10 recommended articles about the php ltrim() function

php learning to delete string whitespace characters. You can use trim(), ltrim(), rtrim() functions to remove the blanks at the masthead or end of a string: $trimmed = trim(string[,charlist]); $trimmed = ltrim(string[,charlist]); $trimmed = rtrim(string[,charlist]); trim() returns a copy of the string with leading and trailing spaces removed. ltrim() (l means left) does the same job, but only removes the whitespace characters on the left side of the string rtrim( ) (r means right) only removes whitespace characters on the right side of the string. The above is the content of PHP learning to delete string whitespace characters. For more related content, please pay attention to the PHP Chinese website (www.php.cn)!

1. php learning to delete string whitespace characters

Introduction: Summary: ltrim() (l means left) completes the same job, but only removes the whitespace characters on the left side of the string...

2. js A complete list of commonly used judgment methods for strings

##Introduction: function obj$(id) Gets the object function based on id val$(id) Get the value of the object based on the id function trim(str) Delete the left and right spaces function ltrim(str) Delete the left space function rtrim (str) Delete the right space function isEmpty(str) Whether the string has a value

3. Several examples of regular expressions in javascript

Introduction: If you use the traditional method to remove spaces at both ends of a string, you may need to use the following method // Clear the spaces on the left functionjs_ltrim(deststr){if(deststr==null)return"" ;varpos=0;va

4. The difference between php trim function ltrim function rtrim function

##Introduction: Everyone knows that PHP’s trim() function, ltrim() function, and rtrim() function can remove spaces. So what are the differences in usage between the three? That? Now let me introduce them to you one by one. 1. The php trim() function removes all spaces (in fact, to be precise, it removes all spaces in the string twice), for example: $str=" love 59biye ";echo ("---" .trim($str)."---&q ...

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The difference between php trim function ltrim function rtrim function

Introduction: Everyone knows that PHP’s trim() function, ltrim() function, and rtrim() function can remove spaces, then What are the differences in usage between the three? Let me introduce them one by one. 1. The php trim() function removes all spaces (actually, it removes all spaces in the string twice). , for example: $str=" love 59biye ";echo ("---".trim($str)."---&q ...

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PHP string functions strstr, ltrim

#Introduction: PHP string functions strstr, ltrim code sharing

7. Examples of removing left and right spaces and special characters in ltrim and rtrim in PHP

Introduction: This article mainly introduces the usage of ltrim and rtrim to remove left and right spaces and special characters in PHP. It explains in detail the definitions of ltrim and rtrim, the function of parameters and the removal of left and right spaces and special characters in the form of examples. For tips on using special characters, friends in need can refer to

8. php trim cannot handle Chinese half-width rounded corners and other spaces. trim enabler ltrim php php trim removes spaces

Introduction: trim, php:php trim cannot handle Chinese half-width and rounded corners and other spaces: some Chinese half-width and rounded corners or paragraph breaks are displayed as blank. You can use regular rules to process preg_replace("/(s| | |xc2xa0)/","",$content); $(function () {$('pre.prettyprint code').each(function () {var lines = $(this).text().split('n').len

9. php common functions - string

Introduction:: PHP common functions - string: In the process of learning PHP, I compiled some commonly used functions. This is the string function "; //hello worldecho ltrim($str,'#'). .""; /

10. PHP Diary (1) String operation php split string php string merge php string replacement

Introduction: php, string: PHP diary (1) String operations: 1. String formatting 1. String processing: trim(), ltrim(), rtrim()$ name=trim($_POST[name]); $name=trim($_POST[password]); $name=trim($_POST[email]); The trim() function can remove spaces at the beginning and end of a string and return the resulting string. By default, the characters removed are line feeds and carriage returns ( n and r), horizontal and vertical tabs (t and X0B

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