Deprecated: Optional parameter $level declared before required parameter $message is implicitly treated as a required parameter in /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/core/Common.php on line 322
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Notice</p>
<p>Message:  Only variable references should be returned by reference</p>
<p>Filename: core/Common.php</p>
<p>Line Number: 242</p>

</div><div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: 8192</p>
<p>Message:  trim(): Passing null to parameter #1 ($string) of type string is deprecated</p>
<p>Filename: core/EE_URI.php</p>
<p>Line Number: 56</p>

</div><div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: 8192</p>
<p>Message:  Optional parameter $type declared before required parameter $errors is implicitly treated as a required parameter</p>
<p>Filename: core/EE_Output.php</p>
<p>Line Number: 338</p>

</div><div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Notice</p>
<p>Message:  Only variables should be assigned by reference</p>
<p>Filename: core/Loader.php</p>
<p>Line Number: 74</p>

</div>
Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/database/drivers/mysql/mysql_driver.php:73
Stack trace:
#0 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/database/DB_driver.php(115): CI_DB_mysql_driver->db_connect()
#1 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/database/DB.php(137): CI_DB_driver->initialize()
#2 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/core/Loader.php(268): DB()
#3 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/expressionengine/libraries/Core.php(119): CI_Loader->database()
#4 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/expressionengine/libraries/Core.php(37): EE_Core->_initialize_core()
#5 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/core/Loader.php(972): EE_Core->__construct()
#6 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/core/Loader.php(873): CI_Loader->_ci_init_class()
#7 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/core/Loader.php(138): CI_Loader->_ci_load_class()
#8 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/expressionengine/core/EE_Loader.php(142): CI_Loader->library()
#9 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/core/Loader.php(1047): EE_Loader->library()
#10 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/core/Controller.php(51): CI_Loader->ci_autoloader()
#11 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/core/CodeIgniter.php(281): CI_Controller->__construct()
#12 /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/index.php(188): require_once('/var/www/vhosts...')
#13 {main}
  thrown in /var/www/vhosts/opvang.nl/webspace/httpdocs/opvang.nl/cms/codeigniter/system/database/drivers/mysql/mysql_driver.php on line 73