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dbmnextkey
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dbmnextkey

Name

dbmnextkey — Gets the next key in a DBM file.

Synopsis

string dbmnextkey(identifier, key); int identifier: DBM identifier string key: DBM key

Returns

Value of the next key; FALSE if no more keys exist

Description

Returns the value of the next key. The key can be determined by using dbmfirstkey() and then passing the key to successive calls to dbmnextkey() .

Version

Existing since version 3.0

Example

Example 239. List key/value pairs from DBM file

if (!$dbm = dbmopen("testdb", "n")) {
    echo "Could not create DBM file!\n";
}
dbminsert($dbm, "a", "z");
dbminsert($dbm, "b", "y");
$key = dbmfirstkey($dbm);
while ($key) {
    echo "$key = ", dbmfetch($dbm, $key), "<BR>\n";
    $key = dbmnextkey($dbm, $key);
}

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.