Grab all attributes for a given shortcode in a text

get_sc_attr.php

<?php

/**
 * Grab all attributes for a given shortcode in a text
 *
 * @uses get_shortcode_regex()
 * @uses shortcode_parse_atts()
 * @param  string $tag   Shortcode tag
 * @param  string $text  Text containing shortcodes
 * @return array  $out   Array of attributes
 */


// This function is to get attributes from [shortcode attr="val"]
// Usage: $get_title = inoic_get_child_sc_attr('shortcode tag', $content);
function prefix_get_child_sc_attr( $tag, $text ) {
    preg_match_all( '/' . get_shortcode_regex() . '/s', $text, $matches );
    $out = array();
    if( isset( $matches[2] ) )
    {
        foreach( (array) $matches[2] as $key => $value )
        {
            if( $tag === $value )
                $out[] = shortcode_parse_atts( $matches[3][$key] );  
        }
    }
    return $out;
}