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<?php $value='13'; var_dump(ctype_digit($value)); $value=13; var_dump(ctype_digit($value));
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) Deprecated: ctype_digit(): Argument of type int will be interpreted as string in the future in /in/0jWr3 on line 5 bool(false)

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