How to implement a PHP Framework series article "3" Support PSR4 auto-load class

PSR4 Automatic Loading Specification https://github.com/PizzaLiu/PHP-FIG/blob/master/PSR-4-autoloader-cn.md

We put third parties in the vendor directory using the PSR Standard class library

Modify the AutoLoad function

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//psr    if(!empty($GLOBALS[‘_UCT‘][‘autoload_psr‘])) {        //namespace        if(false !== strpos($class_name, ‘\\‘)) {            $dir = str_replace(‘\\‘, DS, ltrim($class_name, ‘\\‘)).‘.php‘;        }        else{            $dir= str_replace(‘_‘, DS, $class_name).‘.php‘;        }        foreach ($GLOBALS[‘_UCT‘][‘autoload_psr‘] as$vendor) {            if(!strncmp($vendor.DS, $dir, strlen($vendor) + 1)) {                $f= UCT_PATH . ‘vendor‘. DS . $dir;            }            else{                $f= UCT_PATH . ‘vendor‘. DS . $vendor. DS . $dir;            }            if(file_exists($f)) {                returninclude$f;            }        }    }

Referencing third-party class libraries

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functionuct_use_vendor($vendor) {    if(empty($GLOBALS[‘_UCT‘][‘autoload_psr‘])) {        $GLOBALS[‘_UCT‘][‘autoload_psr‘] = array(            $vendor        );        returntrue;    }    if(!in_array($vendor, $GLOBALS[‘_UCT‘][‘autoload_psr‘])) {        //$GLOBALS[‘_UCT‘][‘autoload_psr‘][] = $app;            array_unshift($GLOBALS[‘_UCT‘][‘autoload_psr‘], $vendor);        returntrue;    }    returnfalse;}

How to implement a PHP Framework series article "3" Support PSR4 auto-load class