Which one of the following is not a preg PHP function Mcq?

Which of the following is not a preg PHP function?

9. Which one of the following is not a preg PHP function? Explanation: The function preg_match_all() matches all occurrences of pattern in string. 10.

What is the purpose of Preg_match () regular expression in PHP?

PHP | Regular Expressions

Function Definition
preg_match() This function searches for a specific pattern against some string. It returns true if pattern exists and false otherwise.

What is regular expression in PHP?

A regular expression is a sequence of characters that forms a search pattern. … A regular expression can be a single character, or a more complicated pattern. Regular expressions can be used to perform all types of text search and text replace operations.

Which is true about pattern parameter of Preg_match function?

The preg_match() function searches string for pattern, returning true if pattern exists, and false otherwise. If the optional input parameter pattern_array is provided, then pattern_array will contain various sections of the subpatterns contained in the search pattern, if applicable.

What is PHP call function?

A PHP function provides code that a PHP script can call to perform a task, such as Count(), file_get_contents(), and header(). The PHP language supports both procedural and object-oriented programming paradigms.

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Is a number PHP?

The is_numeric() function is an inbuilt function in PHP which is used to check whether a variable passed in function as a parameter is a number or a numeric string or not. The function returns a boolean value.

What is Preg_replace function in PHP?

The preg_replace() function is an inbuilt function in PHP which is used to perform a regular expression for search and replace the content. Syntax: preg_replace( $pattern, $replacement, $subject, $limit, $count )

Which of the following best describes PHP?

PHP is a server-side scripting language created in 1995 by Rasmus Lerdorf. PHP is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.

Is substring in string PHP?

You can use the PHP strpos() function to check whether a string contains a specific word or not. The strpos() function returns the position of the first occurrence of a substring in a string. If the substring is not found it returns false . Also note that string positions start at 0, and not 1.

What is the full form of PHP?

PHP (recursive acronym for PHP: Hypertext Preprocessor ) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.

What is PHP file handling?

File handling in PHP is similar as file handling is done by using any programming language like C. PHP has many functions to work with normal files. Those functions are: 1) fopen() – PHP fopen() function is used to open a file.

How a variable is declared in PHP?

In PHP, a variable is declared using a $ sign followed by the variable name. Here, some important points to know about variables: As PHP is a loosely typed language, so we do not need to declare the data types of the variables. It automatically analyzes the values and makes conversions to its correct datatype.

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