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<?php class A { private static $x = array(); public static function foo() { if (empty(self::$x)) { echo "initialized\n\n"; self::$x = array('ciao', 'come', 'va'); } print_r(self::$x); } } A::foo(); A::foo(); A::foo(); A::foo(); A::foo(); A::foo(); A::foo(); A::foo();
Output for git.master, git.master_jit, rfc.property-hooks
initialized Array ( [0] => ciao [1] => come [2] => va ) Array ( [0] => ciao [1] => come [2] => va ) Array ( [0] => ciao [1] => come [2] => va ) Array ( [0] => ciao [1] => come [2] => va ) Array ( [0] => ciao [1] => come [2] => va ) Array ( [0] => ciao [1] => come [2] => va ) Array ( [0] => ciao [1] => come [2] => va ) Array ( [0] => ciao [1] => come [2] => va )

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