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ÔÚPHPÖÐɾ³ýÊý×eÖ¸¶¨ÔªËصĺ¯ÊýûÓÐÖ±½ÓÄÜʹÓõģ¬¶aÊýÖ»ÄÜa×°½*¨

ÀýÈçarray_slice() º¯ÊýÔÚÊý×eÖиu¾ÝÌo¼þÈ¡³oÒ»¶ÎÖµ£¬²¢*µ»Ø.

array_slice(array,offset,length,preserve)

array£ºÊý×e
offset£º ¹ae¶¨È¡³oÔªËصĿªÊ¼Î»Öá£Èç¹uÊÇÕýÊý£¬Ôo´ÓÇ°Íuºo¿ªÊ¼È¡£¬Èç¹uÊǸºÖµ£¬´ÓºoÏoÇ°È¡ offset ¾ø¶ÔÖµ¡£

    <?php
    $a=array(0=>"Dog",1=>"Cat",2=>"Horse",3=>"Bird");
    print_r(array_slice($a,1,2));
    ?>

Êa³o

    Array ( [0] => Cat [1] => Horse )

»¹ÓÐarray_shift() º¯Êýɾ³ýÊý×eÖеĵÚÒ»¸oÔªËØ£¬²¢*µ»Ø±»É¾³ýÔªËصÄÖµ.

Ïa¶ÔµÄarray_pop() º¯Êýɾ³ýÊý×eÖеÄ×iºoÒ»¸oÔªËØ.

¼¸¸oº¯ÊýÓÃÏÂÀ´¾oµÃarray_search()±È½ÏʵÓÃarray_search() º¯ÊýÓe in_array() Ò»Ñu£¬ÔÚÊý×eÖвeÕÒÒ»¸o¼uÖµ¡£Èç¹uÕÒµ½Á˸ÃÖµ£¬Æ¥ÅaÔªËصļuÃu»a±»µ»Ø¡£Èç¹uûÕÒµ½£¬Ôoµ»Ø false

    $array = array('1', '2', '3', '4', '5');
    $del_value = 3;
    unset($array[array_search($del_value , $array)]);//ÀuÓÃunsetɾ³ýÕa¸oÔªËØ
    print_r($array);

Êa³o

    array('1', '2', '4', '5');

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