bufferLevel = ob_get_level(); } /** * Ends the output buffering. * * @since 4.3.2 * @version 4.3.9 * * @return void */ public function endOutputBuffering() { // Bail if our code didn't start the output buffering at all. if ( 0 === $this->bufferLevel ) { return; } /** * In case the current buffer level is different from the one we kept earlier, then: either a plugin started a new buffer or ended our buffer earlier. * If that's the case, we can't properly rewrite the document title anymore since we don't know what buffer content we'd parse below. * In order to avoid conflicts/errors (blank/broken pages), we just bail. * If we bail, the page won't have the title set by AIOSEO, but this can be fixed if the active theme starts supporting the "title-tag" feature {@link https://codex.wordpress.org/Title_Tag}. */ if ( ob_get_level() !== $this->bufferLevel ) { return; } // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped echo $this->rewriteTitle( (string) ob_get_clean() ); } /** * Replace the page document title. * * @since 4.0.5 * @version 4.3.2 * @version 4.3.9 * * @param string $content The buffer content. * @return string The rewritten title. */ private function rewriteTitle( $content ) { if ( strpos( $content, ')/i', "$1\r\n\t\t", (string) $content, 1 ); } }