Learn, how can we convert a string to uppercase? To convert string to uppercase, we use strtoupper() method which returns uppercase converted string.ByIncludeHelpLast updated : December 19, 2023 Prerequisites To understand this example, you should have the basic knowledge of the following PHP ...
You can use strtoupper() to convert a string to all uppercase: Demo <?php $myString = "Hello, world!"; echo strtoupper( $myString ); // Displays'HELLO, WORLD!' ?>//from w ww . ja v a 2 s.co m ucfirst() makes just the first letter of a string uppercase: ...
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 position (binary safe and optionally case-sensitive) ...
ucfirst — Make a string’s first character uppercase ucwords — Uppercase the first character of each word in a string vfprintf — Write a formatted string to a stream vprintf — Output a formatted string vsprintf — Return a formatted string wordwrap — Wraps a string to a given number ...
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 ...
if ( strtolower( $myString1 ) == strtolower( $myString2 ) ) echo "Strings match"; If you need to convert a string containing Unicode characters to lowercase, usemb_strtolower()instead. Converting a whole string to uppercase withstrtoupper() ...
Write a PHP script to : - a) transform a string all uppercase letters. b) transform a string all lowercase letters. c) make a string's first character uppercase. d) make a string's first character of all the words uppercase.
The strtoupper() function is used to convert all alphabetic characters of a string to uppercase.Version:(PHP 4 and above) Syntax:strtoupper(string1)Parameter:NameDescriptionRequired /OptionalType string1 The input string. Required StringReturn value:The uppercased string. ...
strtoupper :字符串转为大写。 array_change_key_case 则是把数组的所有的键转换为大写字母。 strtoupper:
One-way string hashing 单向字符串散列 echo() Output one or more strings 输出一个或多个字符串 explode() Split a string by string 使用一个字符串分割另一个字符串 fprintf() Write a formatted string to a stream 将格式化后的字符串写入到流 ...