ptarjan
36 linhas
810 B
PHP
36 linhas
810 B
PHP
<?php
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function f() {}
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// user function
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var_dump(is_callable('f'));
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// builtin function
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var_dump(is_callable('array_merge'));
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// nonexistent function
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var_dump(is_callable('asdfjkl'));
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echo "\n";
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class C {
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public static function foo() {}
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private static function bar() {}
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}
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// user public static method
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var_dump(is_callable(array('C','foo')));
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// user private static method
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var_dump(is_callable(array('C','bar')));
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// nonexistent static method
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var_dump(is_callable(array('C','asdfjkl')));
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echo "\n";
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class D {
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public function foo() {}
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private function bar() {}
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}
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$obj = new D;
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// user public instance method
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var_dump(is_callable(array($obj,'foo')));
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// user private instance method
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var_dump(is_callable(array($obj,'bar')));
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// nonexistent instance method
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var_dump(is_callable(array($obj,'asdfjkl')));
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