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PHP strpos()

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moderator    (2009-09-22)

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PHP strpos()


strpos() is a useful PHP function that will allow you to find the first occurency of a string in another string, a common error is to place the arguments like with the ereg() function :

Description:
int strpos ( string $haystack , mixed $needle [, int $offset ] )


Here is an example:
<?php

$mystring = 'abcdef';
$findme  = 'a';

$pos = strpos($mystring, $findme);

// Please now note the use of === to make the difference between 0 and false

if ($pos === false) {
    echo "The string '$findme' was not found in the string '$mystring'";
} else {
    echo "The string '$findme' was found in the string '$mystring' at position $pos";
}
 
// It is also possible to ignore the beginning of a string

$newstring = 'abcdef abcdef';
$pos = strpos($newstring, 'a', 1); // $pos = 7, not 0

?>




(more options below)

*ba76aa    (2009-10-21 18:11:28)
strpos() in PHP.net

All explained here :

ht*p://www.php.net/function.strpos


*df5696    (2010-01-18 15:49:36)
8 years ago

A lot of useful information about php tutorials


maradona    (2010-02-19 20:31:24)
PHP Tutorials

PHP Tutorials - all about PHP
ht*p://phpforms.net/tutorial/tutorial.html


*0debb5    (2010-02-26 18:33:41)
php form

strops is a good function, but php formis more effectively on my opinion!


*dukonu    (2010-12-07 10:40:59)
7 years ago

Hi abhinav here. iam o demo on php strpos


pwhjenny    (2012-10-11 11:59:29)
PHP strpos()

The strrpos() function finds the position of the last occurrence of a string inside another string.

Syntax:- strrpos(string, find, start)


See also


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