Differences

This shows you the differences between two versions of the page.

--- php_first_lesson [2024/10/04 07:06] – appledog
+++ php_first_lesson [2024/10/04 07:10] (current) – appledog
@@ Line 5: / Line 5: @@
 A big question could be, "Why PHP?" Well, PHP has an easy syntax and is extremely useful for web-based programming. It's a great starter, with better syntax than Python. And, why not? PHP has it's own local server, so it's easy for anyone to use. You can just use a text editor. Its oldschool! A great start for the serious. And so, we began.
-== 1. Hello World
+== 1. Hello World with echo()
 Run this. What does it do? What is ECHO?
@@ Line 92: / Line 92: @@
+?>
+</Code>
+== 2. input with readLine()
+Teacher and Doctor. Here is teacher.php:
+<Code:PHP>
+<?php
+	$name = readLine("What is your name? ");
+	echo "Hello {$name}!\n";
+	echo "Your new name is Teacher {$name}.\n";
+?>
+</code>
+and doctor.php:
+<Code:PHP>
+<?php
+	$name = readLine("What is your name? ");
+	echo "Hello {$name}!\n";
+	echo "Your new name is Dr. {$name}.\n";
+?>
+</Code>
+== 3. decision making with if-then
+<Code:PHP>
+<?php
+	$name = readLine("What is your name? ");
+	if ($name == "vegetables") {
+		echo "I don't like vegetables!\n";
+		exit();
+	} else {
+		echo "Hello {$name}!\n";
+		echo "Your new name is Mr. {$name}.\n";
+	}
 ?>
 </Code>