This function is usefel if you want to use bind elements in PDO for IN clause for example: ( select * from table where id IN ( element, element) ... )

inArrayBind.php

<?php
    /**
     * Create Binds for Array Elements.
     *
     * @param array $ids
     *
     * @return array
     * @throws \InvalidArgumentException
     */
    function inArrayBind( array $ids )
    {
        if ( empty( $ids ) )
        {
            throw new \InvalidArgumentException( 'Array is empty.' );
        }

        $token  = md5( uniqid( rand(), true ) );
        $prefix = 'b' . substr( $token, 0, -( strlen( $token ) - 4 ) ) . 'd';

        $i    = 0;
        $bind = [ ];

        foreach ( $ids as $key => $value )
        {
            $i++;
            $bind[$prefix . $i] = $value;
        }

        return [
            'bind'        => $bind,
            'queryString' => ':' . join( ', :', array_keys( $bind ) )
        ];
    }
    ?>