Php sscanf
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PHP function sscanf
This function parses input string to variable base on a specific format.
Syntax sscanf
- string: string input
- format: format string
- arg1: for the first variable to store data
- arg2: for the second variable to store data
- arg++: for the third,fourth, and so on, to store data
sscanf(string,format,arg1,arg2,arg++)
format
- % - returns a percent sign.
- b - is an integer and display it as a binary number.
- c - is an integer and display it as a ASCII value.
- d - is an integer and display as a signed decimal number.
- e - is scientific notation with lowercase letter e(e.g. 1.2e+2).
- E - is scientific notation with capital letter E(e.g.1.2E+2).
- u - is an integer, and display as an unsigned decimal number.
- f- is a float, and display as a floating-point number. (local aware)
- F - is a float, and display as a floating-point number (non-locale aware).
- g - is shorter of %e and %f.
- G - is shorter of %E and %f.
- o - is an integer, and display as an octal number.
- s - is string and display as a string.
- x - is an integer and display as a hexadecimal number (with lowercase letters).
- X - is an integer and display as a hexadecimal number (with uppercase letters).
- + - force (+) sign for positive number, and (-) for negative number.
- ' - padding: %'x20s (uses 'x' as padding), %'u20x (uses 'u' as padding)
- - - Left justified variable value
- [0-9] - the minimum width specifies to the width of the variable value.
- .[0-9] - set the decimal digits or maximum of the string width.
Example 1
<?php $string = "name:johny age:30 address:Houston Tx"; sscanf($string, "name:%s age:%d address:%s", $name, $age, $address); var_dump($name, $age, $address); ?>
Output
string(5) "johny" int(30) string(7) "Houston"
Example 2
<?php $str = "I am 23 year old"; $str_aa = sscanf($str, "%s %s %d %s %s"); print_r($str_aa); ?>
Output
Array
(
[0] => I
[1] => am
[2] => 23
[3] => year
[4] => old
)
