cup-of · July 23, 2018 17:00
diff --git a/functions.php b/functions.php
 /* Deregister jQuery and enqueue main scripts
 --------------------------------------------------------------------------------------- */

 function scripts() {
  wp_deregister_script('jquery');
  wp_deregister_script( 'wp-embed' );
 }

 add_action( 'wp_enqueue_scripts', 'scripts' );




 /* Inject minified style.css in the head
 --------------------------------------------------------------------------------------- */

 // Takes the style.css and injects a minified version of it into the <head>. Increases pagespeed on google's light house audit.
 // You will need to create a php file called _css.php and put it in a folder called speed in your theme directory.
 // Make sure to remove the link to the style.css in the head, since we dont need it anymore.

 add_action( 'wp_head', 'merge_css' );
 function merge_css() {
  // Get current theme name
  $theme = wp_get_theme();
 
  // Initialize variable we will store all of our css in
  $mergedCSS = '';

  // Do stuff with third party css
  // Grab all of the css files in the /css folder
  $cssFiles = glob(get_stylesheet_directory() . '/css/*.css');

  // Loop through each file and keep appending its contents to the $mergedCSS variable.
  // Basically store the content of all css files into the $mergedCSS variable.
  foreach($cssFiles as $file) {
    $mergedCSS .= file_get_contents($file);
  }

  // Do stuff with style.css
  // Replace 'url' in the css with the full path, needed when injected into the head
  $styles = file_get_contents( get_stylesheet_directory().'/style.css' );
  $styles = str_replace( "images", "/wp-content/themes/$theme->template/images", $styles );
 
  // Dont use if linking in google fonts
  $styles = str_replace( "fonts", "/wp-content/themes/$theme->template/fonts", $styles );
 
  // Add style.css to $mergedCSS
  $mergedCSS .= $styles;

  // Minify the css
  $mergedCSS = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $mergedCSS);
  $mergedCSS = str_replace(': ', ':', $mergedCSS);
  $mergedCSS = str_replace(array("\r\n", "\r", "\n", "\t", '  ', '    ', '    '), '', $mergedCSS);

  // Place the minified css into _css.php and inject into header.
  // Using .php just incase we need to put php (acfs) into our stylesheet.
  file_put_contents( get_stylesheet_directory().'/speed/_css.php', $mergedCSS );

  // Print it -> will end up in the head because of add action wp_head
  echo '<style>';
  include_once get_stylesheet_directory().'/speed/_css.php';
  echo '</style>';
 }


 /* Inject minified js files in the footer
 --------------------------------------------------------------------------------------- */

 // Takes all third party js files and injects them into the footer. Increases pagespeed on google's light house audit.
 // You will need to create a js file called _js.js and put it in a folder called speed in your theme directory.
 // Make sure to remove the links to these js files and deregister jQuery (see top of this file), since we dont need them anymore. 
 // If you are getting errors check this out: https://stackoverflow.com/questions/20307462/js-cant-combine-lib-files
 // Also be careful of the order of the javascript files, `glob` grabs them in alphabetical order. If the order in which you
 // declare your javascript matters, either rename your files to be in alphabetical order or manually declare your array instead of using `glob`  
 // If you are using gravity forms make sure to include the js files needed. Each functionality adds a new script (ex: datepicker.js) 
 // I've included the main ones we use alot. If you arent using gravity forms, delete lines 84 to 94. 
 // Lastly, include JSMin.php into your speed folder, download here: https://github.com/mrclay/jsmin_minify 

 add_action( 'wp_footer', 'merge_js' );
 function merge_js() {

  // Include the js minifier
  include(get_stylesheet_directory() . '/speed/JSMin.php');

  // Initialize variable to store js into with jQuery since some scripts depend on it
  $mergedJs = file_get_contents(ABSPATH . WPINC . '/js/jquery/jquery.js');

  $gravityFiles = array(
    WP_PLUGIN_DIR."/gravityforms/js/jquery.json.min.js",
    WP_PLUGIN_DIR."/gravityforms/js/gravityforms.min.js",
    WP_PLUGIN_DIR."/gravityforms/js/jquery.maskedinput.min.js",
    WP_PLUGIN_DIR."/gravityforms/js/placeholders.jquery.min.js"
  );
  
  // Loop through each gravity forms file and keep appending its contents to the $mergedJs variable.
  foreach ($gravityFiles as $gravityFormJsFile) {
    $mergedJs .= file_get_contents($gravityFormJsFile);
  }
 
  // Grab all of the js files in the /js folder
  $files = glob(get_stylesheet_directory() . '/js/*.js');

  // Loop through each js file and keep appending its contents to the $js variable.
  foreach($files as $file) {
    $mergedJs .= file_get_contents($file);
  }

  // Minify the final js
  $mergedJs = JSMin::minify($mergedJs);

  // Store the contents of the $mergedJs variable into _js.js
  file_put_contents(get_stylesheet_directory() . '/speed/_js.js', $mergedJs);

  // Print it -> will end up in the footer because of add action wp_footer
  echo '<script>';
  include_once get_stylesheet_directory().'/speed/_js.js';
  echo  '</script>';
 
  // If you want cacheing use this instead of echo/include above. Slower initial load but faster future loads
  // $path = get_stylesheet_directory_uri() . '/speed/_js.js';
  // echo '<script src='. $path .'></script>';
 }
 
 
 
 
 /* Minify Html
 --------------------------------------------------------------------------------------- */
 
 // Minifies the HTML
 // Download 'html-compressor.php' from https://github.com/tylerhall/html-compressor and include it into the speed folder

 require get_stylesheet_directory() . '/speed/html-compressor.php';
 function wp_html_compressor()
 {
  function wp_html_compressor_main($data)
  {
    return html_compress($data);
  }

  ob_start('wp_html_compressor_main');
 }
 add_action('get_header', 'wp_html_compressor');
	/* Deregister jQuery and enqueue main scripts
	--------------------------------------------------------------------------------------- */

	function scripts() {
	wp_deregister_script('jquery');
	wp_deregister_script( 'wp-embed' );
	}

	add_action( 'wp_enqueue_scripts', 'scripts' );




	/* Inject minified style.css in the head
	--------------------------------------------------------------------------------------- */

	// Takes the style.css and injects a minified version of it into the <head>. Increases pagespeed on google's light house audit.
	// You will need to create a php file called _css.php and put it in a folder called speed in your theme directory.
	// Make sure to remove the link to the style.css in the head, since we dont need it anymore.

	add_action( 'wp_head', 'merge_css' );
	function merge_css() {
	// Get current theme name
	$theme = wp_get_theme();

	// Initialize variable we will store all of our css in
	$mergedCSS = '';

	// Do stuff with third party css
	// Grab all of the css files in the /css folder
	$cssFiles = glob(get_stylesheet_directory() . '/css/*.css');

	// Loop through each file and keep appending its contents to the $mergedCSS variable.
	// Basically store the content of all css files into the $mergedCSS variable.
	foreach($cssFiles as $file) {
	$mergedCSS .= file_get_contents($file);
	}

	// Do stuff with style.css
	// Replace 'url' in the css with the full path, needed when injected into the head
	$styles = file_get_contents( get_stylesheet_directory().'/style.css' );
	$styles = str_replace( "images", "/wp-content/themes/$theme->template/images", $styles );

	// Dont use if linking in google fonts
	$styles = str_replace( "fonts", "/wp-content/themes/$theme->template/fonts", $styles );

	// Add style.css to $mergedCSS
	$mergedCSS .= $styles;

	// Minify the css
	$mergedCSS = preg_replace('!/\[^]\+([^/][^]\+)/!', '', $mergedCSS);
	$mergedCSS = str_replace(': ', ':', $mergedCSS);
	$mergedCSS = str_replace(array("\r\n", "\r", "\n", "\t", ' ', ' ', ' '), '', $mergedCSS);

	// Place the minified css into _css.php and inject into header.
	// Using .php just incase we need to put php (acfs) into our stylesheet.
	file_put_contents( get_stylesheet_directory().'/speed/_css.php', $mergedCSS );

	// Print it -> will end up in the head because of add action wp_head
	echo '<style>';
	include_once get_stylesheet_directory().'/speed/_css.php';
	echo '</style>';
	}


	/* Inject minified js files in the footer
	--------------------------------------------------------------------------------------- */

	// Takes all third party js files and injects them into the footer. Increases pagespeed on google's light house audit.
	// You will need to create a js file called _js.js and put it in a folder called speed in your theme directory.
	// Make sure to remove the links to these js files and deregister jQuery (see top of this file), since we dont need them anymore.
	// If you are getting errors check this out: https://stackoverflow.com/questions/20307462/js-cant-combine-lib-files
	// Also be careful of the order of the javascript files, `glob` grabs them in alphabetical order. If the order in which you
	// declare your javascript matters, either rename your files to be in alphabetical order or manually declare your array instead of using `glob`
	// If you are using gravity forms make sure to include the js files needed. Each functionality adds a new script (ex: datepicker.js)
	// I've included the main ones we use alot. If you arent using gravity forms, delete lines 84 to 94.
	// Lastly, include JSMin.php into your speed folder, download here: https://github.com/mrclay/jsmin_minify

	add_action( 'wp_footer', 'merge_js' );
	function merge_js() {

	// Include the js minifier
	include(get_stylesheet_directory() . '/speed/JSMin.php');

	// Initialize variable to store js into with jQuery since some scripts depend on it
	$mergedJs = file_get_contents(ABSPATH . WPINC . '/js/jquery/jquery.js');

	$gravityFiles = array(
	WP_PLUGIN_DIR."/gravityforms/js/jquery.json.min.js",
	WP_PLUGIN_DIR."/gravityforms/js/gravityforms.min.js",
	WP_PLUGIN_DIR."/gravityforms/js/jquery.maskedinput.min.js",
	WP_PLUGIN_DIR."/gravityforms/js/placeholders.jquery.min.js"
	);

	// Loop through each gravity forms file and keep appending its contents to the $mergedJs variable.
	foreach ($gravityFiles as $gravityFormJsFile) {
	$mergedJs .= file_get_contents($gravityFormJsFile);
	}

	// Grab all of the js files in the /js folder
	$files = glob(get_stylesheet_directory() . '/js/*.js');

	// Loop through each js file and keep appending its contents to the $js variable.
	foreach($files as $file) {
	$mergedJs .= file_get_contents($file);
	}

	// Minify the final js
	$mergedJs = JSMin::minify($mergedJs);

	// Store the contents of the $mergedJs variable into _js.js
	file_put_contents(get_stylesheet_directory() . '/speed/_js.js', $mergedJs);

	// Print it -> will end up in the footer because of add action wp_footer
	echo '<script>';
	include_once get_stylesheet_directory().'/speed/_js.js';
	echo '</script>';

	// If you want cacheing use this instead of echo/include above. Slower initial load but faster future loads
	// $path = get_stylesheet_directory_uri() . '/speed/_js.js';
	// echo '<script src='. $path .'></script>';
	}




	/* Minify Html
	--------------------------------------------------------------------------------------- */

	// Minifies the HTML
	// Download 'html-compressor.php' from https://github.com/tylerhall/html-compressor and include it into the speed folder

	require get_stylesheet_directory() . '/speed/html-compressor.php';
	function wp_html_compressor()
	{
	function wp_html_compressor_main($data)
	{
	return html_compress($data);
	}

	ob_start('wp_html_compressor_main');
	}
	add_action('get_header', 'wp_html_compressor');