In this article, you will learn how to check if a variable contains NULL or not in PHP. The is_null() function in PHP checks whether a variable is NULL or not. This function returns true (1) if the variable is NULL, otherwise it returns false/nothing. what is the syntax of the IS_NULL() function in php? …
In this article, you will learn how to generate a PHP backtrace. The debug_backtrace() function in PHP outputs a PHP backtrace. This function displays data from the code that led up to the debug_backtrace() function. what is the syntax of the DEBUG_BACKTRACE() function in php? Possible return values of the PHP debug_backtrace() function are: Name …
In this article, you will learn how to print PHP backtrace. The debug_print_backtrace() function in PHP prints a PHP backtrace. This function displays data from the code that led up to the debug_print_backtrace() function. what is the syntax of the DEBUG_PRINT_BACKTRACE() function in php? Parameter Description options Optional. Specifies a bitmask for the following option: …
In this article, you will learn how to get the last occurred error in PHP. The error_get_last() function returns the last error that occurred. The output is returned as an associative array which contains following four keys. type – Define the type of the error message – Define the error message file – Define the …
In this article, you will learn how to send log in PHP. The log can be send to mail, file or log. The error_log() function sends an error message to a log, to a file, or to a mail account. what is the syntax of the ERROR_LOG() function in php? Parameter Description message Required. Specifies …
In this article, you will learn how to get the reported errors. The error_reporting() function in PHP specifies which errors are reported. In PHP there are many levels of errors, and using this function sets that level for the current script. what is the syntax of the ERROR_REPORTING() function in php? Parameter Description level Optional. …
In this article, you will learn how to get the previous error handler in PHP. The restore_error_handler() function in PHP restores the previous error handler. This function is used to restore the previous error handler after changing it with the set_error_handler() function. what is the syntax of the RESTORE_ERROR_HANDLER() function in php? examples of the …
In this article, you will learn how to get the previous exception handler in PHP. The restore_exception_handler() function in PHP restores the previous exception handler. This function is used to restore the previous exception handler after changing it with the set_exception_handler() function. what is the syntax of the RESTORE_EXCEPTION_HANDLER() function in php? examples of the …
In this article, you will learn how to set a user-defined error handler function in PHP. The set_error_handler() function in PHP allows to set a user-defined error handler function. The standard PHP error handler is overridden if this function is used, and the user-defined error handler must stop the script, die() if required. what is …
In this article, you will learn how to create exception handler with a user-defined function in PHP. The set_exception_handler() function in PHP sets a user-defined exception handler function. The script will stop executing after the exception handler is called. what is the syntax of the SET_EXCEPTION_HANDLER() function in php? Parameter Description exceptionhandler Required. Specifies the …
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