PHP fscanf() Function
 Complete PHP Filesystem Reference
Definition and Usage
The fscanf() function parses the input from an open file according to the
specified format.
Syntax
fscanf(file,format,mixed)
|
| Parameter |
Description |
| file |
Required. Specifies the file to check |
| format |
Required. Specifies the format. Possible format values:
- %% - Returns a percent sign
- %b - Binary number
- %c - The character according to the ASCII value
- %d - Signed decimal number
- %e - Scientific notation (e.g. 1.2e+2)
- %u - Unsigned decimal number
- %f - Floating-point number (local settings aware)
- %F - Floating-point number (not local settings
aware)
- %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. |
| mixed |
Optional. |
Tips and Notes
Note: Any whitespace in the format string matches any whitespace in the input
stream. This means that a tab (\t) in the format string can match a single space
character in the input stream.
Complete PHP Filesystem Reference
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