and PHP tags in it?



Q.36:

which function will used to destroy a variable or object?



Q.37:

which inbuilt function will add value to end of the array?



Q.38:

which is the correct syntax of mail() function in PHP?



Q.39:

which is the valid way to add 1 to count variable?



Q.40:

which method is use d to tweak an object cloning behavior in php?



Q.41:

which mime type needs to be used to send an attachment in mail?



Q.42:

which of the following are valid MySQL configuration options- true?



Q.43:

which of the following will produce val of 83?



Q.44:

which of the following is true about singleton design pattern?



Q.45:

which of the following will detect which request type was used (GET, POST, PUT or DELETE) q.mark?



Q.46:

which of these is not a valid SimpleXml parser method?



Q.47:

which one is valid XML API?



Q.48:

which statement is not correct ?



Q.49:

you can extend the exception class but you can not override any of the preceding methods because they are declared as?



Q.50:


what of the following mode is used to write into the file at the end of the existing content and create the file if it does not exist?



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