$string = StringUtil::toLowerCase($string);switch($condition->ruleCondition) {case'contains':if(StringUtil::indexOf($string, $value) !==false) {returntrue; }break;case'dontContains':if(StringUtil::indexOf($string, $value) ===false) {returntrue; }break;case'beginsWith':if(StringUtil:...
The syntax to convert the stringstrto lowercase usingstrtolower()function is </> Copy strtolower($str); The function returns a string value with all the characters in the given string converted to lowercase. Examples 1. Convert string to lowercase In this example, we will take a stringstrthat...
IntlChar::tolower— Make Unicode character lowercase说明 public static IntlChar::tolower(int|string $codepoint): int|string|null The given character is mapped to its lowercase equivalent. If the character has no lowercase equivalent, the original character itself is returned. 参数...
百度试题 结果1 题目在PHP中,使用哪个函数可以将字符串转换为小写? A. toLowerCase() B. strtolower() C. tolowercase() D. string_lower() 相关知识点: 试题来源: 解析 B 反馈 收藏
var strVariable = "This is a STRING object";var strVariable = strVariable.toLowerCase( )alert(this.strVariable); <?php temp="This is a STRING object";sb = strtolower($temp);echo $sb;?> 上面两个例子输出结果是一样的,你看你的第一个JS,得到sb,将转换为小写的值赋给sb,判断...
There's a ucfirst "function" to make the first character uppercase, but there's no "lcfirst" function to make the first character lowercase. Here's my own code to accomplish this.<?function lcfirst($str) { return strtolower(substr($str, 0, 1)) . substr($str, 1);}?>I found this...
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...
To convert a string to lowercase in PHP, you can use the strtolower($string) function. The strtolower() function takes a string as a parameter and converts all uppercase English characters to lowercase. To convert non-English characters to lowercase, you can use the mb_strtolower() function...
TO_CHAR 将BOOLEAN、BIGINT、DECIMAL或DOUBLE类型值转为对应的STRING类型表示。TO_JSON 将指定的复杂类型输出为JSON字符串。TOLOWER 将字符串中的英文字符转换为小写形式。TOUPPER 将字符... 内建函数概述 字符串函数 支持处理STRING类型字符串,实现截取字符串、替换字符串、查找字符串、转换大小写、转换字符串格式...
第二种方法效率相对差一些,实现方式如下: 代码语言:javascript 复制 //下划线命名到驼峰命名functiontoCamelCase($str){$array=explode('_',$str);$result=$array[0];$len=count($array);if($len>1){for($i=1;$i<$len;$i++){$result.=ucfirst($array[$i]);}}return$result;}...