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Today, I will talk to you about how php displays the number of error lines, which may not be well understood by many people. in order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

In php, you can use the getLine () function in the exception handling class Exception to display the number of error lines, which returns the line number of the code where the error occurred, with the syntax "final public Exception::getLine (): int".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Exception, a built-in exception handling class, is provided in PHP. The member function getLine () in this class returns the code line number where the error occurred.

Exception::getLine-gets the line number in the file where the exception is created

Syntax:

Final public Exception::getLine (): int

Return value: returns the line number of the code where the error occurred.

Example:

Output result:

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