@ini_set( 'display_errors', 0 );
error_reporting( E_ALL & ~E_WARNING & ~E_NOTICE & ~E_DEPRECATED );

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<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/kwakkernat/domains/kwakkernaat.net/public_html/wp-config.php:1) in <b>/home/kwakkernat/domains/kwakkernaat.net/public_html/wp-includes/pluggable.php</b> on line <b>1450</b><br />
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<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/kwakkernat/domains/kwakkernaat.net/public_html/wp-config.php:1) in <b>/home/kwakkernat/domains/kwakkernaat.net/public_html/wp-includes/pluggable.php</b> on line <b>1453</b><br />