In such cases, look into whether PHP itself supports the feature and use that function or extension instead.

在这种情况下，请查看PHP是否支持此功能并且使用函数或扩展替代它。

youdao

This article assumes that you have some experience using PHP already and can use a function to pass a variable and return a result.

本文假设您已经具有一些使用PHP的经验，并能够使用函数来传递变量并返回结果。

youdao

To show SQL statements in PHP, use the echo function for each statement.

要在PHP中显示sql语句，需要对每条语句使用echo函数。

youdao