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<?php $values = array( new stdClass(), array(), 123, '123', 'pizza', 123.5, '123.5', +0123.45e6, 0xf4c3b00c, 0b10100111001, 0777 ); foreach ($values as $value) { echo 'test value: ' . PHP_EOL; var_dump($value); echo 'string: ' . PHP_EOL; var_dump(is_string($value)); echo PHP_EOL . PHP_EOL . PHP_EOL . PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
test value: object(stdClass)#1 (0) { } string: bool(false) test value: array(0) { } string: bool(false) test value: int(123) string: bool(false) test value: string(3) "123" string: bool(true) test value: string(5) "pizza" string: bool(true) test value: float(123.5) string: bool(false) test value: string(5) "123.5" string: bool(true) test value: float(123450000) string: bool(false) test value: int(4106465292) string: bool(false) test value: int(1337) string: bool(false) test value: int(511) string: bool(false)

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