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  » imagecreatefrompng()
  » site_pageranks()
  » imagepng()
  » imagedestroy()
  » imagestring()
  » imagecolorallocate()
  » htmlentities()
  » preg_match()
  » fopen()
  » header()
  » getimagesize()
  » htmlspecialchars()
  » ob_start()
  » preg_match_all()
  » strstr()
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  » array2vars()
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  » preg_split()
  » ereg()
  » ereg_replace()
  » urlencode()
  » readgzfile()

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(PHP 3, 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 interlace is 1 the 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.