/**
* Compares The SEO Framework dot versions.
*
* @since 2.4.0
*
* @param string version The two dot version: x.v
* @return bool False plugin inactive or version compare yields negative results.
*/
function the_seo_framework_dot_version($version = '2.4')
{
$current_version = the_seo_framework_version();
if ($current_version) {
$version_len = strlen($version);
$current_version_len = strlen($current_version);
//* Only allow 3 length.
if (3 !== $version_len) {
$version = substr($version, 0, 3);
}
if (3 !== $current_version_len) {
$current_version = substr($current_version, 0, 3);
}
if ($current_version === $version) {
return true;
}
}
return false;
}
/**
* Start plugin at get_header. A semi constructor.
*
* @since 1.0.0
*/
public function start_plugin()
{
/**
* Don't fix the title in admin.
* get_header doesn't run in admin, but another plugin might init it.
*/
if (false === is_admin()) {
if (false === $this->current_theme_supports_title_tag()) {
/**
* Applies filters 'the_seo_framework_force_title_fix'
* @since 1.0.1
* @param bool Whether to force the title fixing.
*/
$this->force_title_fix = (bool) apply_filters('the_seo_framework_force_title_fix', version_compare(the_seo_framework_version(), '2.6.99', '<'));
}
/**
* Only do something if the theme is doing it wrong. Or when the filter has been applied.
* Requires initial load after theme switch.
*/
if ($this->force_title_fix || false === the_seo_framework()->theme_title_doing_it_right()) {
/**
* First run.
* Start at HTTP header.
* Stop right at where wp_head is run.
*/
add_action('get_header', array($this, 'start_ob'), 0);
add_action('wp_head', array($this, 'maybe_rewrite_title'), 0);
add_action('wp_head', array($this, 'maybe_stop_ob'), 0);
/**
* Second run. Capture WP head.
* {add_action( 'wp_head', 'wp_title' );.. who knows?}
* Start at where wp_head is run (last run left off).
* Stop right at the end of wp_head.
*/
add_action('wp_head', array($this, 'maybe_start_ob'), 0);
add_action('wp_head', array($this, 'maybe_rewrite_title'), 9999);
add_action('wp_head', array($this, 'maybe_stop_ob'), 9999);
/**
* Third run. Capture the page.
* Start at where wp_head has ended (last run left off),
* or at wp_head start (first run left off).
* Stop at the footer.
*/
add_action('wp_head', array($this, 'maybe_start_ob'), 9999);
add_action('get_footer', array($this, 'maybe_rewrite_title'), -1);
add_action('get_footer', array($this, 'maybe_stop_ob'), -1);
/**
* Stop OB if it's still running at shutdown.
* Might prevent AJAX issues, if any.
*/
add_action('shutdown', array($this, 'stop_ob'), 0);
}
}
}
