Ltrim (), rtrim (), and trim () in php delete character space instances, ltrimrtrim_PHP tutorial

In php, ltrim (), rtrim (), and trim () delete character space instances and ltrimrtrim. In php, ltrim (), rtrim (), and trim () are used to delete characters and spaces. ltrimrtrim examples in this article describe ltrim (), rtrim (), and trim () in php () to delete spaces. For your reference, the ltrim (), rtrim (), and trim () in php delete character space instances, and ltrimrtrim

This example describes how to delete spaces in ltrim (), rtrim (), and trim () in php. Share it with you for your reference. The specific analysis is as follows:

The trim function in php cannot automatically delete all spaces like in asp. the rtrim () trim () function is provided by the PHP professional. For more information, see.

The PHP instance code is as follows:

The code is as follows:

<? Php
$ Str = "Remove leading and trailing spaces ";
Echo "is the original string in square brackets: [". $ str. "]
";
Echo "original string length:". strlen ($ str )."
";
$ Str1 = ltrim ($ str );
Echo "length after ltrim () execution:". strlen ($ str1 )."
";
$ Str2 = rtrim ($ str );
Echo "length after rtrim () execution:". strlen ($ str2 )."
";
$ Str3 = trim ($ str );
Echo "length after trim () execution:". strlen ($ str3 )."
";
Echo "remove the string after the beginning and end spaces: [". $ str3. "]";
?>

I hope this article will help you with php programming.

When trim (), rtrim (), and trim () are used to delete space characters, ltrimrtrim describes how to delete spaces in ltrim (), rtrim (), and trim () in php. Share it with you for your reference...