WP_Image_Editor::save( string $destfilename = null, string $mime_type = null ): array|WP_Error

User Contributed Notes

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   thomasmathys 3 years ago

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   Uppercase extension

   Due to the presence of a strtolower in WP_Image_Editor::generate_filename, there can be issues with uppercase file extensions on linux-like system.

   $image = wp_get_image_editor( 'path/to/SOURCE.JPG' );
   $image->save( 'path/to/TARGET.JPG' );
   
   if ( file_exists ( 'path/to/TARGET.JPG' ) ) {
   	echo 'This will NOT show';
   }
   	
   if ( file_exists ( 'path/to/TARGET.jpg' ) ) {
   	echo 'This WILL show';
   }