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PHP code:
$number = 123;
$handle = fopen ("data.dat", "w");
fwrite ($handle, pack ("L", $number));
fclose($handle);
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PHP code:
$handle = fopen ("data.dat", "rb");
$data = fread ($handle, 4);
$array = unpack ("L*", $data);
print_r($array);
Èç¹ûÎÒдÈëµÄÊÇ×Ö·û´®£¬$number="ÖйúÈË"
fwrite ($handle, pack ("L", $number));//pack ÖдæÈ¡·½Ê½¸ÄΪ C/c ¶¼ÎÞ·¨ÕýÈ·µÄ¶ÁÈ¡³öÀ´£¿
Èç¹ûÎÒÒªÊä³öµÄÊý¾ÝÁ÷ÊÇÒ»¸öÊý×éÔõô°ì£¿È磺array("par1"=>array("sex","age"),"par2"=>array("ss","ºÇºÇ"))
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PHP code:
//var_export
$arr = array ('a', 'b', array ("c", "d", "e"));
echo var_export ($arr);
/* £º
array (
0 => 'a',
1 => 'b',
2 =>
array (
0 => 'c',
1 => 'd',
2 => 'e',
),
)
*/
PHP code
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mssql_select_db("f1",mssql_connect("localhost","sa","sa"));
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number_format
PHP code:
//ÊÇÕâÖÖЧ¹û°É£¿
echo number_format(123123123, 2, '.', ',');
//½á¹ûÊä³ö123,123,123.00 2ÊÇСÊýµãºóλÊý£¬µÚÈý¸ö²ÎÊýÊÇСÊýµã·Ö¸ô·û ......