PHP method to find the position of the first occurrence of a substring in a string
PHP method to find the position of the first occurrence of a substring in a string
PHP Reference: https://www.php.net/manual/en/function.strpos.php
Questions tagged [strpos]
730 questions
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votes
1 answer
Use PHP to find a string inside a string and get some values from it
I have a string like this:
$string = 'this is some random text
this is some random text
again
and some more randome text';
Now I would like to remove this content from it:
matt
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votes
3 answers
PHP strpos check mail on @ and
I made a little PHP script that checks if an email is valid.
The only problem is that it doesn't check if the dot is BEHIND the '@'. It accept emails like this: Hi.Hello@hotmailcom when it should only accept emails like HiHello@hotmail.com
This is…
Gerlof Leuhof
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2 answers
PHP strpos() IS case sensitive for me
When I use strpos() it is case sensitive. Why? Isn't it not supposed to be?
PHP v5.3.8
$file_check_result = "%PDF-1.6 %âãÏÓ";
$test = strpos($file_check_result, "pdf");
echo $test;
Outputs nothing; if however I change pdf to PDF in strpos it shows…
JohnA
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votes
1 answer
PHP - If string contains '<' or '>' - strpos()
I want to do a simple kind of test to see if a string contains any HTML.
In this case if the $string variable is test or it returns no for me:
$string = 'test';
if(strpos($string,'<') !== 'false'){
echo 'no';
}else{
echo 'yes';
}
Is…
Paddy Hallihan
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votes
1 answer
Confused with use of strpos and !==
Confused!
I am trying to extract our localsites' names which are embedded in our WordPress website's structure, ie https://www.website.co.uk/site99/folderX/page. In the URL the localsite name is all lower case without any gaps, whereas the 'display…
-3
votes
1 answer
Search strpos() with a Number Range PHP
I want to search a rule, iptables, within a string that has a port blocked—and I want to show that port.
For example, the rule iptables -A OUTPUT -p tcp --dport 8080 -j DROP; I'd like to be able to search by strpos the string tcp --dport 8080 -j…
Alexandre Carvalho
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votes
1 answer
PHP strpos with special characters
i try to check a string with strpos().
$a = $_SERVER['REQUEST_URI'];
This works just fine
if (strpos($a, 'en' ) == true)
But this doesn't
if (strpos($a, '/en/' ) == true) - Doesn't work
I tried a lot of things to escape the character or format…
Lukas Hwm
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votes
2 answers
php find character in string but the character alone
I want to find 4 in a string. Just 4, not 44 or 14 or 4444 ...
I cannot use strpos because it returns 0 when 4 is found but also when 44 is found or when 444444 is found.
What function should I use?
Thanks
Miguel Mas
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votes
2 answers
Return string if it contains specific word
I have a string. I want to write a script in PHP for return a string if it has specific characters.
For example: "Hi, this is the sample.png" is a string. Now I want to output as "Hi, this is the".
I.e., if the string contains .jpg, .png, then I…
Guru
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votes
2 answers
What is wrong with check_referrer function that i use for CSFR/XSFR protection?
i have his code in php file and i want to know how that code work. can you please explain this to me by an example (all code)?
if…
Nastaran
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votes
1 answer
vqmod throws strpos() empty needle error
vQmod throws the following error when parsing an XML file:
Warning: strpos(): Empty needle in /home/public_html/vqmod/vqmod.php on line 455
Here's the XML itself:
…
ᴍᴇʜᴏᴠ
- 4,804
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votes
1 answer
strpos is not finding needle
I have a form that posts some html to a php file i have split each line into an array and am looping through the array but anything i try and to to search,reaplace etc on ">" just returns nothing
here is the php im using
$catsLines = explode("\n",…
Louise McMahon
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votes
2 answers
Output everything after the first full stop in a paragraph in php
I have a header section on my site which outputs the title and the first sentence of a news article. Below I would like to output the rest of the article minus the first paragraph.
Something like this would be great:
// Full Article
$NewsArticle =…
Alex
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votes
1 answer
PHP - strpos doesn't work
Here are examples of array
$array=array(array('#0kg - 50kg','Questions?','1|2'),
array('Yes','','3|4'),
array('#51kg - 100kg','Questions?','5|6'));
Here is function which i'm using to check if # is in string:
for…
miszczu
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votes
5 answers
Evaluating booleans from strpos() in PHP
This is my code,
$em= strpos($str, 'something');
$em2= strpos($str, 'something2');
$em3= strpos($str, 'something3');
////////triggering only if either of them exist
if (($em!== false)||($em2!== false)||($em3!== false)) {
some action
…
Abul Hasnat
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