Which function can be used to move the pointer to the previous array position?

PHP Arrays
Which function can be used to move the pointer to the previous array position?

last()

previous()

before()

prev()

last()

previous()

before()

prev()

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PHP Arrays
What will be the output of the following PHP code?
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
$a3 = array_merge($a1, $a2);
$a4 = array("a", "b", "c", "d");
$a = array_combine($a4, $a3);
print_r($a);

Array ( [a] => red [b] => green [c] => blue [d] => yellow )

Array ( [0] => blue [1] => yellow [2] => red [3] => green )

Array ( [a] => blue [b] => yellow [c] => red [d] => green )

Array ( [0] => red [1] => green [2] => blue [3] => yellow )

Array ( [a] => red [b] => green [c] => blue [d] => yellow )

Array ( [0] => blue [1] => yellow [2] => red [3] => green )

Array ( [a] => blue [b] => yellow [c] => red [d] => green )

Array ( [0] => red [1] => green [2] => blue [3] => yellow )

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PHP Arrays
What will be the output of the following PHP code?
$a = array("a"=>"red", "b"=>"green", "c"=>"blue");
echo array_shift($a);
print_r ($a);

green

red

none of the mentioned

blue

green

red

none of the mentioned

blue

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PHP Arrays
What will be the output of the following PHP code?
$cars = array("Volvo", "BMW", "Toyota");
echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";

I like Toyota, BMW and Volvo

I like Volvo, BMW and Toyota

I like Volvo, Toyota and BMW

I like BMW, Volvo and Toyota

I like Toyota, BMW and Volvo

I like Volvo, BMW and Toyota

I like Volvo, Toyota and BMW

I like BMW, Volvo and Toyota

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PHP Arrays
What will be the output of the following PHP code?
$number = array ("4", "hello", 2);
echo (array_sum ($number));

4

2

4hello2

6

4

2

4hello2

6

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PHP Arrays
Array values are keyed by values (called indexed arrays) or using values (called associative arrays). Of course, these key methods can be combined as well.

Even number, string

Positive number, negative number

String, Boolean

Float, string

Integer, string

Even number, string

Positive number, negative number

String, Boolean

Float, string

Integer, string

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PHP Arrays

PHP Arrays Which function can be used to move the pointer to the previous array position?

PHP Arrays What will be the output of the following PHP code?$a1 = array("red", "green");$a2 = array("blue", "yellow");$a3 = array_merge($a1, $a2);$a4 = array("a", "b", "c", "d");$a = array_combine($a4, $a3);print_r($a);

PHP Arrays What will be the output of the following PHP code?$a = array("a"=>"red", "b"=>"green", "c"=>"blue");echo array_shift($a);print_r ($a);

PHP Arrays What will be the output of the following PHP code?$cars = array("Volvo", "BMW", "Toyota");echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";

PHP Arrays What will be the output of the following PHP code?$number = array ("4", "hello", 2);echo (array_sum ($number));

PHP Arrays Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.

PHP Arrays
Which function can be used to move the pointer to the previous array position?

PHP Arrays
What will be the output of the following PHP code?
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
$a3 = array_merge($a1, $a2);
$a4 = array("a", "b", "c", "d");
$a = array_combine($a4, $a3);
print_r($a);

PHP Arrays
What will be the output of the following PHP code?
$a = array("a"=>"red", "b"=>"green", "c"=>"blue");
echo array_shift($a);
print_r ($a);

PHP Arrays
What will be the output of the following PHP code?
$cars = array("Volvo", "BMW", "Toyota");
echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";

PHP Arrays
What will be the output of the following PHP code?
$number = array ("4", "hello", 2);
echo (array_sum ($number));

PHP Arrays
Array values are keyed by values (called indexed arrays) or using values (called associative arrays). Of course, these key methods can be combined as well.