COMPOSER_MEMORY_LIMIT=-1 composer require mageplaza/module-core

It is unfortunately easy to program in PHP in a way that consumes memory faster than you realise. Copying strings, arrays and objects instead of using references will do it, though PHP 5 is supposed to do this more automatically than in PHP 4. But dealing with your data set in entirety over several steps is also wasteful compared to processing the smallest logical unit at a time. The classic example is working with large resultsets from a database: most programmers fetch the entire resultset into an array and then loop over it one or more times with foreach(). It is much more memory efficient to use a while() loop to fetch and process one row at a time. The same thing applies to processing a file.

这里有两个简单的方法来增加共享主机的限制:

如果您可以访问PHP.ini文件，请更改PHP.ini中的行 如果你的线显示为32M，试试64M: memory_limit = 64M;一个脚本可能消耗的最大内存(64MB) 如果你不能访问PHP.ini，试着把这个添加到。htaccess文件中: php_value memory_limit 64M

COMPOSER_MEMORY_LIMIT=-1 composer require mageplaza/module-core

在Wordpress中切换到一个新主题后，我收到了同样的错误信息。PHP运行的是5.3版本，所以我切换到了7.2。这解决了问题。

如果你正在使用Laravel，那么可以使用以下方法:

public function getClientsListApi(Request $request){
      print_r($request->all()); //for all request
      print_r($request->name); //for all name 
}

而不是

public function getClientsListApi(Request $request){
      print_r($request); // it show error as above mention
}