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  1. <?php
  2. function error_handler($errno,$errstr,$errfile,$errline){
  3. echo "errno".$errno.'<br>';
  4. echo "errstr".$errstr.'<br>';
  5. echo "errfile".$errfile.'<br>';
  6. echo "errline".$errline.'<br>';
  7. die("something error");
  8. }
  9. set_error_handler("error_handler");
  10. //产生一个用户级别的error
  11. trigger_error("this is a error") //当异常发生时,自动调用自定义函数error_handler
  12. ?>