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1. array()锛氬垱寤轰竴涓暟缁勩€?/li>

$arr = array("apple", "banana", "cherry");

2. count()锛氳繑鍥炴暟缁勪腑鍏冪礌鐨勪釜鏁般€?/li>

$count = count($arr);
echo $count; // 杈撳嚭 3

3. isset()锛氭鏌ユ暟缁勪腑鐨勬煇涓厓绱犳槸鍚﹀瓨鍦ㄣ€?/li>

if (isset($arr[1])) {
    echo "Element exists";
} else {
    echo "Element does not exist";
}

4. empty()锛氭鏌ユ暟缁勬槸鍚︿负绌恒€?/li>

if (empty($arr)) {
    echo "Array is empty";
} else {
    echo "Array is not empty";
}

5. array_push()锛氬悜鏁扮粍鏈熬娣诲姞涓€涓垨澶氫釜鍏冪礌銆?/li>

array_push($arr, "date");
print_r($arr); // 杈撳嚭 Array ( [0] => apple [1] => banana [2] => cherry [3] => date )

6. array_pop()锛氬垹闄ゅ苟杩斿洖鏁扮粍鏈熬鐨勫厓绱犮€?/li>

$lastElement = array_pop($arr);
echo $lastElement; // 杈撳嚭 date

7. array_shift()锛氬垹闄ゅ苟杩斿洖鏁扮粍寮€澶寸殑鍏冪礌銆?/li>

$firstElement = array_shift($arr);
echo $firstElement; // 杈撳嚭 apple

8. array_unshift()锛氬悜鏁扮粍寮€澶存坊鍔犱竴涓垨澶氫釜鍏冪礌銆?/li>

array_unshift($arr, "apple");
print_r($arr); // 杈撳嚭 Array ( [0] => apple [1] => banana [2] => cherry )

9. array_slice()锛氫粠鏁扮粍涓繑鍥為€夊畾鐨勫厓绱犮€?/li>

$slicedArray = array_slice($arr, 1, 2);
print_r($slicedArray); // 杈撳嚭 Array ( [0] => banana [1] => cherry )

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