ACF oEmbed | Adding color param to vimeo videos

add_color_to_vimeo.php

<?php
// Project specific function that strips out parameters on a vimeo URL and adds a color param
function add_color_to_vimeo( $iframe ) {
    if( strpos($iframe, 'vimeo') !== false ) { // Does the iframe contain vimeo
        preg_match('/src="(.+?)"/', $iframe, $matches); // Finds the src element of the iframe
        $src = $matches[1];
        $clean_src = strtok($src, '?'); // Removes all parameters
        $new_params = array(
            'color' => 'FEE600' // New color parameter
        );
        $new_src = add_query_arg( $new_params, $clean_src ); // Adds new params to clean src
        $iframe = str_replace($src, $new_src, $iframe); // Reassembles the iframe
    }
    return $iframe;
}
?>

Add color to vimeo videos

I was finding that the ACF oEmbed output was adding new unnecessary parameters that were rendering the color parameter ineffective when I added it. This function extracts the iframe source, removes all the parameters, adds the color parameter and then reassembles the full iframe.

If the embed doesn't contain vimeo it will simply pass through the function unaltered.

Worked for me as of August 2019.