Write a PHP function isLetter($ch) that takes a character as a parameter and returns true if the character is in the range of A-Z or a-z. You may not use the function ctype_alpha(). HINT: use the ord() function and test ranges.
Write a PHP function isLetter($ch) that takes a character as a parameter and returns true if the character is in the range of A-Z or a-z. You may not use the function ctype_alpha(). HINT: use the ord() function and test ranges.
New Perspectives on HTML5, CSS3, and JavaScript
6th Edition
ISBN:9781305503922
Author:Patrick M. Carey
Publisher:Patrick M. Carey
Chapter13: Programming For Web Forms: Creatings Forms For Orders And Pa
Section13.2: Visual Overview: Passing Data Between Forms
Problem 3QC
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Write an isLetter Function
Write a PHP function isLetter($ch) that takes a character as a parameter and returns true if the character is in the range of A-Z or a-z. You may not use the function ctype_alpha(). HINT: use the ord() function and test ranges.
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