check_straight

check_straight.php

<?php
error_reporting(E_ALL);

var_dump(check_straight(array( '2c', '4d', 'as', 'ah', '5c' )) == false);
var_dump(check_straight(array( '6h', '2h', '4d', '6d', '2c' )) == false);
var_dump(check_straight(array( 'jc', '10d', 'qs', 'ah', 'kc' )) == true);

count_self();

function check_straight($hand) {
	$t = $hand;
	
	//don't care about suits, just values. lower() just makes sure face cards work ok
	$t = preg_replace('/c|d|s|h/i', '', $t);
	$t = str_replace(array('j', 'q', 'k', 'a'), array(11, 12, 13, '1,14'), $t);
	$t = explode(',', implode(',', $t));
	
	//put the array in order so we can fork to account for Aces
	sort($t);
	
	//first 5 elements - Aces being low
	$w = array_slice($t, 0, 5);
	
	//last 5 elements - Aces being high
	$h = array_slice($t, count($t) - 5, 5);
	
	return c($w) || c($h);
}

function c($a) {
	return ($a == range(min($a), min($a) + 4));
}

function count_self() {
	$f = file_get_contents(__FILE__);
	echo 'length: ', strlen($f), "\n";
	echo 'no comments: ', strlen($f = preg_replace('/\/\/(.*)\n/', '', $f)), "\n";
	echo 'no whitespace: ', strlen($f = preg_replace('/\s/', '', $f)), "\n";
	
	$start = strpos($f, 'functioncount_self') - 1;
	$f = substr($f, 0, $start);
	$start = strpos($f, 'functioncheck_straight');
	$start = strpos($f, '{', $start) + 1;
	$f = substr($f, $start);
	$f = str_replace('returnc', 'return c', $f);
	$f = str_replace('functionc', 'function c', $f);
	$f = str_replace('$handas', '$hand as', $f);
	echo 'remove meta code: ', strlen($f), "\n";
	echo 'minified: '.$f;
}

minified.php

<?php
error_reporting(E_ALL);

var_dump(check_straight(array( '2c', '4d', 'as', 'ah', '5c' ))); //false
var_dump(check_straight(array( '6h', '2h', '4d', '6d', '2c' ))); //false
var_dump(check_straight(array( 'jc', '10d', 'qs', 'ah', 'kc' ))); //true

count_self();

function check_straight($hand) {
	//don't care about suits, just values. lower() just makes sure face cards work ok
	$t = explode(',', implode(',', str_replace(array('j', 'q', 'k', 'a'), array(11, 12, 13, '1,14'), preg_replace('/c|d|s|h/i', '', $hand))));
	
	//put the array in order so we can fork to account for Aces
	sort($t);
	
	return c(array_slice($t, 0, 5)) || c(array_slice($t, count($t) - 5, 5));
}

function c($a) {
	return ($a == range(min($a), min($a) + 4));
}

function count_self() {
	$f = file_get_contents(__FILE__);
	echo 'length: ', strlen($f), "\n";
	echo 'no comments: ', strlen($f = preg_replace('/\/\/(.*)\n/', '', $f)), "\n";
	echo 'no whitespace: ', strlen($f = preg_replace('/\s/', '', $f)), "\n";
	
	$start = strpos($f, 'functioncount_self') - 1;
	$f = substr($f, 0, $start);
	$start = strpos($f, 'functioncheck_straight');
	$start = strpos($f, '{', $start) + 1;
	$f = substr($f, $start);
	$f = str_replace('returnc', 'return c', $f);
	$f = str_replace('functionc', 'function c', $f);
	$f = str_replace('$handas', '$hand as', $f);
	echo 'remove meta code: ', strlen($f), "\n";
	echo 'minified: '.$f;
}