Learn, how can we convert a string to uppercase? To convert string to uppercase, we use strtoupper() method which returns uppercase converted string.ByIncludeHelpLast updated : December 19, 2023 Prerequisites To understand this example, you should have the basic knowledge of the following PHP ...
strtok()Splits a string into smaller strings strtolower()Converts a string to lowercase letters strtoupper()Converts a string to uppercase letters strtr()Translates certain characters in a string substr()Returns a part of a string substr_compare()Compares two strings from a specified start positi...
ucfirst — Make a string’s first character uppercase ucwords — Uppercase the first character of each word in a string vfprintf — Write a formatted string to a stream vprintf — Output a formatted string vsprintf — Return a formatted string wordwrap — Wraps a string to a given number ...
if ( strtolower( $myString1 ) == strtolower( $myString2 ) ) echo "Strings match"; If you need to convert a string containing Unicode characters to lowercase, usemb_strtolower()instead. Converting a whole string to uppercase withstrtoupper() strtoupper()does the opposite ofstrtolower(), con...
The strtoupper() function is used to convert all alphabetic characters of a string to uppercase.Version:(PHP 4 and above) Syntax:strtoupper(string1)Parameter:NameDescriptionRequired /OptionalType string1 The input string. Required StringReturn value:The uppercased string. ...
– 该函数将字符串 `$string` 转换为大写形式,采用指定编码 `$encoding` 进行转换。 – 示例:将UTF-8编码的字符串 `$str` 转换为大写形式:`$uppercase_str = mb_strtoupper($str, ‘UTF-8’);` 以上是一些常用的多字节编码转换的函数,可以根据实际需要选择合适的函数来处理多字节编码的相关问题。希望能对...
* @return string */ public static function lower($value) { // mb_strtolower-使字符串小写 return (MB_STRING) ? mb_strtolower($value, static::encoding()) : strtolower($value); } /** * Convert a string to uppercase. * 将字符串转换为大写。
To make the first letter of a PHP string uppercase and the rest lowercase, you can do the following: Make string lowercase (using strtolower()); Capitalize only the first letter (using u
mb_strwidth— 返回字符串的宽度 mb_substitute_character— 设置/获取替代字符 mb_substr— 获取部分字符串 mb_substr_count— 统计字符串出现的次数 mb_trim— Strip whitespace (or other characters) from the beginning and end of a string mb_ucfirst— Make a string's first character uppercase ...
When using UTF-8 and need to convert to uppercase with special characters like the german ä,ö,ü (didn't test for french,polish,russian but think it should work, too) try this:function strtoupper_utf8($string){ $string=utf8_decode($string); $string=strtoupper($string); $string=...