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run code in 300+ PHP versions simultaneously
<?php $params = [ 'param1' => 1, 'param2' => new Class { public $foo = 1; public $bar = 2; public function __toString():string {return 'test';} } ]; var_dump(http_build_query($params)); foreach ($params as $k => &$v) $params[$k] = (string) $v; var_dump(http_build_query($params));

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