In PHP, we can use the function mb_substitute_character() to get the substitution character. This function specifies the substitution character when the input character encoding is not valid or the character code does not exist in the output character encoding.Note: The invalid characters may be substituted with no output, string, or int ... Read More

In PHP, multibyte string length (mb_strlen) function is used to get the total string length of a specified string. This function is supported in PHP 4.6.0 or higher versions.Syntaxint mb_strlen(str $string, str $encoding)Parametersmb_strlen() accepts two parameters: $string and $encoding.$string− It is used to check the string length$encoding− This parameter is ... Read More

The mb_detect_order() function in PHP can be used to set/get the character encoding detection in an order. This function is supported in PHP 4.2.0 or higher versions.Syntaxarray|bool mb_detect_order(str $encoding)Parametersmb_detect_order() accepts only one parameter $encoding with string, array and bool.$encoding− This encoding parameter is an array or comma-separated list of character ... Read More

In PHP, we can use the function mb_strtolower() to change a given string into lower case. It returns strings with all alphabetic characters converted to lowercase characters.Syntaxstring mb_strtolower(str $string, str $encoding)Parametersmb_strtolower() accepts two parameters: $string and $encoding.$string− The string being lowercased, returns strings with all alphabetic characters converted to lowercase ... Read More

In PHP, mb_strtoupper() is an inbuilt function that is used to change a given string to upper case.Syntaxstring mb_strtoupper(str $string, str $encoding)Parametersmb_strtoupper() accepts two parameters: $string and $encoding.$string− The string being uppercased.$encoding− This parameter is the character encoding. If it is absent or null, then the internal character encoding value ... Read More

In PHP, we can use the function mb_substr_count() to count the total number of substrings in a given string.Syntaxint mb_substr_count(str $haystack, str $needle, str $encoding)Parametersmb_substr_count() accepts three parameters: $haystack, $needle and $encoding.$haystack− This parameter will check the string.$needle− This parameter will be used to tell that the substring is found ... Read More

In PHP, mb_substr() is used to return the selected part of a given string. The multibyte safe substr() works based on the number of characters. It counts the position from the starting of the string. It will return 0 for the first character position and 1 for the second position ... Read More

mb_convert_case() is an inbuilt function in PHP that is used to perform case folding on a given string.Syntaxstring mb_convert_case(str $string, int $mode, str $encoding)Parametersmb_convert_case() accepts three parameters: $string, $mode and $encoding to perform case folding on a string.$string− This parameter is used to return the string being converted.$mode: The mode parameter is ... Read More

In PHP, the mb_chr() function is used to return character by Unicode code point value. This function returns a string having the character identified by the Unicode code point value, encoded in the specified encoding.Syntaxstring mb_chr(int $codepoint, string $encoding)Parametersmb_chr() accepts only two parameters: $codepoint and $encoding.$codepoint− This parameter is used to ... Read More

In PHP, the mb_check_encoding() function is used to check if the given strings are valid for the specified encoding. This function checks if the specified byte stream is valid for the specified encoding.Syntaxbool mb_check_encoding(str $value=null, str $encoding=null)Note: The function will check if the stated byte stream is valid for the ... Read More