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<?php $foo = 1; $bar = "A"; echo "foo"; $b = is_numeric($foo); $c = is_int($foo); var_dump($b); var_dump($c); echo "bar"; $b = is_numeric($bar); $c = is_int($bar); var_dump($b); var_dump($c);
Output for git.master, git.master_jit, rfc.property-hooks
foobool(true) bool(true) barbool(false) bool(false)

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