Hey guys! I know about this function called str_replace(), which replaces all occurances of the search parameter to the replace parameter. My question is, is there a way to make this only replace the first occurence of the searcy parameter instead of all? Or is there another function to do this?

thxx

This function should be what you need:

PHP Code:

function replace_first($search, $replace, $data) {
    $res = strpos($data, $search);
    if($res === false) {
        return $data;
    } else {
        // There is data to be replaced
        $left_seg = substr($data, 0, strpos($data, $search));
        $right_seg = substr($data, (strpos($data, $search) + strlen($search)));
        return $left_seg . $replace . $right_seg;
    }
} 


This should help,

Dan

From http://www.sitepoint.com/forums/arch.../t-193846.html:

PHP Code:

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));
} 


Originally Posted by underdog

From http://www.sitepoint.com/forums/arch.../t-193846.html:

PHP Code:

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));
} 


Thank you so much, this is what I needed!