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
2
votes
1 answer
preg_match VS. stripos in PHP
The target is to check a product description and to identify different characteristics/product options. The input data has the following structure:
// TABLE WITH INPUT DATA. STRUCTURE: PRODUCT_CATEGORY [0], PRODUCT_NUMBER[1], DESCRIPTION OF AN…
Clipart - Designer
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2
votes
1 answer
Delete string between strings and replace with text plus counter
I want to remove all base64 images from a string
...
and replace them with image1, image2 and so on.
...
So I am deleting…
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and replace them with image1, image2 and so on.
user18027792
2
votes
6 answers
Finding words in a string
Can anyone suggest how I would do this: Say if I had the string $text which holds text entered by a user. I want to use an 'if statement' to find if the string contains one of the words $word1 $word2 or $word3 . Then if it doesn't, allow me to run…
Joey Morani
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1 answer
Why does php strpos() sometimes does not work on Unicode character?
I'm building a system that categorizes woo-commerce products by their name, my product's name is in Hebrew.
I have to check in my code if a name of a product contains a Hebrew word.
if I write something like:
strpos(hebrev("סט של…
Amit Dagani
- 37
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votes
4 answers
Foreach strpos problem. Find string in another string
I'm trying to get this script to work.
The idea is that if the input string ($query) doesn't start with '/t' AND contains one of the $trigger words, an $error is set.
I can't get this to work and I'm not sure why.
Steve Robbins
- 13,672
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votes
0 answers
Problems with $_GET variable and strpos
I am trying to find a instance of a string inside another using strpos() but I am having problems.
if(strpos($line, $_GET['search']) !== FALSE){ //does not work
$line is a single line of a text file read in by fgets() and $_GET['search'] is…
general_chaos40
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4 answers
strpos and string in string searches
I have a comma delimited string and I need to be able to search the string for instances of a given string. I use the following function:
function isChecked($haystack, $needle) {
$pos = strpos($haystack, $needle);
if ($pos === false) {
…
bikey77
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3 answers
When should I use mb_strpos(); over strpos();?
Huh, looking at all those string functions, sometimes I get confused. One is using all the time mb_ functions, the other - plain ones, so the question is simple...
When should I use mb_strpos(); and when should I go with the plain one (strpos();)? …
tomsseisums
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votes
1 answer
How I can extract ordered questions and answers from a block of plain text
Questions are also available for plain text. I want to be able to use PHP, Regex. However, because my Regex information is not enough, I tried to do this with the PHP function.
Example plain text: (starting 12th question -> 15. question, here total…
Editor
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2 answers
How can I test for a partial string value in an array
So I have a checkbox form that stores values in an array, with several values for each key. How can I test if a value is checked? in_array() isn't returning true for values that are in the array.
print_r($array) results:
Array ( [auto_loans] =>…
jbro
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- 4
2
votes
5 answers
PHP strpos() return empty value
I meet a strange thing with the PHP function strpos().
I have a function that check if a passed string is found in a txt file.
I can display the content of the file line by line but the strpos() doesn't return a value (nothing in fact). var_dump()…
Ben
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2 answers
Why use iconv_strpos instead of strpos?
In contrast to strpos(), the return value of iconv_strpos() is the number of characters that appear before the needle, rather than the offset in bytes to the position where the needle has been found.
(Source:…
flather
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3 answers
limit result to one in object foreach loop, in_array does not work
I have a list of cities, these cities may exists once or repeated several times, or may not exists at all.
With php I want to check if city is in the foreach, and if exists print only one input out.
Below works perfect, print city only if exist, but…
Helenp
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1 answer
PHP word comparison and weighting
I am currently writing a search match for a project I am working on. As part of the search I will use a wide mixture of exact keyword, phrase and other metrics to provide a weighted score for the search results.
The aim being to allow comparison of…
Pete - iCalculator
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How does this particular StrPos work in PHP?
I have the following code. I'm wondering if it's working like I think it is:
//Gift Card Redemption
if(strpos($_order->getDiscountDescription(), 'Gift Card') !== false){
$order .=…
James
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