So I decided to do an mb_convert_case on the input string (it also deals with words is uppercase wich may also be problematic when doing case-sensitive search), and do the rest of checking after that. As with mb_convert_case, words are capitalized, I also added lowercase convertion fo...
To convert a given string to uppercase in PHP, we usestrtoupper()method. strtoupper() Function This method takes a string in any case as an argument and returns uppercase string. Syntax strtoupper(string) PHP code to convert string into uppercase ...
在PHP中,可以使用内置的strtolower()和strtoupper()函数来实现字符串的大小写转换。 转换为小写: <?php $str = "ConVert Me tO LoWErCasE"; $lowercase_str = strtolower($str); echo $lowercase_str; // 输出:convert me to lowercase ?> 复制代码 转换为大写: <?php $str = "ConVert Me tO UPPER...
$lowerCase=mb_convert_case( $upperCase,MB_CASE_LOWER,"UTF-8"); // Print lower case string echo" ".$lowerCase; ?> 输出 WELCOME TO GEEKSFORGEEKS welcome to geeksforgeeks 示例2:以下代码演示了 PHP mb_convert_case() 函数的另一个示例。 PHP实现 <?php // Declare a string $str="welcome ...
7.3.0 添加对 MB_CASE_FOLD、MB_CASE_UPPER_SIMPLE、MB_CASE_LOWER_SIMPLE、MB_CASE_TITLE_SIMPLE 和MB_CASE_FOLD_SIMPLE 作为mode 的支持。 示例 ¶ 示例#1 mb_convert_case() 示例 <?php$str = "mary had a Little lamb and she loved it so";$str = mb_convert_case($str, MB_CASE_UPPER, ...
WELCOME TO GEEKSFORGEEKS welcome to geeksforgeeks 示例2:下面的代码演示了 PHP 的另一个例子mb_convert_case()函数。 PHP <?php// Declare a string$str ="welcome to geeksforgeeks";// Convert given string into case// title using "UTF-8" encoding$upperCase =mb_convert_case( ...
PHP Exercises, Practice and Solution: Write a PHP program to convert the last 3 characters of a given string in upper case. If the length of the string has less than 3 then uppercase all the characters.
Converting the first letter to uppercase withucfirst() ucfirst()— the counterpart tolcfirst()— converts just the first letter of a string to uppercase: $myString = 'hello there! how are you?'; echo ucfirst( $myString ); // Displays "Hello there! how are you?" ...
The strtoupper() function converts a string to uppercase. Note:This function is binary-safe. Related functions: strtolower()- converts a string to lowercase lcfirst()- converts the first character of a string to lowercase ucfirst()- converts the first character of a string to uppercase ...
You can use strtoupper() to convert a string to all uppercase: Demo <?php $myString = "Hello, world!"; echo strtoupper( $myString ); // Displays'HELLO, WORLD!' ?>//from w ww . ja v a 2 s.co m ucfirst() makes just the first letter of a string uppercase: ...