Answer Posted / salil

1. "memcached" is a high-performance, distributed memory
object caching system

2. "memcache" is a php module, which provides procedural and
object oriented interface to memcached server.

3. PHP Usage: ($Value can be the mysql result data array)

$CacheInstance = new Memcache;
$CacheInstance->addServer($Host,$Port);

// STORE
$CacheInstance->set($Key,$Value,MEMCACHE_COMPRESSED,$TTL);
// FETCH
$CacheInstance->get($Key);
// DELETE
$CacheInstance->delete($Key);

What is the importance of php?

1007

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"mysql_fetch_row — Get a result row as an enumerated array",this sentence comes from the PHP offical manual.However ,i can not understand the words "enumerated array".I need some help.Thanks a lot to everyone that reply.

1985

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Write down the benefits of php7?

1097

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Suppose we receive a form submitted by a post to subscribe to a newsletter. This form has only one field, an input text field named email. How would we validate whether the field is empty? Print a message "the email cannot be empty" in this case?

1198

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Explain what does the unset() function means?

1246

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What is the sign to start variables in PHP?

1153

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Explain the difference between require() and require_once()?

1016

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How to receive a cookie from the browser?

1197

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How is csrf token generated?

1035

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Why is node js better than php?

1175

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What types of MYSQL function available for affecting columns

1002

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What is the use session in php?

1085

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What are the functions to be used to get the image's properties (size, width and height)?

1030

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Is php still in demand?

1086

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Which array function checks if the particular key exists in the array?

950

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