How to use the for statement to output triangles in php_PHP tutorial

How PHP uses the for statement to output triangles

The example in this article describes how PHP uses the for statement to output triangles. Share it with everyone for your reference. The specific implementation method is as follows:

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//phpinfo(); function Dis($num) { if($num<=0) return; $tmpRow=0; for($i=1;$i<=$num;$i ) { $tmpRow=$i<=$num/2 ? $i:$num-$i 1; echo str_repeat('*',2*$tmpRow-1).' '; } } Dis(19); ?>

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<🎜>//phpinfo();<🎜> <🎜>function Dis($num)<🎜> <🎜>{<🎜> <🎜>if($num<=0)<🎜> <🎜>return;<🎜> <🎜>$tmpRow=0;<🎜> <🎜>for($i=1;$i<=$num;$i )<🎜> <🎜>{<🎜> <🎜>$tmpRow=$i<=$num/2 ? $i:$num-$i 1;<🎜> <🎜>echo str_repeat('*',2*$tmpRow-1).'
'; } } Dis(19); ?>

I hope this article will be helpful to everyone’s PHP programming design. http://www.bkjia.com/PHPjc/1013642.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1013642.htmlTechArticleHow to use the for statement to output triangles in php. This article describes how to use the for statement to output triangles in php. Share it with everyone for your reference. The specific implementation method is as follows: ? 1 2 3 4...