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<?php namespace Foo { class Bar { public static function getBar() { return 'Bar'; } } echo "<h1>Bar: ".\Foo\Bar::getBar()."</h1>"; // outputs 'Bar: Bar' $function = '\Foo\Bar::getBar'; echo "<h1>Bar: ".$function()."</h1>"; // outputs 'Fatal error: Call to undefined function \Foo\Bar::getBar()' $function = '\Foo\Bar\getBar'; echo "<h1>Bar: ".$function()."</h1>"; // outputs 'Fatal error: Call to undefined function \foo\Bar\getBar()' }
Output for git.master, git.master_jit, rfc.property-hooks
<h1>Bar: Bar</h1><h1>Bar: Bar</h1> Fatal error: Uncaught Error: Call to undefined function \Foo\Bar\getBar() in /in/iBERh:15 Stack trace: #0 {main} thrown in /in/iBERh on line 15
Process exited with code 255.

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