Syntax:array Imagick::getImageChannelStatistics (void)
Parameters:This function takes no parameters.
Exceptions:This function throws an ImagickException on error.
Return value:this function returns an array with statistics as members of the array.The following programs illustrate the
Imagick::getImageChannelStatistics() functionin PHP:
Program 1:
// Create a new imagick object $imagick = new Imagick ( ’ https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-13 .png ’ );
// Get statistics $statistics = $imagick -> getImageChannelStatistics(); print ( " "
. print_r ( $statistics , true). "" ); ?> Output:Array ([0] = > Array ([mean] = > 0 [minima] = > 1.7976931348623E + 308 [maxima] = > -1.7976931348623E + 308 [standardDeviation] = > 0 [ depth] = > 1) [1] = > Array ([mean] = > 56510.812968516 [minima] = > 0 [maxima] = > 65535 [standardDeviation] = > 20404.259764873 [depth] = > 8 ) [2] = > Array ([mean] = > 61143.413450883 [minima] = > 5654 [maxima] = > 65535 [standardDeviation] = > 10656.363052485 [depth] = > 8) [4] = > Array ([mean] = > 57923.358076397 [minima] = > 1799 [maxima] = > 65535 [standardDeviation] = > 17257.063161026 [depth] = > 8) [8] = > Array ([mean] = > 0 [minima] = > 0 [maxima] = > 0 [standardDeviation] = > 0 [depth] = > 1) [32] = > Array ([mean] = > 0 [minima ] = > 1.7976931348623E + 308 [maxima] = > -1.7976931348623E + 308 [standardDeviation] = > 0 [depth] = > 1))
Program 2:
// Create a new imagick object $imagick = new Imagick ( ’ https://media.engineerforengineer.org/wp-content/uploads/20190918234528/colorize1.png ’ );
// Get statistics $statistics = $imagick -> getImageChannelStatistics(); print ( " "
. print_r ( $statistics , true). "" ); ?> Output:Array ([0] = > Array ([mean] = > 0 [minima] = > 1.7976931348623E + 308 [maxima] = > -1.7976931348623E + 308 [standardDeviation] = > 0 [ depth] = > 1) [1] = > Array ([mean] = > 56510.812968516 [minima] = > 0 [maxima] = > 65535 [standardDeviation] = > 20404.259764873 [depth] = > 8 ) [2] = > Array ([mean] = > 61143.413450883 [minima] = > 5654 [maxima] = > 65535 [standardDeviation] = > 10656.363052485 [depth] = > 8) [4] = > Array ([mean] = > 65535 [minima] = > 65535 [maxima] = > 65535 [standardDeviation] = > 0 [depth] = > 1) [8] = > Array ([mean] = > 0 [minima] = > 0 [maxima] = > 0 [standardDeviation] = > 0 [depth] = > 1) [32] = > Array ([mean] = > 0 [minima ] = > 1.7976931348623E + 308 [maxima] = > -1.7976931348623E + 308 [standardDeviation] = > 0 [depth] = > 1))
Link: https://www.php.net/manual/en/imagick.getimagechannelstatistics.php
