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<?php namespace Foo\Bar; class A { } class B { public function __construct($type) { $fullType = 'Foo\\Bar\\' . $type; echo "try to create $fullType\n"; new $fullType; echo "$fullType created\n"; $fullType = $type::class; echo "try to create $type::class ($fullType)\n"; new $fullType; echo "$type::class ($fullType) created\n"; echo "try to create $type\n"; new $type; echo "$type created\n"; } } new A; new B('A');
Output for git.master, git.master_jit, rfc.property-hooks
try to create Foo\Bar\A Foo\Bar\A created Fatal error: Uncaught TypeError: Cannot use "::class" on string in /in/O1hpd:19 Stack trace: #0 /in/O1hpd(31): Foo\Bar\B->__construct('A') #1 {main} thrown in /in/O1hpd on line 19
Process exited with code 255.

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