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Website Programming in PHP / MYSQL
imageinterlace
(PHP 4, PHP 5)
imageinterlace — Enable or disable interlace
Description
int imageinterlace
( resource $image
[, int $interlace
] )
imageinterlace() turns the interlace bit on or off.
If the interlace bit is set and the image is used as a JPEG image, the image is created as a progressive JPEG.
Parameters
- image
-
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
- interlace
-
If non-zero, the image will be interlaced, else the interlace bit is turned off.
Return Values
Returns 1 if the interlace bit is set for the image, 0 otherwise.
