PHP Arrays Easy Questions and Answers | Page - 4

PHP Arrays

What will be the output of the following PHP code ?

<?php
$Emp1 = array("Ajit", "Rahul");
$Emp2 = array("Ats", "Aju");
print_r(array_replace($Emp1, $Emp2));
?>

```
Array
(
    [0] => Ats
)
```

Nothing

```
Array
(
    [0] => Ats
    [1] => Aju
)
```

Error

None of these

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NA

Correct Option: A

The array_replace() function replaces the values of the first array with the values from following arrays

What will be the output of the following PHP code?

<?php
$Flower = array("Rose", "Lily", "Sunflower");
echo "I like " . $Flower[0] . ", " . $Flower[1] . " and " . $Flower[2] . ".";
?>

1. Error
1. Nothing
1. Rose Lily Sunflower
1. I like Rose, Lily and Sunflower.
1. None of these

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NA

Correct Option: D

The array() function is used to create an array.

What will be the output of the following PHP code?

<?php
$Profile = array("Ajit"=>"22", "Ats"=>"23", "Aju"=>"24");
print_r(array_change_key_case($Profile, CASE_UPPER));
?>

Array
(
    [AJIT] => 22
    [ATS] => 23
    [AJU] => 24
)

```
Array
(
    [AJIT] => 22
    [ATS] => 23
)
```

```
Array
(
    [AJIT] => 22
)
```

```
Array
(
    [AJU] => 24
)
```

None of these

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NA

Correct Option: A

The array_change_key_case() function changes all keys in an array to lowercase or uppercase.

What will be the output of the following PHP code?

<?php
$Flower = array("Daffodil", "Dahlia", "Daisy", "Daphne", "Delphinium", "Dianella");
print_r(array_chunk($Flower, 3));
?>

Array
(
    [0] => Array
        (
            [0] => Daffodil
            [1] => Dahlia
            [2] => Daisy
        )
)

Array
(
       [1] => Array
        (
            [0] => Daphne
            [1] => Delphinium
            [2] => Dianella
        )
)

Array
(
    [0] => Array
        (
            [0] => Daffodil
            [1] => Dahlia
            [2] => Daisy
        )

    [1] => Array
        (
            [0] => Daphne
            [1] => Delphinium
            [2] => Dianella
        )
)

Array
(
    [0] => Array
        (
            [0] => Daffodil
            [1] => Dahlia
        )

    [1] => Array
        (
            [0] => Daphne
            [1] => Delphinium
        )
)

None of these

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NA

Correct Option: C

The array_chunk() function splits an array into chunks of new arrays.

What will be the output of the following PHP code?

<?php
$EmpName = array("Ajit Kumar Gupta", "Ats Yogi", "Aju Jayaraj");
$Salary = array("35000", "37000", "43000");
$Result = array_combine($EmpName, $Salary);
print_r($Result);
?>

```
Array
(
    [Aju Jayaraj] => 43000
)
```

Array
(
    [Ajit Kumar Gupta] => 35000
    [Ats Yogi] => 37000
)

Array
(
    [Ajit Kumar Gupta]
    [Ats Yogi]
    [Aju Jayaraj]
)

Array
(
    [Ajit Kumar Gupta] => 35000
    [Ats Yogi] => 37000
    [Aju Jayaraj] => 43000
)

None of these

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NA

Correct Option: D

The array_combine() function creates an array by using the elements from one “keys” array and one “values” array