What will be the output of the following PHP code?<br/>$author = "nachiketh@example.com";<br/>$author = str_replace("a","@",$author);<br/>echo "Contact the author of this article at $author.";

PHP Regular Expressions
What will be the output of the following PHP code?
$author = "nachiketh@example.com";
$author = str_replace("a","@",$author);
echo "Contact the author of this article at $author.";

Contact the author of this article at nachiketh@ex@mple.com

Error

Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com

Contact the author of this article at n@chiketh@ex@mple.com

Contact the author of this article at nachiketh@ex@mple.com

Error

Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com

Contact the author of this article at n@chiketh@ex@mple.com

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PHP Regular Expressions
What will be the output if we replace the line $num = preg_grep(“/[0-5]/”, $number); with $num = preg_grep(“/[0-5]/”, $number, PREG_GREP_INVERT);?

Array([2]=>two [3]=>three [4]=>four)

Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5)

Array([1]=> 1)

Array([0]=>0 [5]=>5)

Array([2]=>two [3]=>three [4]=>four)

Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5)

Array([1]=> 1)

Array([0]=>0 [5]=>5)

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PHP Regular Expressions
POSIX stands for

Portable Operating System Interface for Linux

Portative Operating System Interface for Linux

Portative Operating System Interface for Unix

Portable Operating System Interface for Unix

Portable Operating System Interface for Linux

Portative Operating System Interface for Linux

Portative Operating System Interface for Unix

Portable Operating System Interface for Unix

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PHP Regular Expressions
What will be the output of the following PHP code?
$line = "You like dogs. I hate dogs. We should marry."
$sen = preg_split('/./', $line);
print_r($sen);

You like dogs. I hate dogs. We should marry.

Array([0]=>You like dogs. [1]=>I hate dogs. [2]=>We should marry.)

Array([0]=>You like dogs. I hate dogs. We should marry.)

Error

You like dogs. I hate dogs. We should marry.

Array([0]=>You like dogs. [1]=>I hate dogs. [2]=>We should marry.)

Array([0]=>You like dogs. I hate dogs. We should marry.)

Error

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PHP Regular Expressions
What will be the output of the following PHP code?
$foods = array("pasta", "steak", "fish", "potatoes");
$food = preg_grep("/^s/", $foods);
print_r($food);

Array ( [1] => steak )

Array ( [0] => potatoes )

Array ( [3] => potatoes )

Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes )

Array ( [1] => steak )

Array ( [0] => potatoes )

Array ( [3] => potatoes )

Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes )

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PHP Regular Expressions
What will be the output of the following PHP code?
$name = "What is your name?";
if (preg_match("/name/"),$name)
echo "My name is Will Pitt ";
else
echo "My name is not Will Pitt ";
if (preg_match("/are/"))
echo "I am great"else echo "I am not great";

My name is Will Pitt I am great

My name is not Will Pitt I am great

My name is not Will Pitt I am not great

My name is Will Pitt I am not great

My name is Will Pitt I am great

My name is not Will Pitt I am great

My name is not Will Pitt I am not great

My name is Will Pitt I am not great

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PHP Regular Expressions

PHP Regular Expressions What will be the output of the following PHP code?$author = "nachiketh@example.com";$author = str_replace("a","@",$author);echo "Contact the author of this article at $author.";

PHP Regular Expressions What will be the output if we replace the line $num = preg_grep(“/[0-5]/”, $number); with $num = preg_grep(“/[0-5]/”, $number, PREG_GREP_INVERT);?

PHP Regular Expressions POSIX stands for

PHP Regular Expressions What will be the output of the following PHP code?$line = "You like dogs. I hate dogs. We should marry."$sen = preg_split('/./', $line);print_r($sen);

PHP Regular Expressions What will be the output of the following PHP code?$foods = array("pasta", "steak", "fish", "potatoes");$food = preg_grep("/^s/", $foods);print_r($food);

PHP Regular Expressions What will be the output of the following PHP code?$name = "What is your name?";if (preg_match("/name/"),$name)echo "My name is Will Pitt ";elseecho "My name is not Will Pitt ";if (preg_match("/are/"))echo "I am great"else echo "I am not great";

PHP Regular Expressions
What will be the output of the following PHP code?
$author = "nachiketh@example.com";
$author = str_replace("a","@",$author);
echo "Contact the author of this article at $author.";

PHP Regular Expressions
What will be the output if we replace the line $num = preg_grep(“/[0-5]/”, $number); with $num = preg_grep(“/[0-5]/”, $number, PREG_GREP_INVERT);?

PHP Regular Expressions
POSIX stands for

PHP Regular Expressions
What will be the output of the following PHP code?
$line = "You like dogs. I hate dogs. We should marry."
$sen = preg_split('/./', $line);
print_r($sen);

PHP Regular Expressions
What will be the output of the following PHP code?
$foods = array("pasta", "steak", "fish", "potatoes");
$food = preg_grep("/^s/", $foods);
print_r($food);

PHP Regular Expressions
What will be the output of the following PHP code?
$name = "What is your name?";
if (preg_match("/name/"),$name)
echo "My name is Will Pitt ";
else
echo "My name is not Will Pitt ";
if (preg_match("/are/"))
echo "I am great"else echo "I am not great";