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php数组

天悦哥 2023-04-11 阅读 63


<?php

$arr = array(1,"2","3",4,5);
print_r($arr);

foreach($arr as $a => $value)
{
	echo $arr[$a]." ";
}

echo "\n";

$arr[] = "6";
$arr[] = 7;
print_r($arr);
printf("\r\n%d %s\r\n",$arr[0],$arr[1]);

unset($arr[0]);
print_r($arr);



Array

(

 [0] => 1

 [1] => 2

 [2] => 3

 [3] => 4

 [4] => 5

)

1 2 3 4 5 

Array

(

 [0] => 1

 [1] => 2

 [2] => 3

 [3] => 4

 [4] => 5

 [5] => 6

 [6] => 7

)


1 2

Array

(

 [1] => 2

 [2] => 3

 [3] => 4

 [4] => 5

 [5] => 6

 [6] => 7

)


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