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# Cache_Lite_Function::drop()

Cache_Lite_Function::drop() -- Drop a cache file

## Synopsis

    require_once 'Cache/Lite/Function.php';

``boolean Cache_Lite_Function::drop` (string$functionName, mixed$arg1, mixed$arg2, mixed$arg3, mixed...)`

## Description

[since Cache_Lite 1.6.0beta1] Drop the cache file of the corresponding function call with given arguments.

## Return value

returns true if ok

## Note

This function can not be called statically.

## Example

Example 30-1. classical using with a function
    <?php

    require_once('Cache/Lite/Function.php');

    $options = array(
        'cacheDir' => '/tmp/',
        'lifeTime' => 3600
    );

    $cache = new Cache_Lite_Function($options);

    $cache->call('function_to_bench', 12,45);
    $cache->call('function_to_bench', 12,45);

    // clean the corresponding cache file
    $cache->drop('function_to_bench', 12, 45);

    function function_to_bench($arg1, $arg2)
    {
        echo "This is the output of the function function_to_bench($arg1, $arg2) !<br>";
        return "This is the result of the function function_to_bench($arg1, $arg2) !<br>";
    }

    ?>

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