PHP Method for outputting an isosceles triangle

PHP Method for outputting an isosceles triangle

This example describes how PHP outputs an isosceles triangle. Share it with you for your reference. The specific implementation method is as follows:

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Function isosceles ($ line, $ sing ){ $ Tab = '; For ($ I = 1; $ I <$ line + 1; $ I ++ ){ $ Blank = print_blank ($ I, $ line, $ tab ); $ Code = print_code ($ I, $ sing ); Echo $ blank. $ code. $ blank. "<br> "; } } Function print_blank ($ num, $ line, $ tab ){ $ Blank = ''; For ($ I = $ num; $ I <$ line; $ I ++ ){ $ Blank. = $ tab; } Return $ blank; } Function print_code ($ num, $ sing ){ $ Code = ''; For ($ I = 0; $ I <(2 * ($ num-1) + 1); $ I ++ ){ $ Code. = $ sing; } Return $ code; } $ Line = 5; $ Sing = "*"; Isosceles ($ line, $ sing );

The running result is as follows:

==== * ====

===*** =

= ***** =

= ******* =

*********

I hope this article will help you with php programming.