JezK

Edit File: admin_settings_key.php

<?php
/**
 * Render key panel.
 */

/**
 * Function that renders key panel.
 *
 * @param string $key          API Key.
 * @param string $status       API Key status.
 * @param string $status_msg   Status message.
 * @param string $message      Message.
 * @param string $color        Color to highlight message in.
 */
function ao_ccss_render_key( $key, $status, $status_msg, $message, $color ) {
    if ( defined( 'AO_PRO_VERSION' ) && has_filter( 'autoptimize_filter_ccss_key' ) ) {
        ?>
        <input type="hidden" id="autoptimize_ccss_key" name="autoptimize_ccss_key" value="">
        <?php
        return;
    }

if ( defined( 'AUTOPTIMIZE_CRITICALCSS_API_KEY' ) ) {
        $key = esc_html__( 'API key provided by your host/ WordPress administrator, no need to enter anything here. In case of problems with the API key, contact your host/ WordPress administrator.', 'autoptimize' );
    } else if ( has_filter( 'autoptimize_filter_ccss_key' ) ) {
        $key = esc_html__( 'API Key provided by a filter, no need to enter anything here.', 'autoptimize' );
    }

?>
    <ul id="key-panel">
        <li class="itemDetail">
            <h2 class="itemTitle fleft"><?php esc_html_e( 'API Key', 'autoptimize' ); ?>: <span style="color:<?php echo $color; ?>;"><?php echo $status_msg; ?></span></h2>
            <button type="button" class="toggle-btn">
                <?php if ( 'valid' != $status ) { ?>
                    <span class="toggle-indicator dashicons dashicons-arrow-up"></span>
                <?php } else { ?>
                    <span class="toggle-indicator dashicons dashicons-arrow-up dashicons-arrow-down"></span>
                <?php } ?>
            </button>
            <?php if ( 'valid' != $status ) { ?>
                <div class="collapsible">
            <?php } else { ?>
                <div class="collapsible hidden">
            <?php } ?>
            <?php if ( 'valid' != $status ) { ?>
                <div style="clear:both;padding:2px 10px;border-left:solid;border-left-width:5px;border-left-color:<?php echo $color; ?>;background-color:white;">
                    <p><?php echo $message; ?></p>
                </div>
            <?php } ?>
                <table id="key" class="form-table">
                    <tr>
                        <th scope="row">
                            <?php esc_html_e( 'Your API Key', 'autoptimize' ); ?>
                        </th>
                        <td>
                            <textarea id="autoptimize_ccss_key" name="autoptimize_ccss_key" rows='3' style="width:100%;" placeholder="<?php esc_html_e( 'Please enter your criticalcss.com API key here.', 'autoptimize' ); ?>"><?php echo trim( esc_textarea( $key ) ); ?></textarea>
                            <p class="notes">
                                <?php _e( 'Enter your <a href="https://criticalcss.com/account/api-keys?aff=1" target="_blank">criticalcss.com</a> API key above. The key is revalidated every time a new job is sent to it.<br />To obtain your API key, go to <a href="https://criticalcss.com/account/api-keys?aff=1" target="_blank">criticalcss.com</a> > Account > API Keys.<br />Requests to generate a critical CSS via the API are priced at £5 per domain per month.<br /><strong>Not sure yet? With the <a href="https://criticalcss.com/faq/?aff=1#trial" target="_blank">30 day money back guarantee</a>, you have nothing to lose!</strong>', 'autoptimize' ); ?>
                            </p>
                        </td>
                    </tr>
                </table>
            </div>
        </li>
    </ul>
    <?php
}