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Update auto sizes logic in Enhanced Responsive Images plugin to no longer load if already in Core #1547

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Sep 23, 2024
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8 changes: 6 additions & 2 deletions plugins/auto-sizes/hooks.php
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,6 @@ function auto_sizes_update_image_attributes( $attr ): array {

return $attr;
}
add_filter( 'wp_get_attachment_image_attributes', 'auto_sizes_update_image_attributes' );

/**
* Adds auto to the sizes attribute to the image, if applicable.
Expand Down Expand Up @@ -85,7 +84,12 @@ function auto_sizes_update_content_img_tag( $html ): string {
$processor->set_attribute( 'sizes', "auto, $sizes" );
return $processor->get_updated_html();
}
add_filter( 'wp_content_img_tag', 'auto_sizes_update_content_img_tag' );

// Skip loading plugin filters if WordPress Core already loaded the functionality.
if ( ! function_exists( 'wp_sizes_attribute_includes_valid_auto' ) ) {
add_filter( 'wp_get_attachment_image_attributes', 'auto_sizes_update_image_attributes' );
add_filter( 'wp_content_img_tag', 'auto_sizes_update_content_img_tag' );
}

/**
* Checks whether the given 'sizes' attribute includes the 'auto' keyword as the first item in the list.
Expand Down
14 changes: 6 additions & 8 deletions plugins/auto-sizes/tests/test-auto-sizes.php
Original file line number Diff line number Diff line change
Expand Up @@ -33,8 +33,8 @@ public function get_image_tag( int $attachment_id ): string {
}

public function test_hooks(): void {
$this->assertSame( 10, has_filter( 'wp_get_attachment_image_attributes', 'auto_sizes_update_image_attributes' ) );
$this->assertSame( 10, has_filter( 'wp_content_img_tag', 'auto_sizes_update_content_img_tag' ) );
$this->assertSame( function_exists( 'wp_sizes_attribute_includes_valid_auto' ) ? false : 10, has_filter( 'wp_get_attachment_image_attributes', 'auto_sizes_update_image_attributes' ) );
$this->assertSame( function_exists( 'wp_sizes_attribute_includes_valid_auto' ) ? false : 10, has_filter( 'wp_content_img_tag', 'auto_sizes_update_content_img_tag' ) );
$this->assertSame( 10, has_action( 'wp_head', 'auto_sizes_render_generator' ) );
}

Expand Down Expand Up @@ -206,13 +206,11 @@ public function data_image_with_existing_auto_sizes(): array {
}

/**
* Test printing the meta generator tag.
*
* @covers ::auto_sizes_render_generator
* Test auto-sizes meta tag present in wp_head hook.
*/
public function test_auto_sizes_render_generator(): void {
$tag = get_echo( 'auto_sizes_render_generator' );
$this->assertStringStartsWith( '<meta', $tag );
public function test_auto_sizes_meta_tag_present_in_wp_head_hook(): void {
$tag = get_echo( 'wp_head' );
$this->assertStringContainsString( '<meta', $tag );
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$this->assertStringContainsString( 'generator', $tag );
$this->assertStringContainsString( 'auto-sizes ' . IMAGE_AUTO_SIZES_VERSION, $tag );
}
Expand Down