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Corrected ternary operator syntax

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Tom de Bruin
2012-10-11 05:17:06 +01:00
parent 51cb4f9ebc
commit 2be210a687
1 changed files with 6 additions and 1 deletions
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7
pages/The-Basics.md
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@@ -293,12 +293,17 @@ $b = 10;
echo ($a) ? ($a == 5) ? 'yay' : 'nay' : ($b == 10) ? 'excessive' : ':('; // excess nesting, sacrificing readability echo ($a) ? ($a == 5) ? 'yay' : 'nay' : ($b == 10) ? 'excessive' : ':('; // excess nesting, sacrificing readability
{% endhighlight %} {% endhighlight %}
Ternary operators also have their limitations and cannot be used to 'return' a value. To 'return' a value with ternary operators use the correct syntax.
{% highlight php %} {% highlight php %}
<?php <?php
$a = 5; $a = 5;
echo ($a == 5) ? return true : return false; // this example will output an error echo ($a == 5) ? return true : return false; // this example will output an error
vs.
$a = 5;
return ($a == 5) ? true : false; // this example will return true
{% endhighlight %} {% endhighlight %}
* [Ternary operators](http://php.net/manual/en/language.operators.comparison.php) * [Ternary operators](http://php.net/manual/en/language.operators.comparison.php)