032-String processing in PHP (str_replace, substr, strlen)

Author: antonio-phpfullstack

032-string-str_replace-substr-strlen.php

@@ -0,0 +1,17 @@
+<?php
+$domain = "www.phpfullstack.com.br";
+echo "{$domain}\n";
+echo str_replace("www.", "https://", $domain) . "\n";
+echo "{$domain}\n";
+
+$domain = str_replace("www.", "https://", $domain);
+$protocol = substr($domain, 0, 8);
+echo $protocol === "https://" ? "It's safe\n" : "It's not safe\n";
+
+$region = substr($domain, -3);
+echo "region = $region\n";
+echo $region === "com" ? "International website\n" : "Local website\n";
+
+var_dump($domain);
+var_dump(substr($domain, 8, -7));
+var_dump(strlen($domain));