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
16
votes
7 answers
Checking for multiple strpos values
I am wondering how to complete multiple strpos checks.
Let me clarify:
I want strpos to check the variable "COLOR" to see if any numbers from 1 to 8 are anywhere in the variable. If any numbers from 1 to 8 are present, I want to echo…
Chad Cardiff
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16
votes
3 answers
What is the python equivalent of strpos($elem,"text") !== false)
What is the python equivalent of:
if (strpos($elem,"text") !== false) {
// do_something;
}
Cosco Tech
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13
votes
3 answers
mb_strpos vs strpos, what's the difference?
Yes: I know. We should use mb_* function when we're working with multibyte char. But when we're using strpos?
Let's take a look this code (saved in utf-8)
var_dump(strpos("My symbol utf-8 is the €.", "\xE2\x82\xAC")); // int(23)
There is a…
Federkun
- 36,084
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12
votes
4 answers
How do I resolve a strpos() "empty delimiter" error?
Here's the error:
For: PHP 5.2+
Warning: strpos() [function.strpos]: Empty delimiter in /helper.php on line 445
and here is the code on that line:
if($src = $img->getAttribute('src') AND strpos($src,$fgParams->get('base')) === false) { // prevents…
Jamison
- 2,218
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11
votes
4 answers
Warning: array_push() expects parameter 1 to be array
This is my code, and when I run this function I get this :Warning: array_push() expects parameter 1 to be array However I define $printed as an array prior to starting.
$printed = array();
function dayAdvance ($startDay, $endDay, $weekType){
…
Osman
- 1,771
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10
votes
9 answers
strpos with two words to find
I found this example on stackoverflow:
if (strpos($a,'are') !== false) {
echo 'true';
}
But how do I make it search for two words. I need something like this: if $a contains the words "are" or "be" or both echo "contains";
I tried xor and ||
10now
- 387
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8
votes
2 answers
Find first occurence numerical position in a string by php
May I ask how to find a first occurrence numerical position in a string with PHP?
For example, if "abc2.mp3" is a string, return a value of 3 since position of the first occurrence number "2" in "abc2.mp3" is 3 (the first position is 0).
I used…
CKH
- 133
- 9
8
votes
4 answers
PHP get everything in a string before underscore
I have this code here:
$imagePreFix = substr($fileinfo['basename'], strpos($fileinfo['basename'], "_") +1);
this gets me everything after the underscore, but I am looking to get everything before the underscore, how would I adjust this code to get…
user3723240
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8
votes
4 answers
in_array vs strpos for performance in php
I am logging in users via windows authentication and then storing that user's rights in a session variable. I use a delimited method of rights storage in a database i.e:
$rights //retrieved from database
= 'read,edit,delete,admin'
so my question…
DJB
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8
votes
4 answers
PHP fwrite() how to insert a new line after some specific line
I'm new here.
Anyway, I did my research on fwrite(), but I couldn't find solution, so i'm asking for help.
What I want is f.e. to add a new line of text after some other specific line.
F.e. I have a .txt file in which there is:
//Users
//Other…
Aneszej
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7
votes
4 answers
stripos returns false when special characters is used
I am using the stripos function to check if a string is located inside another string, ignoring any cases.
Here is the problem:
stripos("ø", "Ø")
returns false. While
stripos("Ø", "Ø")
returns true.
As you might see, it looks like the function…
foens
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7
votes
2 answers
How to remove all data after last dot using php?
How to remove all data after last dot using php ?
I test my code. It's echo just aaa
I want to show aaa.bbb.ccc
How can i do that ?
mongmong seesee
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6
votes
5 answers
Search String and Return Line PHP
I'm trying to search a PHP file for a string and when that string is found I want to return the whole LINE that the string is on. Here is my example code. I'm thinking I would have to use explode but cannot figure that out.
$searchterm = …
Haru
- 1,361
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6
votes
1 answer
How to find position of a character in a string in PHP
How to find positions of a character in a string or sentence in php
$char = 'i';
$string = 'elvis williams';
$result = '3rd ,7th and 10th'.
I tried strpos..but no use..
phpdeveloper
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5
votes
3 answers
Returning a string after the second occurrence of a character and before the last occurrence of the same character with php
I have several strings similar to the following:
ORG-000012 – Name of variation – Quantity: 12 Pack – $14.95
I need to remove all characters before the second hyphen and after the last hyphen with php. For example, the string above needs to return…
Christy
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