what is the syntax of the SSCANF() function in php?
|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)Note: If multiple additional format values are used, they must be in the same order as above.|
|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|
examples of the SSCANF() function
Example 1. In this example, we parse a string.
<?php $str = "age:30 weight:60kg"; sscanf($str,"age:%d weight:%dkg",$age,$weight); // show types and values var_dump($age,$weight); ?>
Example 1. In this example, we use the format values %s, %d and %c.
<?php $str = "If you divide 4 by 2 you'll get 2"; $format = sscanf($str,"%s %s %s %d %s %d %s %s %c"); print_r($format); ?>