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array each (array input_array ) ·µ»Øµ±Ç°Ö¸ÕëλÖõÄÊý×éÖµ£»
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array array_pad(array input,int pad_size,mixed pad_value)Ôö¼ÓÊý×éµ½Ö¸¶¨µÄ³¤¶È
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array explode(string separator,string string) ·Ö¸îÖ®ºóÔÙ½«½á¹û±£´æ£»
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number array_sum (array input_array) ¶ÔËùÓÐÔªËØ½øÐÐÇóºÍ£»
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