PHP outputs how many input numbers are in the middle of two numbers

PHP outputs how many input numbers are in the middle of two numbers

This article mainly introduces how many retrieval numbers are in the middle of two numbers output by PHP. The example analyzes the concept and related judgment skills of retrieval numbers. For more information, see

 

The example in this article describes how many responses are generated between two numbers in PHP. Share it with you for your reference. The specific analysis is as follows:

"Number of input" is a number. For example, if the number is 98789, the number is 98789, and the number is 98789. The number is the same as the number of reading.

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14

<? Php For ($ I = 10; I I <100; $ I ++ ){ $ Len = strlen ($ I ); $ L = 1; $ K = intval ($ len)/2 + 1; For ($ j = 0; $ j <$ k; $ j ++ ){ If (substr ($ I, $ j, 1 )! = Substr ($ I, $ len-$ J-1, 1 )) $ L = 0; Break; } If ($ l = 1) Echo $ I. '<br> '; } ?>

I hope this article will help you with php programming.