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<?php class Foo { public static $class_prop = 'class_property'; public $object_prop = 'object_property'; static function printClassProp() { //print 'prefix_' . self::$static_prop . '_postfix' . PHP_EOL; print "prefix_{self::$class_prop}_postfix" . PHP_EOL; print "prefix_{\\self::$class_prop}_postfix" . PHP_EOL; // <-- issue here } function printObjectProp() { print "prefix_{$this->object_prop}_postfix" . PHP_EOL; } } $foo = new Foo; $foo->printObjectProp(); Foo::printClassProp();
Output for git.master, git.master_jit, rfc.property-hooks
prefix_object_property_postfix Warning: Undefined variable $class_prop in /in/kXlEb on line 10 prefix_{self::}_postfix Warning: Undefined variable $class_prop in /in/kXlEb on line 11 prefix_{\self::}_postfix

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