Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Absolute value
<?php abs(int|float $num): int|float
<?php         $alpha_tolerance = round($tolerance * 1.27);



        $delta = [

            'r' => abs($color->r - $this->r),

            'g' => abs($color->g - $this->g),

            'b' => abs($color->b - $this->b),

            'a' => abs($color->a - $this->a)
<?php         $delta = [

            'r' => abs($color->r - $this->r),

            'g' => abs($color->g - $this->g),

            'b' => abs($color->b - $this->b),

            'a' => abs($color->a - $this->a)

        ];
<?php         $delta = [

            'r' => abs($color->r - $this->r),

            'g' => abs($color->g - $this->g),

            'b' => abs($color->b - $this->b),

            'a' => abs($color->a - $this->a)

        ];
<?php             'r' => abs($color->r - $this->r),

            'g' => abs($color->g - $this->g),

            'b' => abs($color->b - $this->b),

            'a' => abs($color->a - $this->a)

        ];



        return (
<?php                 }

            }



            $box['width'] = intval(abs($box[4] - $box[0]));

            $box['height'] = intval(abs($box[5] - $box[1]));



        } else {
<?php             }



            $box['width'] = intval(abs($box[4] - $box[0]));

            $box['height'] = intval(abs($box[5] - $box[1]));



        } else {
<?php         $alpha_tolerance = round($tolerance);



        $delta = [

            'r' => abs($color->getRedValue() - $this->getRedValue()),

            'g' => abs($color->getGreenValue() - $this->getGreenValue()),

            'b' => abs($color->getBlueValue() - $this->getBlueValue()),

            'a' => abs($color->getAlphaValue() - $this->getAlphaValue())
<?php         $delta = [

            'r' => abs($color->getRedValue() - $this->getRedValue()),

            'g' => abs($color->getGreenValue() - $this->getGreenValue()),

            'b' => abs($color->getBlueValue() - $this->getBlueValue()),

            'a' => abs($color->getAlphaValue() - $this->getAlphaValue())

        ];
<?php         $delta = [

            'r' => abs($color->getRedValue() - $this->getRedValue()),

            'g' => abs($color->getGreenValue() - $this->getGreenValue()),

            'b' => abs($color->getBlueValue() - $this->getBlueValue()),

            'a' => abs($color->getAlphaValue() - $this->getAlphaValue())

        ];
<?php             'r' => abs($color->getRedValue() - $this->getRedValue()),

            'g' => abs($color->getGreenValue() - $this->getGreenValue()),

            'b' => abs($color->getBlueValue() - $this->getBlueValue()),

            'a' => abs($color->getAlphaValue() - $this->getAlphaValue())

        ];



        return (
<?php             $box['height'] = 0;

        } else {


            $box['width'] = intval(abs($dimensions['textWidth']));

            $box['height'] = intval(abs($dimensions['textHeight']));

        }
<?php         } else {


            $box['width'] = intval(abs($dimensions['textWidth']));

            $box['height'] = intval(abs($dimensions['textHeight']));

        }



        return $box;