apc_inc

(PECL apc >= 3.1.1)

apc_inc — Increase a stored number

Beschreibung

int apc_inc ( string $key [, int $step = 1 [, bool &$success ]] )

Increases a stored number.

Parameter-Liste

key: The key of the value being increased.
step: The step, or value to increase.
success: Optionally pass the success or fail boolean value to this referenced variable.

Rückgabewerte

Returns the current value of key's value on success, Im Fehlerfall wird FALSE zurückgegeben.

Beispiele

Beispiel #1 apc_inc() example


<?php
echo "Let's do something with success", PHP_EOL;

apc_store('anumber', 42);

echo apc_fetch('anumber'), PHP_EOL;

echo apc_inc('anumber'), PHP_EOL;
echo apc_inc('anumber', 10), PHP_EOL;
echo apc_inc('anumber', 10, $success), PHP_EOL;

var_dump($success);

echo "Now, let's fail", PHP_EOL, PHP_EOL;

apc_store('astring', 'foo');

$ret = apc_inc('astring', 1, $fail);

var_dump($ret);
var_dump($fail);
?>

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

42
43
53
63
bool(true)
Now, let's fail

bool(false)
bool(false)

Siehe auch

apc_dec() - Decrease a stored number

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