Updated readme.

Martin Brecht-Precht · Martin Brecht-Precht · commit b2fa47965be3 · 2016-10-26T16:46:27.000+02:00
diff --git a/README.md b/README.md
@@ -170,7 +170,7 @@ Stack item 2: 9.12
 #### Using `for`
 
 ```{php}
-for ($i = 0; $i < $stack->size(); $i++) {
+for ($i = 0, $n = $stack->size(); $i < $n; $i++) {
 	echo 'Stack index ' . $i . ': ' . $stack->get($i) . PHP_EOL;
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -170,7 +170,7 @@ Stack item 2: 9.12`
`170`	`170`	#### Using `for`
`171`	`171`
`172`	`172`	```{php}
`173`		`-for ($i = 0; $i < $stack->size(); $i++) {`
	`173`	`+for ($i = 0, $n = $stack->size(); $i < $n; $i++) {`
`174`	`174`	`echo 'Stack index ' . $i . ': ' . $stack->get($i) . PHP_EOL;`
`175`	`175`	`}`
`176`	`176`	```