This article introduces 25 good PHP game programming script codes, including simple dice roll, random name generator, scene generator, deck builder (Deck builder) and equipment (shuffler), simple poker issuer Card machines, Hangman games, crossword helpers, midribs, lotto machines, etc. Hope it can be helpful to your work.
Simple dice rolling machine
Many games and game systems require dice. Let's start with the easy part: rolling a six-sided die. Essentially, rolling a six-sided die is simply choosing a random number between 1 and 6. In PHP, this is very simple: echo rand(1,6);.
In many cases, this is basically simple. But when dealing with games of chance, we need some better implementation. PHP provides a better random number generator: mt_rand(). Without delving too deeply into the differences between the two, mt_rand can be thought of as a faster and better random number generator: echo mt_rand(1,6);. It would be even better if you put this random number generator into a function.
Listing 1. Using the mt_rand() random number generator function
Function roll () {
return mt_rand(1,6);
}
echo roll();
Then you can pass the type of dice to be rolled as a parameter to the function.
Listing 2. Passing the dice type as a parameter
Function roll ($sides) {
return mt_rand(1,$sides);
}
echo roll(6); // roll a six-sided die
echo roll(10); // roll a ten-sided die
echo roll(20); // roll a twenty-sided die
From here on, we can continue to roll multiple dice at once as needed and return an array of results; we can also roll multiple dice of different types at once. But most tasks can be done using this simple script.
Random name generator
If you’re running a game, writing a story, or creating a large number of characters at once, it can sometimes be overwhelming to deal with the constant stream of new names. Let's take a look at a simple random name generator that can be used to solve this problem. First, let's create two simple arrays—one for first names and one for last names.
Listing 3. Two simple arrays of first name and last name
$male = array(
"William",
"Henry",
"Filbert",
"John",
"Pat",
);
$last = array(
"Smith",
"Jones",
"Winkler",
"Cooper",
"Cline",
);
Then you can select a random element from each array: echo $male[array_rand($male)] . . $last[array_rand($last)];. To extract multiple names at once, just mix the arrays and extract as needed.
Listing 4. Mixed name array
shuffle($male);
shuffle($last);
for ($i = 0; $i
echo $male[$i] . . $last[$i];
}
Based on this basic concept, we can create a text file that saves the first and last names. If you store a name on each line of a text file, you can easily separate the file contents with newlines to build an array of source code.
Listing 5. Creating a text file of names
$male = explode( , file_get_contents(names.female.txt));
$last = explode( , file_get_contents(names.last.txt));
Build or find some good name files (some are included in the code archive) and we'll never have to worry about names again.
Scene generator
Utilizing the same basic principles we used to build the name generator, we can build the scenario generator. This generator is useful not only in role-playing games, but also in situations where a collection of pseudo-random environments is needed (for role-playing, improvisation, writing, etc.). One of my favorite games, Paranoia, includes a "mission blender" in its GM Pack. The Mission Mixer can be used to combine complete missions while rolling the dice quickly. Let's put together our own scene generator.
Consider the following scenario: You wake up and find yourself lost in the jungle. You know you have to get to New York, but you don’t know why. You can hear dogs barking nearby and the distinct sounds of enemy seekers. You're cold, shaking, and unarmed. Each sentence in the scene introduces a specific aspect of the scene:
“You wake up and find yourself lost in the jungle” — This sentence will establish the setting.
“You know you have to get to New York” — This sentence will describe the goal.
“You can hear the dogs barking” — This sentence will introduce the enemy.
“You are cold, shaking, and unarmed” — this sentence will add complexity.
Just like you created the text files for First Name and Last Name, first create separate text files for Settings, Objectives, Enemies, and Complexity. Sample files are included in the code archive. Once you have these files, the code to generate the scene is basically the same as the code to generate the name.
Listing 6. Generate scene
$settings = explode(" ", file_get_contents(scenario.settings.txt));
$objectives = explode(" ", file_get_contents(scenario.objectives.txt));
$antagonists = explode(" ", file_get_contents(scenario.antagonists.txt));
$complicati**** = explode(" ", file_get_contents(scenario.complicati****.txt));
shuffle($settings);
shuffle($objectives);
shuffle($antagonists);
shuffle($complicati****);
echo $settings[0] . . $objectives[0] . . $antagonists[0] .
. $complicati****[0] . " ";
We can add elements to the scene by adding new text files, and we may wish to add multiple levels of complexity. The more content you add to the basic text file, the more the scene changes over time.
Deck builder and shuffler
If you are going to play cards and deal with card-related scripts, we need to integrate a deck builder with the tools in the rig. First, let's build a standard deck of cards. Two arrays need to be constructed - one to hold the group of cards of the same suit, and another to hold the face of the card. This gives you great flexibility if you need to add new decks or card types later.
Listing 7. Building a standard deck of playing cards
$suits = array (
"Spades", "Hearts", "Clubs", "Diamonds"
);
$faces = array (
"Two", "Three", "Four", "Five", "Six", "Seven", "Eight",
"Nine", "Ten", "Jack", "Queen", "King", "Ace"
);
Then build a deck of cards array to save all card values. This can be done simply using a pair of foreach loops.
Listing 8. Constructing a deck of cards array
$deck = array();
foreach ($suits as $suit) {
foreach ($faces as $face) {
$deck[] = array ("face"=>$face, "suit"=>$suit);
}
}
After constructing an array of playing cards, we can easily shuffle the deck and randomly draw a card.
List 9. Shuffle the deck and randomly draw a card
shuffle($deck);
$card = array_shift($deck);
echo $card[face] . of . $card[suit];
Now, we have a shortcut to draw multiple decks of cards or build a multideck shoe.
Winning rate calculator: dealing cards
Because the face and suit of each card are tracked separately when building a deck of cards, the deck can be used programmatically to calculate the odds of getting a specific card. First draw five cards from each hand.
List 10. Draw five cards from each hand
$hands = array(1 => array(), 2=>array());
for ($i = 0; $i
$hands[1][] = implode(" of ", array_shift($deck));
$hands[2][] = implode(" of ", array_shift($deck));
}
You can then look at the deck to see how many cards are left and what the odds are of drawing a specific card. It's easy to see how many cards you have left. Just count the number of elements contained in the $deck array. To get the chance of drawing a specific card, we need a function that goes through the entire deck and estimates the remaining cards to see if they match.
Listing 11. Calculate the probability of drawing a specific card
Function calculate_odds($draw, $deck) {
$remaining = count($deck);
$odds = 0;
foreach ($deck as $card) {
if ( ($draw[face] == $card[face] && $draw[suit] ==
$card[suit] ) ||
($draw[face] == && $draw[suit] == $card[suit] ) ||
($draw[face] == $card[face] && $draw[suit] == ) ) {
$odds++;
}
}
return $odds . in $remaining;
}
Now you can choose the card you want to try to draw. To keep it simple, pass in an array that looks like a card. We can look for a specific card.
List 12. Find a specified card
$draw = array(face => Ace, suit => Spades);
echo implode(" of ", $draw) . : . calculate_odds($draw, $deck);
Or you can search for cards with a specified face or suit.
List 13. Find cards of specified card face or suit
$draw = array(face => , suit => Spad

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

在PHP中,可以利用implode()函数的第一个参数来设置没有分隔符,该函数的第一个参数用于规定数组元素之间放置的内容,默认是空字符串,也可将第一个参数设置为空,语法为“implode(数组)”或者“implode("",数组)”。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。


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mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
