PHP remove_image_size函数代码示例

/**
 * Remove unneeded Jetpack Logo related functions.
 * Hook into after_theme_setup with priority of 11
 * to override parent theme functions.
 *
 * @link https://codex.wordpress.org/Function_Reference/remove_theme_support
 *
 */
function adaline_logo_letter_setup()
{
    // This will remove the image size used exclusively with Jetpack Site Logo
    remove_image_size('adaline-logo');
    // This will remove theme support for Jetpack Site Logo
    remove_theme_support('site-logo');
}

 /**
  * @ticket 17626
  */
 function test_get_intermediate_sizes_by_name()
 {
     add_image_size('test-size', 330, 220, true);
     $file = DIR_TESTDATA . '/images/waffles.jpg';
     $id = $this->_make_attachment($file, 0);
     // look for a size by name
     $image = image_get_intermediate_size($id, 'test-size');
     // cleanup
     remove_image_size('test-size');
     // test for the expected string because the array will by definition
     // return with the correct height and width attributes
     $this->assertTrue(strpos($image['file'], '330x220') > 0);
 }

 public function test_get_item_sizes_with_no_url()
 {
     $attachment_id = $this->factory->attachment->create_object($this->test_file, 0, array('post_mime_type' => 'image/jpeg', 'post_excerpt' => 'A sample caption'), $this->test_file);
     add_image_size('rest-api-test', 119, 119, true);
     wp_update_attachment_metadata($attachment_id, wp_generate_attachment_metadata($attachment_id, $this->test_file));
     add_filter('wp_get_attachment_image_src', '__return_false');
     $request = new WP_REST_Request('GET', '/wp/v2/media/' . $attachment_id);
     $response = $this->server->dispatch($request);
     $data = $response->get_data();
     remove_filter('wp_get_attachment_image_src', '__return_false');
     remove_image_size('rest-api-test');
     $this->assertFalse(isset($data['media_details']['sizes']['rest-api-test']['source_url']));
 }

 protected function _remove_image_sizes()
 {
     remove_image_size('jetpack_soft_defined');
     remove_image_size('jetpack_soft_undefined');
     remove_image_size('jetpack_soft_undefined_zero');
     remove_image_size('jetpack_hard_defined');
     remove_image_size('jetpack_hard_undefined');
     remove_image_size('jetpack_hard_undefined_zero');
     remove_image_size('jetpack_soft_defined_after_upload');
     remove_image_size('jetpack_soft_undefined_after_upload');
     remove_image_size('jetpack_soft_undefined_zero_after_upload');
     remove_image_size('jetpack_hard_defined_after_upload');
     remove_image_size('jetpack_hard_undefined_after_upload');
     remove_image_size('jetpack_hard_undefined_zero_after_upload');
     remove_image_size('jetpack_soft_oversized');
     remove_image_size('jetpack_soft_oversized_after_upload');
 }

function wr2x_init()
{
    load_plugin_textdomain('wp-retina-2x', false, dirname(plugin_basename(__FILE__)) . '/languages/');
    if (wr2x_getoption('disable_medium_large', 'wr2x_basics', false)) {
        remove_image_size('medium_large');
        add_filter('image_size_names_choose', 'wr2x_unset_medium_large');
        add_filter('intermediate_image_sizes_advanced', 'wr2x_unset_medium_large');
    }
    if (is_admin()) {
        wp_register_style('wr2x-admin-css', plugins_url('/wr2x_admin.css', __FILE__));
        wp_enqueue_style('wr2x-admin-css');
        if (!wr2x_getoption("retina_admin", "wr2x_advanced", false)) {
            return;
        }
    }
    $method = wr2x_getoption("method", "wr2x_advanced", 'Picturefill');
    if ($method == "Picturefill") {
        add_action('wp_head', 'wr2x_picture_buffer_start');
        add_action('wp_footer', 'wr2x_picture_buffer_end');
    } else {
        if ($method == 'HTML Rewrite') {
            $is_retina = false;
            if (isset($_COOKIE['devicePixelRatio'])) {
                $is_retina = ceil(floatval($_COOKIE['devicePixelRatio'])) > 1;
                if (wr2x_getoption("ignore_mobile", "wr2x_advanced", false)) {
                    $mobileDetect = new Mobile_Detect();
                    $is_retina = !$mobileDetect->isMobile();
                }
            }
            if ($is_retina || wr2x_is_debug()) {
                add_action('wp_head', 'wr2x_buffer_start');
                add_action('wp_footer', 'wr2x_buffer_end');
            }
        }
    }
}

	/**
	 * @ticket 26768
	 */
	function test_remove_image_size() {
		add_image_size( 'test-size', 200, 600 );
		$this->assertTrue( has_image_size( 'test-size' ) );
		remove_image_size( 'test-size' );
		$this->assertFalse( has_image_size( 'test-size' ) );
	}

 /**
  * @ticket 26951
  */
 function test_has_image_size()
 {
     add_image_size('test-size', 200, 600);
     $this->assertTrue(has_image_size('test-size'));
     // Clean up
     remove_image_size('test-size');
 }

 /**
  * @ticket 39231
  */
 public function test_fallback_intermediate_image_sizes()
 {
     if (!wp_image_editor_supports(array('mime_type' => 'application/pdf'))) {
         $this->markTestSkipped('Rendering PDFs is not supported on this system.');
     }
     $orig_file = DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf';
     $test_file = '/tmp/wordpress-gsoc-flyer.pdf';
     copy($orig_file, $test_file);
     $attachment_id = $this->factory->attachment->create_object($test_file, 0, array('post_mime_type' => 'application/pdf'));
     $this->assertNotEmpty($attachment_id);
     add_image_size('test-size', 100, 100);
     add_filter('fallback_intermediate_image_sizes', array($this, 'filter_fallback_intermediate_image_sizes'), 10, 2);
     $expected = array('file' => 'wordpress-gsoc-flyer-77x100.jpg', 'width' => 77, 'height' => 100, 'mime-type' => 'image/jpeg');
     $metadata = wp_generate_attachment_metadata($attachment_id, $test_file);
     $this->assertTrue(isset($metadata['sizes']['test-size']), 'The `test-size` was not added to the metadata.');
     $this->assertSame($metadata['sizes']['test-size'], $expected);
     remove_image_size('test-size');
     remove_filter('fallback_intermediate_image_sizes', array($this, 'filter_fallback_intermediate_image_sizes'), 10);
     unlink($test_file);
 }

 /**
  * @ticket 17626
  * @ticket 34087
  */
 public function test_get_intermediate_sizes_should_match_size_with_off_by_one_aspect_ratio()
 {
     // Original is 600x400. 300x201 is close enough to match.
     $width = 300;
     $height = 201;
     add_image_size('off-by-one', $width, $height, true);
     $file = DIR_TESTDATA . '/images/waffles.jpg';
     $id = $this->_make_attachment($file, 0);
     $original = wp_get_attachment_metadata($id);
     $image_h = $height;
     $image_w = round($image_h / $original['height'] * $original['width']);
     // look for a size by array that exists
     // note: staying larger than 300px to miss default medium crop
     $image = image_get_intermediate_size($id, array(0, $height));
     $this->assertTrue(strpos($image['file'], $width . 'x' . $height) > 0);
     // cleanup
     remove_image_size('off-by-one');
 }

 /**
  * @ticket 17626
  */
 function test_get_intermediate_sizes_by_array_zero_width()
 {
     // Generate random height
     $random_h = rand(200, 300);
     // Only one dimention match shouldn't return false positive (see: 17626)
     add_image_size('test-size', 0, $random_h, false);
     add_image_size('false-height', 300, $random_h, true);
     $file = DIR_TESTDATA . '/images/waffles.jpg';
     $id = $this->_make_attachment($file, 0);
     $original = wp_get_attachment_metadata($id);
     $image_h = $random_h;
     $image_w = round($image_h / $original['height'] * $original['width']);
     // look for a size by array that exists
     // note: staying larger than 300px to miss default medium crop
     $image = image_get_intermediate_size($id, array(0, $random_h));
     // test for the expected string because the array will by definition
     // return with the correct height and width attributes
     $this->assertTrue(strpos($image['file'], $image_w . 'x' . $image_h) > 0);
     // cleanup
     remove_image_size('test-size');
     remove_image_size('false-height');
 }

 /**
  * Remove some images sizes.
  */
 public function image_sizes()
 {
     remove_image_size('spine-small_size');
     remove_image_size('spine-large_size');
     remove_image_size('spine-xlarge_size');
 }

 public static function remove($size_name = '')
 {
     remove_image_size($size_name);
 }