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PHP String Exercises: Replace the first word with another word

PHP String: Exercise-10 with Solution

Write a PHP script to replace the first 'the' of the following string with 'That'.

Sample date: 'the quick brown fox jumps over the lazy dog.'

Pictorial Presentation:

PHP String Exercises: Replace the first word with another word

Sample Solution:

PHP Code:

<?php
$str = 'the quick brown fox jumps over the lazy dog.';
echo preg_replace('/the/', 'That', $str, 1)."\n"; 
?>

Sample Output:

That quick brown fox jumps over the lazy dog.

Flowchart:

Flowchart: Replace the first word with another word

PHP Code Editor:

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Previous: Write a PHP script to generate simple random password [do not use rand() function] from a given string.
Next: Write a PHP script to find the first character that is different between two strings.

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PHP: Tips of the Day

$_COOKIE: This SuperGlobal Variable is used to retrieve Cookie value with given Key.

Example:

<?php
$cookie_name = "data";
$cookie_value = "Foo Bar";
setcookie($cookie_name, $cookie_value, time() + (86400 * 30), "/"); 
if(!isset($_COOKIE[$cookie_name])) {
 echo "Cookie named '" . $cookie_name . "' is not set!";
}
else {
 echo "Cookie '" . $cookie_name . "' is set!";
 echo "\n";
 echo "Value is: " . $_COOKIE[$cookie_value];
}
?>

Output:

Cookie named 'data' is not set!