installed plugin W3 Total Cache version 2.3.2

wp-content/plugins/w3-total-cache/Extension_NewRelic_Popup_View_Intro.php

@@ -0,0 +1,55 @@
+<?php
+namespace W3TC;
+
+if ( ! defined( 'W3TC' ) ) {
+	die();
+}
+?>
+<form style="padding: 20px">
+	<?php
+	if ( isset( $details['error_message'] ) ) {
+		echo '<div class="error">' . esc_html( $details['error_message'] ) . '</div>';
+	}
+	?>
+
+	<div class="metabox-holder">
+		<?php Util_Ui::postbox_header( esc_html__( 'Specify API Key', 'w3-total-cache' ) ); ?>
+		<table class="form-table">
+			<tr>
+				<th>
+					<label for="newrelic_api_key">
+						<?php
+						echo wp_kses(
+							sprintf(
+								// translators: 1 opening HTML acronym tag, 2 closing HTML acronym tag.
+								__(
+									'%1$sAPI%2$s key:',
+									'w3-total-cache'
+								),
+								'<acronym title="' . esc_attr__( 'Application Programming Interface', 'w3-total-cache' ) . '">',
+								'</acronym>'
+							),
+							array(
+								'acronym' => array(
+									'title' => array(),
+								),
+							)
+						);
+						?>
+					</label>
+				</th>
+				<td>
+					<input name="api_key" class="w3tcnr_api_key" type="text"
+						value="<?php echo esc_attr( $details['api_key'] ); ?>" size="45"/>
+				</td>
+			</tr>
+		</table>
+
+		<p class="submit">
+			<input type="button"
+				class="w3tcnr_list_applications w3tc-button-save button-primary"
+				value="<?php esc_attr_e( 'Apply', 'w3-total-cache' ); ?>" />
+		</p>
+		<?php Util_Ui::postbox_footer(); ?>
+	</div>
+</form>