PHP Australia Conference 2015

apc_inc

(PECL apc >= 3.1.1)

apc_incIncrease 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_EOLPHP_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

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