Editing PHP/stristr

A [[PHP]] function to compare strings case-'''in'''sensitive. Also see [[PHP/strstr|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. 

* http://www.php.net/manual/en/function.stristr.php

<pre>
<?php
  $email = 'USER@EXAMPLE.com';
  echo stristr($email, 'e');
// outputs ER@EXAMPLE.com
?> 
</pre>

Example 2. Testing if a string is found or not
<pre>
<?php
  $string = 'Hello World!';
  if(stristr($string, 'earth') === FALSE) {
   echo '"earth" not found in string';
  }
// outputs: "earth" not found in string
?> 
</pre>
Example 3. Using a non "string" needle
<pre>
<?php
  $string = 'APPLE';
  echo stristr($string, 97); // 97 = lowercase a
// outputs: APPLE
?> 
</pre>

[[Category:PHP]]