What is the use of Htmlentities function in PHP Mcq?

htmlentities() vs htmlspecialchars() Function in PHP. The htmlentities() function is an inbuilt function in PHP which is used to transform all characters which are applicable to HTML entities. This function converts all characters that are applicable to HTML entity.

What is the use of Htmlspecialchars () function?

The htmlspecialchars() function converts special characters into HTML entities. It is the in-built function of PHP, which converts all pre-defined characters to the HTML entities.

What is the use of strpos function in PHP Mcq?

Explanation: The PHP strpos() function searches for a specific text within a string.

What is use of empty function in PHP Mcq?

The empty() function checks whether a variable is empty or not. This function returns false if the variable exists and is not empty, otherwise it returns true.

Which of the following is the use of strpos function in PHP?

The strpos() function finds the position of the first occurrence of a string inside another string. Note: The strpos() function is case-sensitive. Note: This function is binary-safe. … strripos() – Finds the position of the last occurrence of a string inside another string (case-insensitive)

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Why Htmlspecialchars is used in PHP?

The htmlspecialchars function in PHP is used to convert 5 characters into corresponding HTML entities where applicable. It is used to encode user input on a website so that users cannot insert harmful HTML codes into a site.

How do I allow special characters in PHP?

Tip: To convert special HTML entities back to characters, use the htmlspecialchars_decode() function.

The predefined characters are:

  1. & (ampersand) becomes &
  2. ” (double quote) becomes "
  3. ‘ (single quote) becomes '
  4. < (less than) becomes &lt;
  5. > (greater than) becomes &gt;

What is the use of PHP files?

PHP is mainly focused on server-side scripting, so you can do anything any other CGI program can do, such as collect form data, generate dynamic page content, or send and receive cookies. But PHP can do much more. There are three main areas where PHP scripts are used. Server-side scripting.

What is the use of strlen function in PHP?

The strlen() is a built-in function in PHP which returns the length of a given string. It takes a string as a parameter and returns its length. It calculates the length of the string including all the whitespaces and special characters.

Is empty or null PHP?

empty() This function checks whether a variable evaluates to what PHP sees as a “falsy”(a.k.a empty) value. This being said, a variable is empty if it’s undefined, null, false, 0 or an empty string.

IS NULL PHP if?

The is_null() function checks whether a variable is NULL or not. This function returns true (1) if the variable is NULL, otherwise it returns false/nothing.

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