8 questions
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()