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* http://www.php.net/manual/en/function.stristr.php
<pre>
[[Category:PHP]]▼
<?php
$email = 'USER@EXAMPLE.com';
echo stristr($email, 'e');
// outputs ER@EXAMPLE.com
?>
Example 2. Testing if a string is found or not
<?php
$string = 'Hello World!';
if(stristr($string, 'earth') === FALSE) {
echo '"earth" not found in string';
}
// outputs: "earth" not found in string
?>
Example 3. Using a non "string" needle
<?php
$string = 'APPLE';
echo stristr($string, 97); // 97 = lowercase a
// outputs: APPLE
?>
▲[[Category:PHP]]</pre>
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Revision as of 12:01, 16 April 2006
A PHP function to compare strings case-insensitive. Also see strstr.
stristr -- Case-insensitive strstr()
Description
string stristr ( string haystack, string needle )
Returns all of haystack from the first occurrence of needle to the end. needle and haystack are examined in a case-insensitive manner.
If needle is not found, returns FALSE.
If needle is not a string, it is converted to an integer and applied as the ordinal value of a character.
<?php $email = 'USER@EXAMPLE.com'; echo stristr($email, 'e'); // outputs ER@EXAMPLE.com ?> Example 2. Testing if a string is found or not <?php $string = 'Hello World!'; if(stristr($string, 'earth') === FALSE) { echo '"earth" not found in string'; } // outputs: "earth" not found in string ?> Example 3. Using a non "string" needle <?php $string = 'APPLE'; echo stristr($string, 97); // 97 = lowercase a // outputs: APPLE ?> [[Category:PHP]]