PHP

remove symbolsand spaces php

preg_replace('/[^A-Za-z0-9]/', "", $data)

removed spacel caracter using php

<?php
$string = "DelftStack is a best platform.....";
echo "Output:  " . rtrim($string, ".");
?>
  Output: DelftStack is a best platform

removed spacel caracter using php

<?php
$mainstr = "@@PHP@Programming!!!.";
echo "Text before remove:
" . $mainstr;
echo "

Text after remove: 
" . trim($mainstr, '@!.');
?>

removed spacel caracter using php

<?php
$mainstr = "<h2>Welcome to <b>PHPWorld</b></h2>";

echo "Text before remove: 
" . $mainstr;

echo "

Text after remove: 
" .
    str_ireplace(array('&lt;b&gt;', '&lt;/b&gt;', '&lt;h2&gt;', '&lt;/h2&gt;'), '',
    htmlspecialchars($mainstr));
?>
 output: 
  Text before remove: 
<h2>Welcome to <b>PHPWorld</b></h2>

Text after remove: 
Welcome to PHPWorld

removed spacel caracter using php

<?php
$strTemplate = "My name is :name, not :name2.";
$strParams = [
    ':name' => 'Dave',
    'Dave' => ':name2 or :password',
    ':name2' => 'Steve',
    ':pass' => '7hf2348', ];
echo "
" . strtr($strTemplate, $strParams) . "
";
echo "
" . str_replace(array_keys($strParams), array_values($strParams), $strTemplate) . "
";


?>
  Output:

My name is Dave, not Steve.
My name is Steve or 7hf2348word, not Steve or 7hf2348word2.