What is the use of STR POS function in PHP?

This function helps us to find the position of the first occurrence of a string in another string. This returns an integer value of the position of the first occurrence of the string. This function is case-sensitive, which means that it treats upper-case and lower-case characters differently.

What is the strpos () function used for?

The strpos() function is used to find the position of first occurrence of a string inside another string.

What is the difference between Strpos and Stripos in PHP?

The strpos() function finds the position of a string and the stripos() function is the same as the strpos() function but is used for a case-insensitive search. Both return the position of the first occurrence of a string inside another string. If the string is not found, this function returns FALSE.

What are the string functions in PHP?

The PHP string functions are part of the PHP core.

PHP String Functions.

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Function Description
echo() Outputs one or more strings
explode() Breaks a string into an array
fprintf() Writes a formatted string to a specified output stream
get_html_translation_table() Returns the translation table used by htmlspecialchars() and htmlentities()

What is use of $_ request [] array in PHP?

PHP $_REQUEST is a PHP super global variable which is used to collect data after submitting an HTML form.

What is Stripos function in PHP?

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

Can we use include two times in a PHP page?

Yes, you can include as many times as you wish.

Is a number PHP?

The is_numeric() function checks whether a variable is a number or a numeric string. This function returns true (1) if the variable is a number or a numeric string, otherwise it returns false/nothing.

How a variable is declared in PHP?

In PHP, a variable is declared using $ sign followed by variable name. The main way to store information in the middle of a PHP program is by using a variable. … Variables in PHP do not have intrinsic types – a variable does not know in advance whether it will be used to store a number or a string of characters.

How do you declare a function?

You can declare a function by providing its return value, name, and the types for its arguments. The names of the arguments are optional. A function definition counts as a function declaration.

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How do I get the first character of a string in PHP?

$firstCharacter = $string[0]; //Get the first character using substr. $firstCharacter = substr($string, 0, 1); //Get the first two characters using the “index” approach. $firstTwoCharacters = $string[0] . $string[1]; //Get the first two characters using substr.

What is the use of Array_flip () function?

The array_flip() function is used to exchange the keys with their associated values in an array. The function returns an array in flip order, i.e. keys from array become values and values from array become keys.

What is PHP full form?

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 are PHP functions?

A function is a piece of code which takes one more input in the form of parameter and does some processing and returns a value. You already have seen many functions like fopen() and fread() etc. They are built-in functions but PHP gives you option to create your own functions as well.

How many types of functions are there in PHP?

Types of Functions in PHP. There are two types of functions as: Internal (built-in) Functions. User Defined Functions.

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