spl_autoload What is spl_autoload function in php

void spl_autoload ( string $class_name [, string $file_extensions = spl_autoload_extensions() ] )

Default implementation for __autoload()

This function is intended to be used as a default implementation for __autoload(). If nothing else is specified and spl_autoload_register() is called without any parameters then this function will be used for any later call to __autoload().

spl_autoload_register() allows you to register multiple functions (or static methods from your own Autoload class) that PHP will put into a stack/queue and call sequentially when a "new Class" is declared.

Following is the example

 
<?php
spl_autoload_register('myAutoloader');
function loadAutoload($className){
    $path = '/path/to/class';
    include $path.$className.'.php';
}
$obj = new Zend_Log();
?>

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