Online PHP editor | refs for kUQlb

<?php function hsl2rgb($H, $S, $V) { $H *= 6; $h = intval($H); $H -= $h; $V *= 255; $m = $V*(1 - $S); $x = $V*(1 - $S*(1-$H)); $y = $V*(1 - $S*$H); $a = [[$V, $x, $m], [$y, $V, $m], [$m, $V, $x], [$m, $y, $V], [$x, $m, $V], [$V, $m, $y]][$h]; return sprintf("#%02X%02X%02X", $a[0], $a[1], $a[2]); } function hue($tstr) { #return unpack('L', hash('adler32', $tstr, true))[1]; #adler32 return crc32($tstr); #return md5($tstr); } $phrase = "1"; $col = hsl2rgb(hue($phrase)/0xFFFFFFFF, 0.4, 1); printf('<pre>%f</pre>\n ', $col, hue($phrase)/0xFFFFFFFF); $phrase = "2"; $col = hsl2rgb(hue($phrase)/0xFFFFFFFF, 0.4, 1); printf('<pre>%f</pre>\n ', $col, hue($phrase)/0xFFFFFFFF); $phrase = "3"; $col = hsl2rgb(hue($phrase)/0xFFFFFFFF, 0.4, 1); printf('<pre>%f</pre>\n ', $col, hue($phrase)/0xFFFFFFFF);