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PHP - Manual: TokyoTyrant::putKeep

2024-12-23

TokyoTyrant::putKeep

(PECL tokyo_tyrant >= 0.1.0)

TokyoTyrant::putKeepPuts a record

说明

public TokyoTyrant::putKeep ( mixed $keys [, string $value ] ) : TokyoTyrant

Puts a key-value pair into the database or multiple key-value pairs. If keys is string then the second parameter value defines the value. The second parameter is mandatory if keys is a string. If the key already exists this method throws an exception indicating that the records exists.

参数

keys

A string key or an array of key-value pairs

value

The string value

返回值

This method returns a reference to the current object and throws TokyoTyrantException on failure.

范例

Example #1 tokyotyrant::putKeep() example

<?php
/* Connect to a database on default port */
$tt = new TokyoTyrant("localhost");

/* Create a new key */
$tt->put("key""value");

try {
    
$tt->putKeep("key""new value");
} catch (
TokyoTyrantException $e) {
    if (
$e->getCode() === TokyoTyrant::TTE_KEEP) {
        echo 
"Existing record! Not modified\n";
    } else {
        echo 
"Error: " $e->getMessage() , "\n"
    }
}
echo 
$tt->get("key");
?>

以上例程会输出:

Existing record! Not modified
value

参见

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官方地址:https://www.php.net/manual/en/tokyotyrant.putkeep.php

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