PHP - Array

PHP’s numerically indexed array begin with position ___________

Which of the following are CORRECT ways of creating an array?

i ) disease[0] = "covid19";

ii) $disease[] = array("covid19");

iii) $disease[0] = "covid19";

iv) $disease = array("covid19");

• iii) and iv)

• Only iii)

• Only iv)

• ii) and iii)

Which of the following PHP function will return true if a variable is an array or false if it is not an array?

• this_array()

• is_array()

• do_array()

• in_array()

Which in-built function will add a value to the end of an array?

• array_unshift()

• into_array()

• inend_array()

• array_push()

What will be the output of the following PHP code?

<?php

$diseases = array ("SARS", "STDs", "Covid19");

echo (next($diseases));

echo (next($diseases));

?>

• STDsCovid19

• SARSCovid19

• SARSSTDs

• Covid19SARS

Which of the following function is used to get the value of the previous element in an array?

• last()

• before()

• prev()

• previous()

What will be the output of the following PHP code?

<?php

$vege = array ("avocado", "broccoli", array ("cabbage", "eggplant"), "fig");

echo (count($vege, 1));

?>

_________________________________________________________

_{The function count() will return the number of elements in an array. The parameter 1 counts the array recursively i.e it will count all the elements of multidimensional arrays.}

• 2

• 4

• 5

• 6

Which function returns an array consisting of associative key/value pairs?

• count()

• array_count()

• array_count_values()

• count_values()