The image cannot be displayed because it contains errors. Solution

Verification code problem in php: Get the verification code report The image cannot be displayed because it has errors

Step 1: You can use ob_get_contents() to see if there is anything else output. If so, use ob_clean( ) just clear it

ob_clean() and put it above the header ( "Content-Type: image/{$Imagick->getImageFormat()}" );

Also:

1. Remove Chinese spaces as much as possible
2. Delete all spaces and press Enter before " to prevent html output

The above introduces the solution to the problem that the image cannot be displayed because of its own errors, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.