Main (PHP)

Home Forums PHP News PHP Tutorials Articles PHP Code Snippets Contact Us Sysadmin Resources Books Template Shop

3rd Party Streams

SlashDot PHPDeveloper.org PHP.Net

Resources

PHP Manual MySQL Manual Smarty Manual PEAR Manual PHP-GTK Manual Symfony Manual

Code Snippets

Authentication Database Graphics HTTP Miscellaneous Time/Date

Affiliates

Scripts TutorialMan TutorialGuide CodingForums.com PHP Scripts Cheap Web Hosting Affordable Web Hosting Dreamweaver Templates

Cache_Lite_Function::call

PEAR Manual
Prev		Next

Cache_Lite_Function::call()

Cache_Lite_Function::call() -- Calls a cacheable function or method (or not if there is already a cache for it)

Synopsis

require_once 'LiteFunction.php';

mixed Cache_Lite_Function::call (string$functionName, mixed$arg1, mixed$arg2, mixed$arg3, mixed...)

Description

call the given function with given arguments only if there is no cache about it ; else, the output of the function is read from the cache then send to the browser and the return value if read also from the cache and returned.

Return value

returns result of the function/method

Note

This function can not be called statically.

Example

Example 23-1. 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);

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>";
}

?>

Example

Example 23-2. classical using with a method

<?php

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

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

$cache = new Cache_Lite_Function($options);

$obj = new bench();
$obj->test = 666;

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

class bench
{
    var $test;

    function method_to_bench($arg1, $arg2)
    {
        echo "\$obj->test = $this->test and this is the output of the method \$obj->method_to_bench($arg1, $arg2) !<br>";
        return "\$obj->test = $this->test and this is the result of the method \$obj->method_to_bench($arg1, $arg2) !<br>";        
    }
    
}

?>

If you try to use Cache_Lite_Function with $this object ($cache->call('this->method',...) for example), have a look first at : this bug

Example

Example 23-3. classical using with a static method

<?php

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

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

$cache = new Cache_Lite_Function($options);

$cache->call('bench::static_method_to_bench', 12, 45);

class bench
{
    var $test;

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

?>

Prev	Home	Next
constructor Cache_Lite_Function::Cache_Lite_Function()	Up	Configuration

Print this page

Top Sponsor

$Symantec\'s Norton SystemWorks 2006$