ImageInterlace

(PHP 3, PHP 4 >= 4.0.0)

ImageInterlace -- Enable or disable interlace

Description

int imageinterlace (int im [, int interlace])

ImageInterlace() turns the interlace bit on or off. If interlace is 1 the im image will be interlaced, and if interlace is 0 the interlace bit is turned off.

If the interlace bit is set and the image is used as a JPEG image, the image is created as a progressive JPEG.

This function returns whether the interlace bit is set for the image.



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