chdb::get()

(PECL chdb >= 0.1.0)

Gets the value associated with a key

说明

publicchdb::get(string $key): string

Gets the value associated with a key from a chdb database.

参数

$key

The key for which to get the value.

返回值

Returns a string containing the value associated with the given$key, or NULL if not found.

范例

Example #1 chdb::get() example

<?php
$data = array(
    'key1' => 'value1',
    'key2' => 'value2',
    // ...
);
chdb_create('data.chdb', $data);
$chdb = new chdb('data.chdb');
$value1 = $chdb->get('key1');
$value2 = $chdb->get('key2');
echo $value1, PHP_EOL;
echo $value2, PHP_EOL;
?>

以上例程的输出类似于：

value1
value2