When generating the verification code, PHP prompts the solution that "the image cannot be displayed because of its own error".
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Today, using PHP code to generate check code function, found firefox has been prompted "image...... The author also prompts that "if the browser displays" image XXX cannot be displayed due to its own error,"you can try to remove the spaces in the text," but if you remove all spaces in the code, you still cannot display the inspection picture.
Deep Google, most of the solutions will be "
