在 codeigniter return 错误中使用 mpdf 库
Using mpdf library in codeigniter return error
错误
A PHP Error was encountered
Severity: Warning
Message: preg_match() expects parameter 2 to be string, object given
Filename: libraries/mpdf.php
Line Number: 22307
回溯:
文件:D:\xamp\htdocs\ci_test\application\libraries\mpdf.php
线路:22307
函数:preg_match
文件:D:\xamp\htdocs\ci_test\application\libraries\mpdf.php
线路:13118
函数:读取字符集
文件:D:\xamp\htdocs\ci_test\application\controllers\Welcome.php
线路:28
函数:写HTML
文件:D:\xamp\htdocs\ci_test\index.php
线路:292
函数:require_once
这是我的控制器
$this->load->library('mpdf');
$html = $this->load->view('welcome_message');
$this->mpdf->WriteHTML($html);
$this->mpdf->Output();
尝试像这样加载视图,
$html = $this->load->view('welcome_message','',TRUE);
^ will get the value to variable.
错误
A PHP Error was encountered
Severity: Warning
Message: preg_match() expects parameter 2 to be string, object given
Filename: libraries/mpdf.php
Line Number: 22307
回溯:
文件:D:\xamp\htdocs\ci_test\application\libraries\mpdf.php 线路:22307 函数:preg_match
文件:D:\xamp\htdocs\ci_test\application\libraries\mpdf.php 线路:13118 函数:读取字符集
文件:D:\xamp\htdocs\ci_test\application\controllers\Welcome.php 线路:28 函数:写HTML
文件:D:\xamp\htdocs\ci_test\index.php 线路:292 函数:require_once
这是我的控制器
$this->load->library('mpdf');
$html = $this->load->view('welcome_message');
$this->mpdf->WriteHTML($html);
$this->mpdf->Output();
尝试像这样加载视图,
$html = $this->load->view('welcome_message','',TRUE);
^ will get the value to variable.