apc_compile_fileapc_dec
(PECL apc >= 3.1.1)
apc_dec — Decrease a stored number
Descrição
int apc_dec
( string $key
[, int $step = 1
[, bool &$success
]] )
Decreases a stored integer value.
Parâmetros
- key
-
The key of the value being decreased.
- step
-
The step, or value to decrease.
- success
-
Optionally pass the success or fail boolean value to this referenced variable.
Valor Retornado
Returns the current value of key's value on success, or FALSE on failure
Exemplos
Exemplo #1 apc_dec() example
<?php
echo "Let's do something with success", PHP_EOL;
apc_store('anumber', 42);
echo apc_fetch('anumber'), PHP_EOL;
echo apc_dec('anumber'), PHP_EOL;
echo apc_dec('anumber', 10), PHP_EOL;
echo apc_dec('anumber', 10, $success), PHP_EOL;
var_dump($success);
echo "Now, let's fail", PHP_EOL, PHP_EOL;
apc_store('astring', 'foo');
$ret = apc_dec('astring', 1, $fail);
var_dump($ret);
var_dump($fail);
?>
O exemplo acima irá imprimir algo similar a:
Let's do something with success 42 41 31 21 bool(true) Now, let's fail bool(false) bool(false)
Veja Também
- apc_inc() - Increase a stored number
User Contributed Notes
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