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PHP string

<?php
$s = "new string";
//ÏÂÃæË«ÒýºÅ×Ö·û´®ÖеķûºÅ"$"δ×öתÒ壬Òò´Ë$s½«±»Ìæ»»³ÉÆä±äÁ¿µÄÖµ
$str_1 = "Ë«ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬$s";
//ÏÂÃæË«ÒýºÅ×Ö·û´®ÖеķûºÅ"$"×öÁËתÒ壬Òò´Ë$sÔ­·â²»¶¯£¬²»»á±»Ì滻Ϊ±äÁ¿$sµÄÖµ
$str_2 = "Ë«ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬\$s";
//µ¥ÒýºÅ×Ö·û´®ÖеÄ"$"²»ÓÃ×öתÒå¼´¿ÉÔ­ÑùÊä³ö
$str_3 = 'µ¥ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬$s';
$str_4 = 'µ¥ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬\$s';
//ÔÚË«ÒýºÅ×Ö·û´®ÖУ¬Êä³ö$¡¢"¡¢\µÈÌØÊâ×Ö·û£¬ÐèÒª×öתÒå
$str_5 = "ÔÚË«ÒýºÅ×Ö·û´®ÖУ¬Êä³öÌØÊâ×Ö·û£º\$ \" \\ '";
//ÔÚµ¥ÒýºÅ×Ö·û´®ÖУ¬Êä³ö'£¬ÐèÒª×öתÒå
$str_6 = 'ÔÚµ¥ÒýºÅ×Ö·û´®ÖУ¬Êä³öÌØÊâ×Ö·û£º$ " \ \'';
echo $str_1;
echo "<br/>";
echo "<br/>";
echo $str_2;
echo "<br/>";
echo "<br/>";
echo $str_3;
echo "<br/>";
echo "<br/>";
echo $str_4;
echo "<br/>";
echo "<br/>";
echo $str_5;
echo "<br/>";
echo "<br/>";
echo $str_6;
//¿É²»¿ÉÒÔÕâÑùÀí½â£¬Èç¹ûÄǸöÐèҪתÒé×Ö·û³öÏÖÔÚµ¥ÒýºÅÄھͲ»»áתÒ飬ֻÓÐÔÚË«ÒýºÅÄڲŻáתÒå¡£
?>


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PHP/MYSQLʵÏÖ°´×Öĸ¼ìË÷

·½·¨Ò»£º½¨Ò»¸öÆ´Òô±í t_cosler £¬´æ·Åÿ¸ö×Öĸ¿ªÍ·µÄµÚÒ»¸öºº×ֵıàºÅºÍ×îºóÒ»¸öºº×ֵıàºÅ¡£   
BatchFile code+------+--------+-------+  
| f_PY | cBegin | cEnd  |  
+------+--------+-------+  
| A    |  45217 | 45252 | & ......

ѧϰPHP ÒýÓ÷µ»Ø ÒÔ&¿ªÍ·µÄº¯Êý µÄºÃÀý×Ó

<?php
$a = 1;
function b(&$c)
{
$c++;
return $c;
}
$d=b($a); // d = 2; a = 2;
$d++; // d = 2;
echo($a); // ÏÔʾ2
?>
ÒýÓ÷µ»Ø:
<?php
$a = 1;
function &b(&$c)
{
$c++;
return $c;
}
$d=b($a); // ×¢ÒâÕâÀï dÓëb·µ»ØµÄÖµ(È·ÇÐÀ´Ëµ, ÕâÀï·µ»ØµÄ² ......

PHPÖÐʹÓÃHTTPЭÒéµÄ״̬Âë

<?PHP
/**
* HTTP Protocol defined status codes
* @param int $num
*/
function https($num) {
$http = array (
100 => "HTTP/1.1 100 Continue",
101 => "HTTP/1.1 101 Switching Protocols",
200 => "HTTP/1.1 200 OK",
201 => "HTTP/1.1 201 Created",
202 => "HTTP/1.1 202 ......
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