PHP fprintf() Function

February 6, 2021 6:33 pm IST

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PHP fprintf()

The fprintf() function writes a formatted string to a specified output stream.

Warning: The c type specifier ignores padding and width.

PHP Compiler

<?php $count = 9; $file = fopen("fruits.txt", "w"); echo fprintf($file, "I have %f apples.", $count); ?>

The following text is written to the file 'fruit.txt'

I have 9.000000 apples.

fprintf(handle, format, arg1, arg2, ...)

Value	Type	Explanation
handle	Required	Specifies a file system pointer resource that is typically created using fopen().
format	Required	Specifies the string and how to format the variables in it. Possible format values: %% - Returns a percent sign. %b - A binary number. %c - The ASCII value. %d - Signed decimal number (negative, zero or positive). %e - Scientific notation using a lowercase. %E - Scientific notation using a uppercase. %f - Floating-point number (local aware). %F - Floating-point number (non-locale aware). %g - shorter of %e and %f. %G - shorter of %E and %f. %o - An octal number. %s - A string. %u - Unsigned decimal number (equal to or greather than zero). %x - A hexadecimal number (lowercase letters). %X - A hexadecimal number (uppercase letters).
arg1	Required	The argument to be added as the first %-sign in the formatted string.
arg2, ..	Optional	The argument to be added as the second %-sign in the formatted string and so on.