TokyoTyrant::fwmKeys
(PECL tokyo_tyrant >= 0.1.0)
TokyoTyrant::fwmKeys — Returns the forward matching keys
Description
public array TokyoTyrant::fwmKeys
( string $prefix
, int $max_recs
)
Returns the forward matching keys from the database
Parameters
- prefix
-
Prefix of the keys
- max_recs
-
Maximum records to return
Return Values
Returns an array of matching keys. The values are not returned
Examples
Example #1 TokyoTyrant::fwmKeys() example
<?php
$tt = new TokyoTyrant("localhost");
/* Create 20 macthing keys */
for ($i = 0; $i < 20; $i++) {
$tt->put("key_" . $i, "value_" . $i);
}
/* Create 20 non-macthing keys */
for ($i = 0; $i < 20; $i++) {
$tt->put("something_" . $i, "data_" . $i);
}
/* Get five matching keys */
var_dump($tt->fwmKeys("key_", 5));
?>
The above example will output something similar to:
array(5) {
[0]=>
string(5) "key_5"
[1]=>
string(6) "key_14"
[2]=>
string(5) "key_6"
[3]=>
string(6) "key_15"
[4]=>
string(5) "key_7"
}