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.";

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

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

Error

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PHP Regular Expressions
Which one of the following regular expression matches any string containing zero or one p?

P?

p#

p+

p*

P?

p#

p+

p*

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PHP Regular Expressions
Which among the following is/are not a metacharacter?
1. /a
2. /A
3. /b
4. /B

1 and 3

Only 1

2 and 4

2, 3 and 4

1 and 3

Only 1

2 and 4

2, 3 and 4

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PHP Regular Expressions
Say we have two compare two strings which of the following function/functions can you use?
1. strcmp()
2. strcasecmp()
3. strspn()
4. strcspn()

All of the mentioned

1 and 2

None of the mentioned

3 and 4

All of the mentioned

1 and 2

None of the mentioned

3 and 4

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PHP Regular Expressions
PHP has long supported two regular expression implementations known as _ and _.
1. Perl
2. PEAR
3. Pearl
4. POSIX

2 and 4

1 and 4

1 and 2

2 and 3

2 and 4

1 and 4

1 and 2

2 and 3

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PHP Regular Expressions
POSIX implementation was deprecated in which version of PHP?

PHP 5.2

PHP 5.3

PHP 4

PHP 5

PHP 5.2

PHP 5.3

PHP 4

PHP 5

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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 Which one of the following regular expression matches any string containing zero or one p?

PHP Regular Expressions Which among the following is/are not a metacharacter?1. /a2. /A3. /b4. /B

PHP Regular Expressions Say we have two compare two strings which of the following function/functions can you use?1. strcmp()2. strcasecmp()3. strspn()4. strcspn()

PHP Regular Expressions PHP has long supported two regular expression implementations known as _______ and _______.1. Perl2. PEAR3. Pearl4. POSIX

PHP Regular Expressions POSIX implementation was deprecated in which version of PHP?

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
Which one of the following regular expression matches any string containing zero or one p?

PHP Regular Expressions
Which among the following is/are not a metacharacter?
1. /a
2. /A
3. /b
4. /B

PHP Regular Expressions
Say we have two compare two strings which of the following function/functions can you use?
1. strcmp()
2. strcasecmp()
3. strspn()
4. strcspn()

PHP Regular Expressions
PHP has long supported two regular expression implementations known as _ and _.
1. Perl
2. PEAR
3. Pearl
4. POSIX

PHP Regular Expressions
POSIX implementation was deprecated in which version of PHP?