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isinstance.xml Make the example workable and semantic #4903

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isinstance.xml Make the example workable and semantic #4903

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17 changes: 11 additions & 6 deletions reference/reflection/reflectionclass/isinstance.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -48,20 +48,25 @@
<programlisting role="php">
<![CDATA[
<?php

// Example usage
$class = new ReflectionClass('Foo');
class Foo {}

if ($class->isInstance($arg)) {
echo "Yes";
$object = new Foo();

$reflection = new ReflectionClass('Foo');

if ($reflection->isInstance($object)) {
echo "Yes\n";
}

// Equivalent to
if ($arg instanceof Foo) {
echo "Yes";
if ($object instanceof Foo) {
echo "Yes\n";
}

// Equivalent to
if (is_a($arg, 'Foo')) {
if (is_a($object, 'Foo')) {
echo "Yes";
}
?>
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