<?php
class Red {
public static function b_func() {
static::a_func();
}
public static function a_func() {
echo "Colour is ",__CLASS__."\n";
}
}
class Blue extends Red {
public static function run() {
Red::b_func();
parent ::b_func();
self::b_func();
}
public static function a_func() {
echo "Colour is ",__CLASS__."\n";
}
}
class Green extends Blue {
public static function a_func() {
echo "Colour is ",__CLASS__."\n";
}
}
Green::run();
?>
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Colour is Red
Colour is Green
Colour is Green