如何在php codeigniter中调整图像的高度和宽度

Question

public function resize() {
		$config['width'] = $this->input->post('width');
		$config['height'] = $this->input->post('height');
		$config['maintain_ratio'] = TRUE;
		$config['source_image'] = './uploads1/book.jpg';
		$config['new_image'] = './uploads1/book_new.jpg';
		$this->image_lib->initialize($config);
		$resize = $this->image_lib->resize();
		
	}

如何在php codeigniter中调整图像高度和宽度，只有高度没有正确调整大小但是我正在获得宽度

Answer 1

rs.initiate( { _id: "configReplSet", configsvr: true, members: [ { _id: 0, host: "mongo-config-1:27017" }] } )

Answer 2

您必须在设置配置值后初始化库以使用它：

$this->load->library('image_lib', $config);

确保高度的输入值也不为空！