在PHP中,可以使用内置的strtolower()和strtoupper()函数来实现字符串的大小写转换。 转换为小写: <?php $str = "ConVert Me tO LoWErCasE"; $lowercase_str = strtolower($str); echo $lowercase_str; // 输出:convert me to lowercase ?> 复制代码 转换为大写: <?php $str = "ConVert Me tO UPPERC...
To convert a string to lowercase in PHP, usestrtolower()function. Callstrtolower()and pass the given string as argument. Syntax The syntax to convert the stringstrto lowercase usingstrtolower()function is </> Copy strtolower($str); The function returns a string value with all the characters i...
在PHP 中,可以使用 strtolower() 函数将字符串转换为全小写。这是一个示例: <?php $str = "ConVert Me To LoWErCasE"; $lowercase_str = strtolower($str); echo $lowercase_str; // 输出:"convert me to lowercase" ?> 复制代码 上述代码中,strtolower() 函数接受一个参数 $str,并返回一个新的字符串...
The strtolower() function converts a string to lowercase. Note:This function is binary-safe. Related functions: strtoupper()- converts a string to uppercase lcfirst()- converts the first character of a string to lowercase ucfirst()- converts the first character of a string to uppercase ...
问如何在PHP中将数组值转换为小写？EN在编程中，有时我们需要将数字转换为字母，例如将数字表示的年份...
echo “转换为小写: “.$lowercaseFilename.” “; echo “转换为大写: “.$uppercaseFilename.” “; “` 3. 使用GD库来重新生成大小写的图片文件:如果需要生成一个新的图片文件,可以使用PHP的GD库来实现。首先,加载原始图片,然后使用GD库函数,如imagecopyresampled(),来重新生成一个目标大小写的图片文件。下...
The lcfirst() function converts the first character of a string to lowercase.Related functions:ucfirst() - converts the first character of a string to uppercase ucwords() - converts the first character of each word in a string to uppercase strtoupper() - converts a string to uppercase ...
So I decided to do an mb_convert_case on the input string (it also deals with words is uppercase wich may also be problematic when doing case-sensitive search), and do the rest of checking after that.As with mb_convert_case, words are capitalized, I also added lowercase convertion for...
– 示例:将UTF-8编码的字符串 `$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 `$encoding` 进行转换。 – 示例:将UTF-8编码的字符串 `$str` 转换为大写形式:`$upp...
//convert all characters to lowercase $string1=strtolower($string1); $string2=strtolower($string2); //convert into array $arr1=str_split($string1); $arr2=str_split($string2); //sort arrays sort($arr1); sort($arr2); //compare arrays ...