Глава 14: существование метода

classes/dump.php

@@ -0,0 +1,10 @@
+<?php
+require 'point.php';
+
+$point = new Point;
+$point->x = 3;
+$point->y = 7;
+
+echo '<pre>';
+print_r($point);
+echo '</pre>';

methods/method_exists.php

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+<?php
+require_once 'point.php';
+
+$point = new Point;
+
+if (method_exists($point, 'say')) {
+    echo $point->say('PHP');
+}

methods/method_wrong.php

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+<?php
+require_once 'point.php';
+
+$point = new Point;
+// Такого метода в объекте нет
+echo $point->say('PHP');

methods/methods_list.php

@@ -0,0 +1,8 @@
+<?php
+require_once 'point.php';
+
+$point = new Point;
+
+echo '<pre>';
+print_r(get_class_methods($point));
+echo '</pre>';

methods/property_wrong.php

@@ -0,0 +1,6 @@
+<?php
+require_once 'greeting.php';
+
+$greeting = new Greeting;
+
+echo $greeting->x;