PHP Examples - Strings
Substring - String Replacement - Reversal - Trim
Important Functions
1. Stringlength - strlen(string)
2. Stringreversal - strrev(string)
3. Substring - substr(string, starting position, length)
4. Replace Substring - str_replace(new_substring, old_substring, string)
5. Trim (Removing Blank Spaces) - rtrim(string) [ Remove blank space from right]
- ltrim(string) [ Remove blank space from left]
Program:
<html >
<head>
<title>PHP Example 4 : STRING</title>
</head>
<body>
<?php
echo "PHP Example 4";
echo"<br/>"; // line break
echo"<h1>";
echo"STRINGS";
echo"</h1>";
echo"<br/><li>";
$string1 = "I LOVE 2K8CSE";
echo"String: $string1";
echo"<br/></li>";
echo"<br/><li>";
$stringlength= strlen($string1); //Stringlength
echo"length: $stringlength";
echo"<br/></li>";
echo"<br/><li>";
$string2 = substr($string1,2,4); //Substring
echo" Substring (2,4): $string2";
echo"<br/></li>";
echo"<br/><li>";
$string3= str_replace("I","WE",$string1); //Substring replacement
echo"String after replacement (I by WE): $string3";
echo"<br/></li>";
echo"<br/><li>";
$string4=strrev($string1); //String reversal
echo"String Reversal: $string4";
echo"<br/></li>";
echo"<br/><li>";
$string5 =rtrim("I LOVE "); //Removing blank spaces from right of the string
$string6=ltrim(" 2K8CSE.");
echo $string5.$string6."(removing blank spaces)";
echo"<br/></li>";
echo "<br/><b>";
echo"WWW.2K8618.BLOGSPOT.COM";
echo"</b>";
?>
</body>
</html>
Output:
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