IntlChar::tolower— Make Unicode character lowercase说明 public static IntlChar::tolower(int|string $codepoint): int|string|null The given character is mapped to its lowercase equivalent. If the character has no lowercase equivalent, the original character itself is returned. 参数...
$original_string="ConVertInG StRiNg";$lowercase_string=strtolower($original_string);echo$lowercase_string;// 输出 "converting string" 如果您想将字符串转换为大写,可以使用strtoupper()函数。这个函数的用法与strtolower()函数类似,只是它会将字符串转换为全大写。
The function wraps the existing function mb_strtolower() and additionally replaces uppercase UTF8-characters for which there is a lowercase representation. Since there is no proper Unicode uppercase and lowercase character-table in the internet that I was able to find, I checked the first million...
– 该函数将字符串 `$string` 转换为小写形式,采用指定编码 `$encoding` 进行转换。 – 示例:将UTF-8编码的字符串 `$str` 转换为小写形式:`$lowercase_str = mb_strtolower($str, ‘UTF-8’);` 6. `mb_strtoupper($string, $encoding)` – 该函数将字符串 `$string` 转换为大写形式,采用指定编码 `...
type="text" id="str" type="text" name="str" maxlength="10" size="26"> <?php if(isset($_POST['submit'])) { $str = strtoupper($_POST['str']); echo "convert to upper case"; echo $str; } ?> OutputPHP String Programs »Check if string contains a particular character ...
strtolower — Make a string lowercase strtoupper — Make a string uppercase strtr — Translate certain characters substr_compare — Binary safe optionally case insensitive comparison of 2 strings from an offset, up to length characters substr_count — Count the number of substring occurrences ...
(asscii_number)) results.append(temp) results.sort(key=lambda x:x[1], reverse=False) for low_case in string.ascii_lowercase: for result in results: if low_case in result: print(result[0]) for upper_case in string.ascii_uppercase: for result in results: if upper_case in result: ...
array_change_key_case() Changes all keys in an array to lowercase or uppercase array_chunk() Splits an array into chunks of arrays array_column() Returns the values from a single column in the input array array_combine() Creates an array by using the elements from one "keys" array and...
The ucwords() function converts the first character of each word in a string to uppercase.Note: This function is binary-safe.Related functions:ucfirst() - converts the first character of a string to uppercase lcfirst() - converts the first character of a string to lowercase strtoupper() ...
$sql .=" where ".$this->usuario_tabela_email ." = '". LowerCase($login) ."' "; $resrlt = db_query($sql);if($result = db_read($resrlt)) { $user_senha = trim($result[$this->usuario_tabela_pass]);if($result['senha_md5'] ==1) { ...