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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1 answer
find exacly phrase of sentence, not a path of phrase
I have problem with search tool!
I use strpos function to search $phrase_key in $sentence, and there are some wrong!
strpos($sentence , $phrase_key, 0)
$phrase_key = "on the";
$sentence1 = "i am sitting on the table" // Good…
hunghvq
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- 3
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votes
5 answers
Check if an array element is in a string
This question has been asked before about strings, however *none of the questions I've reviewed (not mods do not remove or tell us this is a duplicate please) actually answer my question.
I have a landing page with a simple signup via email box.…
GeordieDave1980
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2 answers
Error: strpos() [function.strpos]: Empty delimiter
I got this littel problem here with this code
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2 answers
PHP String position handling names with apostrophes
If there is a name in a database (ie. O'Reilly) and I create the insert statement to insert this name into a database via a SQL query in a PHP script, it will cause an error because the apostrophe in the name will end the string and cause the query…
Skyfactor_interns
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2 answers
Check to see if EXACT value is in a string - PHP
I have read numerous posts about how to see if a value is in a string. Apparently my request is different since the multiple bits of code haven't worked 100%.
I am searching a string and need to make sure the EXACT value is in there - with a perfect…
Joey Martin
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1 answer
Stop Malicious Hacker
Someone keeps posting a large number of vulgar posts to my database. They are usually the same. The only way I can stop them is by breaking the .php page, and then deleting them, and then adding something like the following to the .php post page:
…
Adreamcathcer Adreamcatcher
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2 answers
strpos of 0 breaking while loop
So once again I'm practicing PHP. Specifically strpos() in a while loop.
The trouble with the below code is that strpos() results in 0 at the first loop, which yields a false result in the while condition, thus terminating the loop.
$string = 'orem…
Russ
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2 answers
strpos - user agent partial matching
I am trying to detect 2 different phones based on their user agents.
I used strpos but my code is outputting "other phone" on both phones.
$ua = $_SERVER['HTTP_USER_AGENT'];
$phone1 = "SM-G900F";
$phone2 =…
Cody Raspien
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votes
1 answer
why can i not find a substring with strpos()?
I'd like to extract a substring within a string but seems like strpos() doesn't fidn my substring. I have the following code:
-------------------------
"; …
"; …
stdcerr
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2 answers
strpos returns true when using clearly different strings
I'm taking data from an excel using phpexcel, like this:
$number = $objPHPExcel->getActiveSheet()->getCell('A3')->getValue();
number is clearly a number, okay? so, after that I want to know if $number exists on the word…
WhiteFloater
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1 answer
Using php explode to echo some part of a string
I am trying to echo some part of a string, the string is for example:
"?page=tournament&action=brackets&tournID=2"
I am not using URL so I cannot use $_GET. Only string.
I want to get the first and second element after "="
Thus should return
$first…
Karim Ali
- 11
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votes
1 answer
Look for phrase in string, and also look for wildcards after the phrase
I'm looking for a way to display some code based on the URL of the site.
Case 1:
If url contains getting-started do something
Case 2:
If url contains getting-started/* (could be anything) show something else.
I'm currently getting the URL string…
Francesca
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1 answer
strpos empty/blank substring in string
I have a string that is attempting to find specific resources within an API call.
The resources are levels: undergraduate, graduate, independent academic work, and "" (which supposedly means none/unassigned).
So, is simply using strpos($level, "")…
timmyg
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2 answers
PHP Warning: strpos
So I have looked everywhere and I couldn't fimd the solution to my problem. I am using steam OpenID, and I keep getting this message: Warning: strpos() [function.strpos]: Offset not contained in string.
if(($host_end = strpos($this->trustRoot,…
James Malcom
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2 answers
strrpos wont evaluate certain strings
$target is a char and I am trying to find the last occurrence of that char in $line. I get -1 for every single output even if I am certain the $target does exist within $line at some index.
$fh = fopen($someFile, "r");
while (!feof($fh)) {
…
STLCards77
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