Most Referenced Functions
  » google_pagerank()
  » preg_replace()
  » imagecreatefrompng()
  » site_pageranks()
  » imagepng()
  » imagestring()
  » imagedestroy()
  » htmlentities()
  » imagecolorallocate()
  » fopen()
  » preg_match()
  » header()
  » getimagesize()
  » session_start()
  » ob_start()
  » preg_match_all()
  » strstr()
  » flush()
  » ob_flush()
  » htmlspecialchars()
  » array2vars()
  » str_replace()
  » strpos()
  » nl2br()
  » setcookie()
  » urlencode()
  » preg_split()
  » ereg()
  » ereg_replace()
  » var_dump()

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PHP Functions

Function: strstr

(PHP 3, PHP 4, PHP 5)

strstr -- Find first occurrence of a string

Description

string strstr ( string haystack, string needle )

Returns part of haystack string from the first occurrence of needle to the end of haystack .

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.

Note: This function is case-sensitive. For case-insensitive searches, use stristr() .

Example 1. strstr() example

<?php
$email = 'user@example.com';
$domain = strstr($email, '@');
echo $domain; // prints @example.com
?>

Note: If you only want to determine if a particular needle occurs within haystack , use the faster and less memory intensive function strpos() instead.

strstr() has been binary safe since PHP 4.3.0

Related Function(s)

  • stristr()
  • strpos()
  • ereg()
  • preg_match()
  • strrchr()
  • substr()
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