What is difference between printf () and sprintf () in PHP Mcq?

What is the use of sprintf () function in PHP?

The sprintf() function in PHP is used to write a formatted string to a variable and returns a formatted string.

What is the difference between printf () and puts ()?

the printf() function is used to print both strings and variables to the screen while the puts() function only permits you to print a string only to your screen. puts is the simple choice and adds a new line in the end and printf writes the output from a formatted string.

What is printf in PHP?

The printf() function outputs a formatted string. The arg1, arg2, ++ parameters will be inserted at percent (%) signs in the main string. This function works “step-by-step”.

What is a difference between printf () and disp () command in Scilab?

1 Answer. For disp , it displays the value of variable. Another example. fprintf(formatSpec,A1,…,An) formats data and displays the results on the screen.

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Why do we use %s in PHP?

with printf or sprintf characters preceded by the % sign are placeholders (or tokens). They will be replaced by a variable passed as an argument.

Is sprintf safe to use?

Warning: The sprintf function can be dangerous because it can potentially output more characters than can fit in the allocation size of the string s . Remember that the field width given in a conversion specification is only a minimum value. To avoid this problem, you can use snprintf or asprintf , described below.

What is printf () in C?

1. printf() function in C language: In C programming language, printf() function is used to print the (“character, string, float, integer, octal and hexadecimal values”) onto the output screen. We use printf() function with %d format specifier to display the value of an integer variable.

What does puts () do in C?

The puts function in C is used to write a line or string to the output stream ( stdout ) that is up to, but does not include, the null character. The puts function also appends a newline character to the output and returns an integer.

Why puts is used in C?

The puts() function in C/C++ is used to write a line or string to the output( stdout ) stream. It prints the passed string with a newline and returns an integer value. The return value depends on the success of the writing procedure.

Is printf used in PHP?

PHP string printf() Function. PHP string printf() function predefined functions. It is used to output a formatted string. We can pass the arg1, arg2, arg++ parameters at percent (%) signs in the main string.

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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 Print_r?

The print_r() function is a built-in function in PHP and is used to print or display information stored in a variable. … This parameter is of boolean type whose default value is FALSE and is used to store the output of the print_r() function in a variable rather than printing it.

Which language is used in Scilab?

Scilab syntax is largely based on the MATLAB language.

How do you use DISP?

disp( X ) displays the value of variable X without printing the variable name. Another way to display a variable is to type its name, which displays a leading “ X = ” before the value. If a variable contains an empty array, disp returns without displaying anything.

What is %s in Matlab?

%s represents character vector(containing letters) and %f represents fixed point notation(containining numbers). In your case you want to print letters so if you use %f formatspec you won’t get the desired result.