500+ Php Questions - Set 1 [With Solutions]

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Php Questions Set 1:

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Php Questions

Set 1/11

What is the concatenation operator in PHP?

How many error levels are available in PHP?

How does PHP recognize constructors?

construct()

classname()

_construct()

__construct()

Which of the following scope property is not supported by php.

static

public

friendly

final

What will be the output?

`<?php`

`if(1)`

`echo "Sun";`

`echo "Moon";`

`?>`

Sun

Moon

SunMoon

None of the above

Which of the following PHP functions accepts any number of parameters?

func_get_argv()

func_get_args()

get_argv()

get_argc()

Which function initializes the constants necessary for using the openlog(), closelog(), and syslog() functions?

define_variable()

define_log_variable()

log_variable()

define_syslog_variable()

Which parameter determines whether the old session file will also be deleted when the session ID is regenerated?

delete_session_file

delete_old_session_file

delete_old_file

delete_old_session

What is the correct code to establish connection to a mysql server using PHP?

$con=mysqli_connect("localhost", "username", "password");

$con=mysqli_connect("username", "password");

$con=mysqli_con("username", "password", "localhost");

$con=mysqli_connect("username", "password", "localhost");

Which of the following PHP superglobal variables are used to authenticate a user?

i) $_SERVER['PHP_AUTH_USER'] and iv) $_SERVER['PHP_AUTH_PW']

ii) $_SERVER['PHP_AUTH_USERS'] and iii) $_SERVER['PHP_AUTH_PU']

i) $_SERVER['PHP_AUTH_USER'] and ii) $_SERVER['PHP_AUTH_USERS']

ii) $_SERVER['PHP_AUTH_USERS'] and iv) $_SERVER['PHP_AUTH_PW']

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Qn. Sets

Php Questions Set 1:

Php Questions

What is the concatenation operator in PHP?

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Reveal Answer

How many error levels are available in PHP?

Reveal Answer

Reveal Answer

How does PHP recognize constructors?

Reveal Answer

Reveal Answer

Which of the following scope property is not supported by php.

Reveal Answer

Reveal Answer

What will be the output? <?php if(1) echo "Sun"; echo "Moon"; ?>

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Reveal Answer

Which of the following PHP functions accepts any number of parameters?

Reveal Answer

Reveal Answer

Which function initializes the constants necessary for using the openlog(), closelog(), and syslog() functions?

Reveal Answer

Reveal Answer

Which parameter determines whether the old session file will also be deleted when the session ID is regenerated?

Reveal Answer

Reveal Answer

What is the correct code to establish connection to a mysql server using PHP?

Reveal Answer

Reveal Answer

Which of the following PHP superglobal variables are used to authenticate a user?

Reveal Answer

Reveal Answer

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What will be the output?

`<?php`

`if(1)`

`echo "Sun";`

`echo "Moon";`

`?>`