dbmnextkey
(PHP 3, PHP 4, PECL)
dbmnextkey --
Retrieves the next key from a DBM database
Description
string
dbmnextkey
( resource dbm_identifier, string key )
Returns the next key after
key
. By calling
dbmfirstkey()
followed by successive
calls to
dbmnextkey()
it is possible to
visit every key/value pair in the dbm database. For example:
例子 1. Visiting every key/value pair in a DBM database
<?php
$key
=
dbmfirstkey
(
$dbm_id
);
while (
$key
) {
echo
"$key = "
.
dbmfetch
(
$dbm_id
,
$key
) .
"\n"
;
$key
=
dbmnextkey
(
$dbm_id
,
$key
);
}
?>
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