/**
* Minifies collected scripts
*/
private function flush_collected($last_script_tag)
{
if (count($this->files_to_minify) <= 0) {
return;
}
$do_flush_collected = apply_filters('w3tc_minify_js_do_flush_collected', true, $last_script_tag, $this);
if (!$do_flush_collected) {
return;
}
// find embed position
$embed_pos = $this->embed_pos;
if ($this->minify_group_number <= 0) {
// try forced embed position
$forced_embed_pos = strpos($this->buffer, '<!-- W3TC-include-js-head -->');
if ($forced_embed_pos !== false) {
$this->buffer = str_replace('<!-- W3TC-include-js-head -->', '', $this->buffer);
$embed_pos = $forced_embed_pos;
}
}
// build minified script tag
$data = array('files_to_minify' => $this->files_to_minify, 'embed_pos' => $embed_pos, 'embed_type' => $this->embed_type[$this->group_type], 'buffer' => $this->buffer);
$data = apply_filters('w3tc_minify_js_step', $data);
$this->buffer = $data['buffer'];
if (!empty($data['files_to_minify'])) {
$url = $this->minify_helpers->get_minify_url_for_files($data['files_to_minify'], 'js');
$script = '';
if (!is_null($url)) {
$script .= $this->minify_helpers->generate_script_tag($url, $data['embed_type']);
}
$data['script_to_embed_url'] = $url;
$data['script_to_embed_body'] = $script;
$data = apply_filters('w3tc_minify_js_step_script_to_embed', $data);
$this->buffer = $data['buffer'];
// replace
$this->buffer = substr_replace($this->buffer, $data['script_to_embed_body'], $data['embed_pos'], 0);
}
$this->files_to_minify = array();
$this->minify_group_number++;
}
/**
* Minifies collected scripts
*/
private function flush_collected()
{
if (count($this->files_to_minify) <= 0) {
return;
}
// find embed position
$embed_pos = $this->embed_pos;
if ($this->minify_group_number <= 0 && $this->group_type == 'head') {
// try forced embed position
$forced_embed_pos = strpos($this->buffer, '<!-- W3TC-include-js-head -->');
if ($forced_embed_pos !== false) {
$this->buffer = str_replace('<!-- W3TC-include-js-head -->', '', $this->buffer);
$embed_pos = $forced_embed_pos;
}
}
// build minified script tag
$urls = $this->minify_helpers->get_minify_urls_for_files($this->files_to_minify, 'js');
$script = '';
if (is_array($urls)) {
foreach ($urls as $url) {
$script .= $this->minify_helpers->generate_script_tag($url, $this->embed_type);
}
}
// replace
$this->buffer = substr_replace($this->buffer, $script, $embed_pos, 0);
$this->files_to_minify = array();
$this->minify_group_number++;
}
