for的相關文章
for的相關商品
![PHP: for - Manual - PHP: Hypertext Preprocessor](https://www.iarticlesnet.com/pub/img/site/s_26.jpeg)
PHP: for - Manual - PHP: Hypertext Preprocessor
瀏覽:1397
日期:2024-07-09
The first expression (expr1) is evaluated (executed) once unconditionally at the beginning of the loop. In the beginning of each iteration, expr2 is evaluated. If it evaluates to TRUE, the loop continues and the nested statement(s) are executed. If it eva...看更多