十个超级有用的PHP代码片断

php中文网

发布时间：2016-06-13 10:30:09

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来源于php中文网

原创

十个超级有用的PHP代码片段

1. 发送短信

调用 TextMagic
API。

01

// Include the TextMagic PHP lib

02

require
(
'textmagic-sms-api-php/TextMagicAPI.php'
);

03

?

04

// Set the username and password information

05

$username
= 
'myusername'
;

06

$password
= 
'mypassword'
;

07

?

08

// Create a new instance of TM

09

$router
= 
new
TextMagicAPI(
array
(

10

????
'username'
=> 
$username
,

11

????
'password'
=> 
$password

12

));

13

?

14

// Send a text message to '999-123-4567'

15

$result
= 
$router
->send(
'Wake up!'
, 
array
(9991234567), true);

16

?

17

//
 result:? Result is: Array ( [messages] => Array ( [19896128] => 
9991234567 ) [sent_text] => Wake up! [parts_count] => 1 )

2. 根据IP查找地址

01

function
detect_city(
$ip
) {

02

?

03

????????
$default
= 
'UNKNOWN'
;

04

?

05

????????
if
(!
is_string
(
$ip
) || 
strlen
(
$ip
) 
$ip
== 
'127.0.0.1'
|| 
$ip
== 
'localhost'
)

06

????????????
$ip
= 
'8.8.8.8'
;

07

?

08

????????
$curlopt_useragent
= 
'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)'
;

09

?

10

????????
$url
= 
'http://ipinfodb.com/ip_locator.php?ip='
. urlencode(
$ip
);

11

????????
$ch
= curl_init();

12

?

13

????????
$curl_opt
= 
array
(

14

????????????
CURLOPT_FOLLOWLOCATION? => 1,

15

????????????
CURLOPT_HEADER????? => 0,

16

????????????
CURLOPT_RETURNTRANSFER? => 1,

17

????????????
CURLOPT_USERAGENT?? => 
$curlopt_useragent
,

18

????????????
CURLOPT_URL?????? => 
$url
,

19

????????????
CURLOPT_TIMEOUT???????? => 1,

20

????????????
CURLOPT_REFERER???????? => 
'http://'
. 
$_SERVER
[
'HTTP_HOST'
],

21

????????
);

22

?

23

????????
curl_setopt_array(
$ch
, 
$curl_opt
);

24

?

25

????????
$content
= curl_exec(
$ch
);

26

?

27

????????
if
(!
is_null
(
$curl_info
)) {

28

????????????
$curl_info
= curl_getinfo(
$ch
);

29

????????
}

30

?

31

????????
curl_close(
$ch
);

32

?

33

????????
if
( preg_match(
'{City : ([^}i'

, 
$content
, 
$regs
) )? {

34

????????????
$city
= 
$regs
[1];

35

????????
}

36

????????
if
( preg_match(
'{State/Province : ([^}i'

, 
$content
, 
$regs
) )? {

37

????????????
$state
= 
$regs
[1];

38

????????
}

39

?

40

????????
if
( 
$city
!=
''
&& 
$state
!=
''
){

41

??????????
$location
= 
$city
. 
', '
. 
$state
;

42

??????????
return
$location
;

43

????????
}
else
{

44

??????????
return
$default
;

45

????????
}

46

?

47

????
}

3. 显示网页的源代码

1

// display source code

2

$lines
= file(
'http://google.com/'
);

3

foreach
(
$lines
as
$line_num
=> 
$line
) {

4

????
// loop thru each line and prepend line numbers

5

????
echo
"Line #{$line_num} : "
. htmlspecialchars(
$line
) . 
"
\n"
;

6

}

4. 检查服务器是否使用HTTPS

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1

if
(
$_SERVER
[
'HTTPS'
] != 
"on"
) {

2

????
echo
"This is not HTTPS"
;

3

}
else
{

4

????
echo
"This is HTTPS"
;

5

}

5. 显示Facebook fans数量

1

function
fb_fan_count(
$facebook_name
){

2

????
// Example: https://graph.facebook.com/digimantra

3

????
$data
= json_decode(
file_get_contents
(
"https://graph.facebook.com/"
.
$facebook_name
));

4

????
echo
$data
->likes;

5

}

6. 检测图片的主要颜色

01

$i
= imagecreatefromjpeg(
"image.jpg"
);

02

?

03

for
(
$x
=0;
$x

$i
);
$x
++) {

04

????
for
(
$y
=0;
$y

$i
);
$y
++) {

05

????????
$rgb
= imagecolorat(
$i
,
$x
,
$y
);

06

????????
$r
?? = (
$rgb
>> 16) & 0xFF;

07

????????
$g
?? = (
$rgb
>>? & 0xFF;

08

????????
$b
?? = 
$rgb
& 0xFF;

09

?

10

????????
$rTotal
+= 
$r
;

11

????????
$gTotal
+= 
$g
;

12

????????
$bTotal
+= 
$b
;

13

????????
$total
++;

14

????
}

15

}

16

?

17

$rAverage
= 
round
(
$rTotal
/
$total
);

18

$gAverage
= 
round
(
$gTotal
/
$total
);

19

$bAverage
= 
round
(
$bTotal
/
$total
);

7. 获取内存使用信息

01

echo
"Initial: "
.memory_get_usage().
" bytes \n"
;

02

/* prints

03

Initial: 361400 bytes

04

*/

05

?

06

// let's use up some memory

07

for
(
$i
= 0; 
$i

$i
++) {

08

????
$array
[]= md5(
$i
);

09

}

10

?

11

// let's remove half of the array

12

for
(
$i
= 0; 
$i

$i
++) {

13

????
unset(
$array
[
$i
]);

14

}

15

?

16

echo
"Final: "
.memory_get_usage().
" bytes \n"
;

17

/* prints

18

Final: 885912 bytes

19

*/

20

?

21

echo
"Peak: "
.memory_get_peak_usage().
" bytes \n"
;

22

/* prints

23

Peak: 13687072 bytes

24

*/

8. 使用 gzcompress() 压缩数据

01

$string
=

02

"Lorem ipsum dolor sit amet, consectetur

03

adipiscing elit. Nunc ut elit id mi ultricies

04

adipiscing. Nulla facilisi. Praesent pulvinar,

05

sapien vel feugiat vestibulum, nulla dui pretium orci,

06

non ultricies elit lacus quis ante. Lorem ipsum dolor

07

sit amet, consectetur adipiscing elit. Aliquam

08

pretium ullamcorper urna quis iaculis. Etiam ac massa

09

sed turpis tempor luctus. Curabitur sed nibh eu elit

10

mollis congue. Praesent ipsum diam, consectetur vitae

11

ornare a, aliquam a nunc. In id magna pellentesque

12

tellus posuere adipiscing. Sed non mi metus, at lacinia

13

augue. Sed magna nisi, ornare in mollis in, mollis

14

sed nunc. Etiam at justo in leo congue mollis.

&l

15