Remove blank spaces and new lines from string

you can use the preg_replace function to compress a given string and remove spaces and blank lines from the string.

The use of the function is as given below:

preg_replace(”/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/”, “\n”, $string);

where “$string” is the string you want to remove the spaces and blank lines from.

if in case the above code doesn’t work properly you can use the below given user-defined function :

The Function:

function my_preg_rep($content_area){
$content_area=preg_replace(”/[\r\n]*/”, “”, $content_area);
$content_area=preg_replace(”/[\r\n]+/”, “”, $content_area);
return $content_area;
}

Code :

echo my_preg_rep(addslashes($content_area));

Remove all characters except letters and numbers from a string

Description

If you want to strip a string of all symbols and characters other than alphanumeric letters and numbers then use this. It will take a string and erase / delete any non-alphanumeric characters, and then output a clean version without the unwanted characters.

The code

<?php

$string = "This is some text and numbers 12345 and symbols !£$%^&";

$new_string = ereg_replace("[^A-Za-z0-9]", "", $string);

echo $new_string

?>