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-rw-r--r--php.html.markdown7
1 files changed, 5 insertions, 2 deletions
diff --git a/php.html.markdown b/php.html.markdown
index d4103e97..e1411085 100644
--- a/php.html.markdown
+++ b/php.html.markdown
@@ -41,12 +41,15 @@ Hello World Again!
*/
// Variables begin with the $ symbol.
-// A valid variable name starts with a letter or underscore,
+// A valid variable name starts with a letter or an underscore,
// followed by any number of letters, numbers, or underscores.
+// You don't have to (and cannot) declare variables.
+// Once you assign a value, PHP will create the variable with the right type.
+
// Boolean values are case-insensitive
$boolean = true; // or TRUE or True
-$boolean = false; // or FALSE or False
+$boolean = FALSE; // or false or False
// Integers
$int1 = 12; // => 12