string trim (string $str [,string $charlist]) 其中,第一个参数$str是被处理的字符串,第二个参数$charlist是要删除的特殊字符。如果第二个参数为空,则去除字符串$str首尾处的空白字符。如果想通过该函数过滤掉特殊的字符,可以指定第二个参数,函数最后返回的是一个经过处理的字符串。 Ø去除字符串左边的字符...
public function getBytesFromString(string $string, int $length): string {} 下面是调用这个方法的示例脚本: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 <?php $randomizer = new \Random\Randomizer(); $bytes = $randomizer->getBytesFromString( 'some string input', 10); echo bin2hex($bytes...
trim() 函数移除字符串两侧的空白字符或其他预定义字符。相关函数:ltrim() - 移除字符串左侧的空白字符或其他预定义字符。 rtrim() - 移除字符串右侧的空白字符或其他预定义字符。语法trim(string,charlist) 参数描述 string 必需。规定要检查的字符串。 charlist 可选。规定从字符串中删除哪些字符。如果省略该参数...
stringtrim(string$str[,string$character_mask=" \t\n\r\0\x0B"] )//This function returns a string with whitespace stripped from the beginning and end of str. Without the second parameter, trim() will strip these characters://此函数返回字符串 str 去除首尾空白字符后的结果。如果不指定第二个...
curl_close ($ch);//If you want to see the response from Twitter, uncomment this next part out: //echo "Response:"; //echo "".htmlspecialchars($xml)."";$affected= 0;$twelement=newSimpleXMLElement($xml);foreach($twelement->entryas$entry) {$text=trim($entry->title);$author=trim...
复制 bool copy ( string $source , string $dest [, resource $context ] ) 这个函数的功能为: 拷备一个文件 返回值为为: bool型值,就是成功返回true,失败返回false 参数为: 两个字符串的值,一个是copy的源文件,一个为目标文件。第三个参数可选的,不常用,我们不管它。 所以,我们就可以推理出下面的实...
host: string. can be a host, or the path to a unix domain socket. port: int (default is 6379, should be -1 for unix domain socket) connectTimeout: float, value in seconds (default is 0 meaning unlimited) retryInterval: int, value in milliseconds (optional) readTimeout: float, value...
mb_str_pad— Pad a multibyte string to a certain length with another multibyte string mb_str_split— 指定多字节字符串,返回其字符数组 mb_strcut— 获取字符的一部分 mb_strimwidth— 获取按指定宽度截断的字符串 mb_stripos— 大小写不敏感地查找字符串在另一个字符串中首次出现的位置 mb_stristr— 大...
trim()Removes whitespace or other characters from both sides of a string ucfirst()Converts the first character of a string to uppercase ucwords()Converts the first character of each word in a string to uppercase vfprintf()Writes a formatted string to a specified output stream ...
toLowerCase toSpaces toTabs toTitleCase toUpperCase trim trimLeft trimRight truncate underscored upperCamelize upperCaseFirstExtensions Tests LicenseWhy?In part due to a lack of multibyte support (including UTF-8) across many of PHP's standard string functions. But also to offer an OO wrapper arou...