php結合redis高并發下發帖、發微博的實現方法
676
2024-01-18
(PHP 5 >= 5.2.2)
imagegrabscreen — Captures the whole screen
說明
resource imagegrabscreen ( void )Grabs a screenshot of the whole screen.
返回值
Returns an image resource identifier on success, FALSE on failure.
范例
Example #1 imagegrabscreen() example
This example demonstrates how to take a screenshot of the current screen and save it as a png image.
<?php
$im = imagegrabscreen();
imagepng($im, "myscreenshot.png");
imagedestroy($im);
?>
注釋
Note:
This function is only available on Windows.
參見
imagegrabwindow() - Captures a window
