trim space in php



if you are using trim and you still can't remove the whitespace then check if your closing tag inside the html document is not at the next line. there should be no spaces at the beginning and end of your echo statement, else trim will not work  remove whitespaces from both sides of a string: <?php $str = " hello world! "; echo "without trim: " . $str; echo " "; echo "with trim: " . trim($str); ?> the html output of the code above will be (view source):. without trim: hello world! with trim: hello world! . the trim() function is used to remove the white spaces and other predefined characters from the left and right sides of a string.

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see the th example on the preg_replace documentation. (note i originally copied that here.) edit: commenters pointed out, and are correct, that str_replace is better than preg_replace if you really just want to remove the space character. the reason to use preg_replace would be to remove all whitespace (including tabs,  not sure exactly what you want but here are two situations: if you are just dealing with excess whitespace on the beginning or end of the string you can use trim() , ltrim() or rtrim() to remove it. if you are dealing with extra spaces within a string consider a preg_replace of multiple whitespaces " " with a single  in any programming language there is a simple inbuilt function you can use to remove whitespace from a string the one used will be a string replace to search for spaces and replace with empty. in php there are some function which will remove whitespace from the start and end of the string these are 

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explains php's trim(), ltrim() and rtrim() functions for removing unwanted characters from the beginning and/or end of a string. in programmingspeak, trimming a string means removing unwanted characters — typically whitespace characters — from either end (or both ends) of the string. this is useful in a  <?php. trim whitespace in multiline text. . by default, removes leading and trailing whitespace, collapses all other. space sequences, and removes blank lines. most of this can be controlled. by passing an options array with the following keys: . leading (bool, true): should we trim leading whitespace? inside  php string function ltrim rtrim & trim to remove blank space from starting, ending and within. g'day to all. i am familiar with some of the php inbuilt functions to trim(), strip_tags etc, but one i haven't come across yet is to be able to remove a space between words (a single space that is.) e.g. i want to be able to use a php function that makes: this text. change to: thistext. how do i achieve this?

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