You can also find the length of a string, convert the string to int, and convert the string to array. How to make PHP string lowercase? To convert the PHP string to lowercase, you can use the strtolower() function. The following is the syntax of the strtolower() function: PHP ...
4,strtolower-- Make a string lowercase 5,curl_init() :curl_init -- Initialize a cURL session(初始化一个cUrl会话) resource curl_init ( [string url] ) Initializes anewsessionandreturna cURL handleforusewith the curl_setopt(), curl_exec(),andcurl_close() functions. url--If provided, th...
IntlChar::tolower— Make Unicode character lowercase说明 public static IntlChar::tolower(int|string $codepoint): int|string|null The given character is mapped to its lowercase equivalent. If the character has no lowercase equivalent, the original character itself is returned. 参数...
Make a string lowercase. strtolower() useFzPhpSanitize\Sanitize;$value=Sanitize::strtolower()->clean("FERNANDO ZUEET"); Output: fernando zueet strtoupper Make a string uppercase. strtoupper() useFzPhpSanitize\Sanitize;$value=Sanitize::strtoupper()->clean("fernando zueet"); ...
MbStrtolower - Make a string lowercase Original : https://www.php.net/manual/en/function.mb-strtolower.php Returns str with all alphabetic characters converted to lowercase. func MbStrtoupper func MbStrtoupper(s string) string MbStrtoupper - Make a string uppercase Original : https://www.php....
There's a ucfirst "function" to make the first character uppercase, but there's no "lcfirst" function to make the first character lowercase. Here's my own code to accomplish this.<?function lcfirst($str) { return strtolower(substr($str, 0, 1)) . substr($str, 1);}?>I found this...
public static void main(String[] args) throws IOException { File f = new File("."); // current directory FilenameFilter textFilter = new FilenameFilter() { public boolean accept(File dir, String name) { String lowercaseName = name.toLowerCase(); ...
strpos(string $haystack, mixed $needle, int $offset = 0): int 返回needle 在haystack 中首次出现的数字位置。 参数 haystack 在该字符串中进行查找。 needle Prior to PHP 8.0.0, if needle is not a string, it is converted to an integer and applied as the ordinal value of a character. This...
@return ($name is class-string<T> ? T : bool) (#538). Fixes false unreachable code warning (#556). Handles checks for method_exists and function_exists to avoid false warning about unknown functions. New Features Infering lambda function parameters type from target callable() PHPDoc type ...
28. Surrounding your string by ' instead of " will make things interpret a little faster since php looks for variables inside "…" but not inside '…'. Of course you can only do this when you don't need to have variables in the string. 用单引号代替双引号来包含字符串,这样做会更快一...