PHP: trigger_error – Manual
Beware, trigger_error() is absolutely useless for transporting your own function's error messages in $php_errormsg:ini_set('track_errors', TRUE);function x() { trigger_error('MY ERROR'); }@x();echo "Error 1: \"$php_errormsg\"\n";@file_get_contents('/nonexisting');echo "Error 2: \"$php_errormsg\"\n";This outputs:Error 1: ""Error 2:…