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$str = 'An apple a day keeps the docter away.'
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'I'm wing'
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'I'm wing'
²Å¶Ô£¬ÆäÖÐ ' ¼´³ÆÎªÌøÍÑ×Ö·û (escape character)¡£
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ÒÔË«ÒýºÅΧסµÄ×Ö·û´® PHP »á¶Ô¸Ã×Ö·û´®×ö variable interpolation µÄ¶¯×÷£¬Ò༴×ö±äÁ¿µÄÈ¡´ú£º
$name = "Wing";
echo 'Name: $name';
echo "Name: $name";
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Name: $name
Name: Wing
ÔÚË«ÒýºÅÀïµÄ×Ö·û´®Èç¹ûÓÐ $ (dollar sign)£¬Ö»Òª¸Ä³ÉÌøÍÑ×ÖÔªµÄд·¨¼´¿É£º
$total = 12000
echo "Total: $ $total"; //Êä³ö Total: $ 12000
ÔÚ×ö variable interpolation ʱ£¬±äÁ¿Ãû³ÆÊÇÒÔÒ»¸öÒÔÉϿոñ×öΪ½çÏߣ¬ÀýÈ磺
$n_file = 5;
if ($n_file == 1) {
echo "There are $n_file.";
} else {
echo "There are $n_files.";
}
µ± $n_file ²»Îª 1 ʱ£¬"There are $n_files." PHP Ëù¿´µ½µÄ±äÁ¿Îª $n_files£¬¶ø²»ÊÇÕýÈ·µÄ $n_file£¬ËùÒÔ±ØÐë¸Ä³É£º
$n_file = 5;
if ($n_file == 1) {
echo "There are $n_file.";
} else {
echo "There are {$n_file}s.";
}
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echo "I'm a happy bird.";
echo 'I'm a happy "bird"!';
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I'm a happy bird.
I'm a happy "bird"!
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echo `ls -l *.txt`;
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PHP+MySQLÂÒÂëµÄ½â¾ö

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1. ¼ì²éMySQLµÄ·þÎñ¶Ë¡¢¿Í»§¶ËµÄÓïÑÔÉèÖÃÊÇ·ñΪ“utf8”£¬²»ÊǵϰÊÖ¶¯½«my.int¸ü¸Ä¹ýÀ´£»
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ÉîÒ¹ÏÐÁÄJavaÓëPHP ÒÔ¼°¼Ü¹¹Éè¼ÆË¼ÏëÓë×î¼Ñʵ¼ù

ÉîÒ¹ÏÐÁÄJavaÓëPHP ÒÔ¼°¼Ü¹¹Éè¼ÆË¼ÏëÓë×î¼Ñʵ¼ù
·¢ÐÅÈË: wesley (ÐÄÖеÄÉ­ÁÖ), ÐÅÇø: Java
±ê  Ìâ: ÉîÒ¹ÏÐÁÄJavaÓëPHP ÒÔ¼°¼Ü¹¹Éè¼ÆË¼ÏëÓë×î¼Ñʵ¼ù
·¢ÐÅÕ¾: ˮľÉçÇø (Thu Dec 24 01:55:04 2009), Õ¾ÄÚ
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http://blog.sina.com.cn/s/blog_53923f940100g7xx.html
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PHPʵÏÖͼƬÉÏ´«

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php variable circular reference

 
Php Variable Circular References

Circular-references has been a long outstanding issue with PHP. They are
caused by the fact that PHP uses a reference counted memory allocation
mechanism for its internal variables. This causes problems for longer
running scripts (such as an Applicatio ......

PHPµÄÈÕÆÚʱ¼äº¯Êýdate()

ÕûÀí»î£ºPHPµÄÈÕÆÚʱ¼äº¯Êýdate()
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echo date('Y-m-j');
2007-02-6
echo date('y-n-j');
07-2-6
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echo date('Y-M-j');
2007-Feb-6
echo date('Y-m-d');
2007-02-06
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