How to use String function in PHP and what are the string function.

<?php

$first =”Common PHP String Function”;

$second=”How to use String Function in PHP”;

$third = $first;

$third.= $second;

?>

PHP String Function : Lower Case

Convert string to lower case.

<?php

echo strtolower($third);

?>

PHP String Function : Upper Case

Convert String to upper case.

<?php

echo strtoupper($third);

?>

PHP String Function : Upper Case First Letter

Upper case first letter of the string.

<?php

echo ucfirst($third);

?>

PHP String Function : UpperCase Word

Upper case First Letter of every word.

<?php

echo ucwords($third);

?>

PHP String Function : String length

Calculate the Length of the String.

<?php

echo strlen($third);

?>

PHP String Function : Trim

Trim the white Space from the beginning and last of the string.

<?php

echo trim($third);

?>

PHP String Function : Find

To find a string in a string.

<?php

echo strstr($third, “Function”);

?>

PHP String Function : Replace

To Replace the String by the Other String from a String.

<?php

echo str_replace(“Function”, “String Function”, $third);

?>

These are Some of the most commonly used String Function.