See if one string contains another string
I use the following code to check if a string is the session username at the moment.
if($_SESSION['username'] == $home || $_SESSION['username'] == $away)
I am looking to change that to see if the string includes the session username, not specifically IS the username.
Is there a way to do this?
Thankyou
Edit :
Say the string is "Username1 and Username2", I will "Username1" to be found.
I have done the following:
if( ( strpos($home, $_SESSION['username']) !== false) || ( strpos($away, $_SESSION['username']) !== false) )
That doesnt appear to have worked though!
php
edited Jul 28 '11 at 19:19
user7116
54.4k15123159
asked Jul 30 '10 at 15:02
sark9012
2,395124779
add a comment |
I use the following code to check if a string is the session username at the moment.
if($_SESSION['username'] == $home || $_SESSION['username'] == $away)
I am looking to change that to see if the string includes the session username, not specifically IS the username.
Is there a way to do this?
Thankyou
Edit :
Say the string is "Username1 and Username2", I will "Username1" to be found.
I have done the following:
if( ( strpos($home, $_SESSION['username']) !== false) || ( strpos($away, $_SESSION['username']) !== false) )
That doesnt appear to have worked though!
php
edited Jul 28 '11 at 19:19
user7116
54.4k15123159
asked Jul 30 '10 at 15:02
sark9012
2,395124779
add a comment |
I use the following code to check if a string is the session username at the moment.
if($_SESSION['username'] == $home || $_SESSION['username'] == $away)
I am looking to change that to see if the string includes the session username, not specifically IS the username.
Is there a way to do this?
Thankyou
Edit :
Say the string is "Username1 and Username2", I will "Username1" to be found.
I have done the following:
if( ( strpos($home, $_SESSION['username']) !== false) || ( strpos($away, $_SESSION['username']) !== false) )
That doesnt appear to have worked though!
php
edited Jul 28 '11 at 19:19
user7116
54.4k15123159
asked Jul 30 '10 at 15:02
sark9012
2,395124779
I use the following code to check if a string is the session username at the moment.
if($_SESSION['username'] == $home || $_SESSION['username'] == $away)
I am looking to change that to see if the string includes the session username, not specifically IS the username.
Is there a way to do this?
Thankyou
Edit :
Say the string is "Username1 and Username2", I will "Username1" to be found.
I have done the following:
if( ( strpos($home, $_SESSION['username']) !== false) || ( strpos($away, $_SESSION['username']) !== false) )
That doesnt appear to have worked though!
php
php
edited Jul 28 '11 at 19:19
user7116
54.4k15123159
asked Jul 30 '10 at 15:02
sark9012
2,395124779
edited Jul 28 '11 at 19:19
user7116
54.4k15123159
asked Jul 30 '10 at 15:02
sark9012
2,395124779
edited Jul 28 '11 at 19:19
user7116
54.4k15123159
edited Jul 28 '11 at 19:19
user7116
54.4k15123159
edited Jul 28 '11 at 19:19
user7116
54.4k15123159
54.4k15123159
asked Jul 30 '10 at 15:02
sark9012
2,395124779
asked Jul 30 '10 at 15:02
sark9012
2,395124779
asked Jul 30 '10 at 15:02
sark9012
2,395124779
2,395124779
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
One way, of many, would be to use the strpos() function, which the documentation says is the fastest way to just determine if a substring occurs within a string.
if (strpos($_SESSION['username'],$home) !== false)
The format of strpos is strpos(*haystack*, *needle*). So, the above would be true if $_SESSION['username'] is Username1 and $home is Username1 and Username2.
If you actually need the substring back (rather than a position), strstr() is a good way to go.
edited Nov 21 at 3:22
Luke Peterson
5,89083340
answered Jul 30 '10 at 15:04
Mark Biek
90.9k50144193
+1, but please add the link to the PHP doc.
– Bob Fincheimer
Jul 30 '10 at 15:06
Best to add !== FALSE, your example fails if the string is in the beginning.
– Blizz
Jul 30 '10 at 15:07
Wouldn't this fail if the session username is at position 0
– Neil Aitken
Jul 30 '10 at 15:07
@Bob, Thanks for the +! Both function names are linked to the PHP docs.
– Mark Biek
Jul 30 '10 at 15:07
Good point Blizz & Neil. I've updated accordingly.
– Mark Biek
Jul 30 '10 at 15:11
|
show 2 more comments
This would work
$username = 'theusername';
if(strpos($username,$_SESSION['username']) !== false) {
// contains username
}
answered Jul 30 '10 at 15:05
Neil Aitken
6,81633440
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
One way, of many, would be to use the strpos() function, which the documentation says is the fastest way to just determine if a substring occurs within a string.
if (strpos($_SESSION['username'],$home) !== false)
The format of strpos is strpos(*haystack*, *needle*). So, the above would be true if $_SESSION['username'] is Username1 and $home is Username1 and Username2.
If you actually need the substring back (rather than a position), strstr() is a good way to go.
edited Nov 21 at 3:22
Luke Peterson
5,89083340
answered Jul 30 '10 at 15:04
Mark Biek
90.9k50144193
+1, but please add the link to the PHP doc.
– Bob Fincheimer
Jul 30 '10 at 15:06
Best to add !== FALSE, your example fails if the string is in the beginning.
– Blizz
Jul 30 '10 at 15:07
Wouldn't this fail if the session username is at position 0
– Neil Aitken
Jul 30 '10 at 15:07
@Bob, Thanks for the +! Both function names are linked to the PHP docs.
– Mark Biek
Jul 30 '10 at 15:07
Good point Blizz & Neil. I've updated accordingly.
– Mark Biek
Jul 30 '10 at 15:11
|
show 2 more comments
One way, of many, would be to use the strpos() function, which the documentation says is the fastest way to just determine if a substring occurs within a string.
if (strpos($_SESSION['username'],$home) !== false)
The format of strpos is strpos(*haystack*, *needle*). So, the above would be true if $_SESSION['username'] is Username1 and $home is Username1 and Username2.
If you actually need the substring back (rather than a position), strstr() is a good way to go.
edited Nov 21 at 3:22
Luke Peterson
5,89083340
answered Jul 30 '10 at 15:04
Mark Biek
90.9k50144193
+1, but please add the link to the PHP doc.
– Bob Fincheimer
Jul 30 '10 at 15:06
Best to add !== FALSE, your example fails if the string is in the beginning.
– Blizz
Jul 30 '10 at 15:07
Wouldn't this fail if the session username is at position 0
– Neil Aitken
Jul 30 '10 at 15:07
@Bob, Thanks for the +! Both function names are linked to the PHP docs.
– Mark Biek
Jul 30 '10 at 15:07
Good point Blizz & Neil. I've updated accordingly.
– Mark Biek
Jul 30 '10 at 15:11
|
show 2 more comments
One way, of many, would be to use the strpos() function, which the documentation says is the fastest way to just determine if a substring occurs within a string.
if (strpos($_SESSION['username'],$home) !== false)
The format of strpos is strpos(*haystack*, *needle*). So, the above would be true if $_SESSION['username'] is Username1 and $home is Username1 and Username2.
If you actually need the substring back (rather than a position), strstr() is a good way to go.
edited Nov 21 at 3:22
Luke Peterson
5,89083340
answered Jul 30 '10 at 15:04
Mark Biek
90.9k50144193
One way, of many, would be to use the strpos() function, which the documentation says is the fastest way to just determine if a substring occurs within a string.
if (strpos($_SESSION['username'],$home) !== false)
The format of strpos is strpos(*haystack*, *needle*). So, the above would be true if $_SESSION['username'] is Username1 and $home is Username1 and Username2.
If you actually need the substring back (rather than a position), strstr() is a good way to go.
edited Nov 21 at 3:22
Luke Peterson
5,89083340
answered Jul 30 '10 at 15:04
Mark Biek
90.9k50144193
edited Nov 21 at 3:22
Luke Peterson
5,89083340
edited Nov 21 at 3:22
Luke Peterson
5,89083340
edited Nov 21 at 3:22
Luke Peterson
5,89083340
5,89083340
answered Jul 30 '10 at 15:04
Mark Biek
90.9k50144193
answered Jul 30 '10 at 15:04
Mark Biek
90.9k50144193
answered Jul 30 '10 at 15:04
Mark Biek
90.9k50144193
90.9k50144193
+1, but please add the link to the PHP doc.
– Bob Fincheimer
Jul 30 '10 at 15:06
Best to add !== FALSE, your example fails if the string is in the beginning.
– Blizz
Jul 30 '10 at 15:07
Wouldn't this fail if the session username is at position 0
– Neil Aitken
Jul 30 '10 at 15:07
@Bob, Thanks for the +! Both function names are linked to the PHP docs.
– Mark Biek
Jul 30 '10 at 15:07
Good point Blizz & Neil. I've updated accordingly.
– Mark Biek
Jul 30 '10 at 15:11
|
show 2 more comments
+1, but please add the link to the PHP doc.
– Bob Fincheimer
Jul 30 '10 at 15:06
Best to add !== FALSE, your example fails if the string is in the beginning.
– Blizz
Jul 30 '10 at 15:07
Wouldn't this fail if the session username is at position 0
– Neil Aitken
Jul 30 '10 at 15:07
@Bob, Thanks for the +! Both function names are linked to the PHP docs.
– Mark Biek
Jul 30 '10 at 15:07
Good point Blizz & Neil. I've updated accordingly.
– Mark Biek
Jul 30 '10 at 15:11
+1, but please add the link to the PHP doc.
– Bob Fincheimer
Jul 30 '10 at 15:06
+1, but please add the link to the PHP doc.
– Bob Fincheimer
Jul 30 '10 at 15:06
Best to add !== FALSE, your example fails if the string is in the beginning.
– Blizz
Jul 30 '10 at 15:07
Best to add !== FALSE, your example fails if the string is in the beginning.
– Blizz
Jul 30 '10 at 15:07
Wouldn't this fail if the session username is at position 0
– Neil Aitken
Jul 30 '10 at 15:07
Wouldn't this fail if the session username is at position 0
– Neil Aitken
Jul 30 '10 at 15:07
@Bob, Thanks for the +! Both function names are linked to the PHP docs.
– Mark Biek
Jul 30 '10 at 15:07
@Bob, Thanks for the +! Both function names are linked to the PHP docs.
– Mark Biek
Jul 30 '10 at 15:07
Good point Blizz & Neil. I've updated accordingly.
– Mark Biek
Jul 30 '10 at 15:11
Good point Blizz & Neil. I've updated accordingly.
– Mark Biek
Jul 30 '10 at 15:11
|
show 2 more comments
This would work
$username = 'theusername';
if(strpos($username,$_SESSION['username']) !== false) {
// contains username
}
answered Jul 30 '10 at 15:05
Neil Aitken
6,81633440
add a comment |
This would work
$username = 'theusername';
if(strpos($username,$_SESSION['username']) !== false) {
// contains username
}
answered Jul 30 '10 at 15:05
Neil Aitken
6,81633440
add a comment |
This would work
$username = 'theusername';
if(strpos($username,$_SESSION['username']) !== false) {
// contains username
}
answered Jul 30 '10 at 15:05
Neil Aitken
6,81633440
This would work
$username = 'theusername';
if(strpos($username,$_SESSION['username']) !== false) {
// contains username
}
answered Jul 30 '10 at 15:05
Neil Aitken
6,81633440
edited Jan 9 '15 at 16:47
answered Jul 30 '10 at 15:05
Neil Aitken
6,81633440
answered Jul 30 '10 at 15:05
Neil Aitken
6,81633440
answered Jul 30 '10 at 15:05
Neil Aitken
6,81633440
6,81633440
add a comment |
add a comment |
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