printf

(PHP 4, PHP 5, PHP 7)

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printf ( string $format [, mixed $args [, mixed $... ]] ) : int

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print - ��ַ��
sprintf() - Return a formatted string
vprintf() - ��ʽ��ַ��
sscanf() - ��ָ��ʽ��ַ�
fscanf() - ��ļ��и�ʽ��
flush() - ˢ��