note 21735 modified in function.str-replace by aidan

If you want to replace only the first occurence of a string you can use this function: <?php function str_replace_once($needle, $replace, $haystack) { // Looks for the first occurence of $needle in $haystack // and replaces it with $replace. $pos = strpos($haystack, $needle); if ($pos === false) { // Nothing found return $haystack; } return substr_replace($haystack, $replace, $pos, strlen($needle)); } ?> --was-- If you want to replace only the first occurence of a string you can use this function: function str_replace_once($needle, $replace, $haystack) { // Looks for the first occurence of $needle in $haystack // and replaces it with $replace. $pos = strpos($haystack, $needle); if ($pos === false) { // Nothing found return $haystack; } return substr_replace($haystack, $replace, $pos, strlen($needle)); } http://php.net/manual/en/function.str-replace.php