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/**
* Get Google Page Speed Screenshot
*
* Uses Google's Page Speed API to generate a screenshot of a website.
* Returns the image as a base64 jpeg image tag
*
* Usage Example:
* echo getGooglePageSpeedScreenshot("http://ghost.org", 'class="thumbnail"');
*
*
* @author jaseclamp <https://gist.github.com/jaseclamp>
* @author <andrew@nomstock.com>
* @link https://gist.github.com/simpliwp/e6b69e3eb5a3bc1dc081#file-get-webpage-thumbnails-from-google
* @link https://gist.github.com/jaseclamp/d4ac6205db352e822ff6
* #ref: http://stackoverflow.com/a/22342840/3306354
*
*
* @param string $site The url of the site you want to capture
* @param string $img_tag_attributes The img tag attributes to add
* @return string A base64 coded jpg img tag. Simply echo it out wherever you want the image.
*/
function getGooglePageSpeedScreenshot( $site, $img_tag_attributes = "border='1'" ) {
#initialize
$use_cache = false;
$apc_is_loaded = extension_loaded( 'apc' );
#set $use_cache
if ( $apc_is_loaded ) {
apc_fetch( "thumbnail:" . $site, $use_cache );
}
if ( !$use_cache )
{
$image = file_get_contents( "https://www.googleapis.com/pagespeedonline/v1/runPagespeed?url=$site&screenshot=true" );
$image = json_decode( $image, true );
$image = $image[ 'screenshot' ][ 'data' ];
if ( $apc_is_loaded ) { apc_add( "thumbnail:" . $site, $image, 2400 ); }
}
$image = str_replace( array( '_', '-' ), array( '/', '+' ), $image );
return "<img src=\"data:image/jpeg;base64," . $image . "\" $img_tag_attributes />";
}
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