Definition
The sscanf() function parses input from a string according to a specified format. The sscanf() function parses a string into variables based on the format string.
Syntax
sscanf(string, format, arg1, arg2, ...arg)
Parameters
| Parameter | Description |
|---|---|
string |
Required. Specifies the string to read. |
format |
Required. Specifies the format to use. Possible format values: %% - Returns a percent sign%c - The character according to the ASCII value%d - Signed decimal number (negative, zero or positive)%e - Scientific notation using a lowercase (e.g. 1.2e+2)%u - Unsigned decimal number (equal to or greather than zero)%f - Floating-point number%o - Octal number%s - String%x - Hexadecimal number (lowercase letters)%X - Hexadecimal number (uppercase letters)Additional format values. These are placed between the % and the letter (example %.2f): + (Forces both + and - in front of numbers. By default, only negative numbers are marked)' (Specifies what to use as padding. Default is space. Must be used together with the width specifier. Example: %'x20s (this uses "x" as padding)- (Left-justifies the variable value)[0-9] (Specifies the minimum width held of to the variable value).[0-9] (Specifies the number of decimal digits or maximum string length) |
arg1 |
Optional. The first variable to store data in. |
arg2 |
Optional. The second variable to store data in. |
...arg |
Optional. The third, fourth, and so on, to store data in. |
Example
<?php
$str = "country:USA pop:160000000";
sscanf($str, "country:%s pop:%d", $country,$pop);
// show types and values
var_dump($country,$pop);