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                ## die() ~~~ $a=2; if($a==2){ die('錯誤級別2'); }else{ echo $a; } ~~~ 更簡潔寫法 ~~~ $file=fopen("welcome.txt","r") ~~~ ## 創建自定義錯誤處理器 在 PHP 中發生錯誤時調用該函數 該函數必須有能力處理至少兩個參數 (error level 和 error message),但是可以接受最多五個參數(可選的:file, line-number 以及 error context): 用自定義錯誤取代系統的錯誤提示 ~~~ <?php //error handler function function customError($errno, $errstr) { echo "<b>Error:</b> [$errno] $errstr"; } //set error handler set_error_handler("customError"); //trigger error echo($test); ?> ~~~
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