Usage analysis of sprintf () function in php

Usage analysis of sprintf () function in php

This article describes how to use the sprintf () function in php. if you need it, refer to it. Sprintf function The sprintf () function writes formatted strings to a variable. Syntax sprintf (format, arg1, arg2, arg ++) Parameter description Format is required. Conversion format. Arg1 is required. Specifies the parameter inserted at the first % symbol in the format string. Optional. Specifies the parameter inserted at the second % symbol in the format string. Optional. Specifies the parameters inserted to the third, fourth, and other % symbols in the format string. Description The format parameter is the conversion format. it starts with the percent sign ("%") and ends with the conversion character. The following are possible format values: %-Return percent sign % B-binary number % c-following the ASCII value character % d-signed decimal number % e-resumable notation (such as 1.5e + 3) % u-unsigned decimal number % f-floating point number (local settings aware) % F-floating point number (not local settings aware) % o-octal digits % s-string % x-hexadecimal digits (lowercase letters) % X-hexadecimal digits (uppercase letters) Parameters such as arg1, arg2, ++ are inserted to the percent sign (%) in the main string. This function is executed step by step. In the first % symbol, insert arg1, at the second % symbol, insert arg2, and so on. Note: If the % symbol is greater than the arg parameter, you must use a placeholder. The placeholder is inserted after the % symbol, which consists of numbers and "\ $. Tip: Related functions: fprintf (), printf (), vfprintf (), vprintf (), and vsprintf (). The above content is taken from the php manual for your reference.