filter_var
(no version information, might be only in CVS)
filter_var -- Filters a variable with a specified filter
Description
mixed
filter_var ( mixed variable [, int filter [, mixed options]] )
Parameters
variable
Value to filter, arrays are filtered recursively.
filter
ID of a filter to use.
Defaults to FILTER_SANITIZE_STRING.
options
Associative array of options or bitwise disjunction of flags. If filter
accepts options, flags can be provided in "flags" field of array. For
the "callback" filter, callback type should be passed.
Return Values
Returns the filtered data, or FALSE if the filter fails.
Examples
Example 1. A filter_var() example
<?php
var_dump(filter_var('bob@example.com', FILTER_VALIDATE_EMAIL));
var_dump(filter_var('example.com', FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED));
?>
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The above example will output: string(15) "bob@example.com"
bool(false) |
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