PHP code example of cdyun / php-tool

1. Go to this page and download the library: Download cdyun/php-tool library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

cdyun / php-tool example snippets


use Cdyun\PhpTool\Arr;

$data = [
    ['id' => 1, 'name' => '部门1', 'parent_id' => 0],
    ['id' => 2, 'name' => '部门2', 'parent_id' => 1],
    ['id' => 3, 'name' => '部门3', 'parent_id' => 1],
    ['id' => 4, 'name' => '部门4', 'parent_id' => 2],
    ['id' => 5, 'name' => '部门5', 'parent_id' => 100]
];

// 按指定根节点ID，将扁平化数组转换为树形结构，会过滤掉非指定根节点及子节点的数据
$tree = Arr::toTree($data, 5, 'id', 'parent_id', 'children');
// 输出:
// [
//     [
//         'id' => 5,
//         'name' => '部门5',
//         'parent_id' => 100,
//         'children' => []
//     ]
// ]

// 数组转树形结构
$tree = Arr::tree($data, 'id', 'parent_id', 'children');
// 输出:
// [
//     [
//         'id' => 1,
//         'name' => '部门1',
//         'parent_id' => 0,
//         'children' => [
//             [
//                 'id' => 2,
//                 'name' => '部门2',
//                 'parent_id' => 1,
//                 'children' => [
//                     ['id' => 4, 'name' => '部门4', 'parent_id' => 2, 'children' => []]
//                 ]
//             ],
//             [
//                 'id' => 3,
//                 'name' => '部门3',
//                 'parent_id' => 1,
//                 'children' => []
//             ]
//         ]
//     ],
//     [
//         'id' => 5,
//         'name' => '部门5',
//         'parent_id' => 100,
//         'children' => []
//     ]
// ]


$flat = Arr::list($tree, 'children');


$level = Arr::level($data, 'id', 'parent_id', 'level');
// 输出:
// [
//     ['id' => 1, 'name' => '部门1', 'parent_id' => 0, 'level' => 1],
//     ['id' => 2, 'name' => '部门2', 'parent_id' => 1, 'level' => 2],
//     ['id' => 3, 'name' => '部门3', 'parent_id' => 1, 'level' => 2],
//     ['id' => 4, 'name' => '部门4', 'parent_id' => 2, 'level' => 3]
// ]


$path = Arr::path($data, 'id', 'parent_id', 'name', 'path', '/');
// 输出:
// [
//     ['id' => 1, 'name' => '部门1', 'parent_id' => 0, 'path' => '部门1'],
//     ['id' => 2, 'name' => '部门2', 'parent_id' => 1, 'path' => '部门1/部门2'],
//     ['id' => 3, 'name' => '部门3', 'parent_id' => 1, 'path' => '部门1/部门3'],
//     ['id' => 4, 'name' => '部门4', 'parent_id' => 2, 'path' => '部门1/部门2/部门4']
// ]


 $arr = [
     ['id' => 1, 'name' => '部门1', 'parent_id' => 0],
     ['id' => 2, 'name' => '部门2', 'parent_id' => 1],
     ['id' => 3, 'name' => '部门3', 'parent_id' => 1],
     ['id' => 4, 'name' => '部门4', 'parent_id' => 2]
 ];
$path = Arr::getParentIds($arr, 4, 'parent_id');
// 输出:
// ['1','2']


 $arr = [
     ['id' => 1, 'name' => '部门1', 'parent_id' => 0],
     ['id' => 2, 'name' => '部门2', 'parent_id' => 1],
     ['id' => 3, 'name' => '部门3', 'parent_id' => 1],
     ['id' => 4, 'name' => '部门4', 'parent_id' => 2]
 ];
 // 不含自身
$path = Arr::getChildIds($arr, 1, 'parent_id',false);
// 输出:
// ['2','3','4']


 // 含自身
$path = Arr::getChildIds($arr, 1, 'parent_id',true);
// 输出:
// ['1','2','3','4']


use Cdyun\PhpTool\Arr;

$arr1 = [
    'user' => ['name' => '张三', 'age' => 25],
    'settings' => ['theme' => 'dark']
];

$arr2 = [
    'user' => ['age' => 26, 'email' => '[email protected]'],
    'settings' => ['language' => 'zh-CN']
];

$merged = Arr::deepMerge($arr1, $arr2);
// 输出:
// [
//     'user' => ['name' => '张三', 'age' => 26,'email' => '[email protected]'],
//     'settings' => ['theme' => 'dark', 'language' => 'zh-CN']
// ]


$value = Arr::get($arr1, 'user.name'); // '张三'
$value = Arr::get($arr1, ['user', 'age']); // 25
$value = Arr::get($arr1, 'user.email', '[email protected]'); // '[email protected]'


$result = Arr::set($arr1, 'user.age', 26);


$exists = Arr::has($arr1, 'user.name'); // true
$exists = Arr::has($arr1, 'user.email'); // false


$only = Arr::only($arr1, ['user.name', 'user.age']);
// 输出: ['user' => ['name' => '张三', 'age' => 25]]


$except = Arr::except($array1, ['settings']);
// 输出: ['user' => ['name' => '张三', 'age' => 25]]


use Cdyun\PhpTool\Arr;

$flatArray = [
    ['id' => 1, 'name' => '部门1', 'parent_id' => 0],
    ['id' => 2, 'name' => '部门2', 'parent_id' => 1],
    ['id' => 3, 'name' => '部门3', 'parent_id' => 1],
    ['id' => 4, 'name' => '部门4', 'parent_id' => 2]
];

// 多维数组分组
$grouped = Arr::group($flatArray, 'parent_id');
// 输出:
// [
//     0 => [['id' => 1, 'name' => '部门1', 'parent_id' => 0]],
//     1 => [
//         ['id' => 2, 'name' => '部门2', 'parent_id' => 1],
//         ['id' => 3, 'name' => '部门3', 'parent_id' => 1]
//     ],
//     2 => [['id' => 4, 'name' => '部门4', 'parent_id' => 2]]
// ]


// 多维数组统计
$count = Arr::count($flatArray, 'parent_id');
// 输出: [0 => 1, 1 => 2, 2 => 1]


$sum = Arr::sum($flatArray, 'id'); // 10


$avg = Arr::avg($flatArray, 'id'); // 2.5


$min = Arr::max($flatArray, 'id'); // 4


$min = Arr::min($flatArray, 'id'); // 1


use Cdyun\PhpTool\Arr;

// PHP 8.4+使用原生array_first
$first = Arr::first([1, 2, 3, 4, 5]); // 1
$first = Arr::first([]); // null


// PHP 8.4+使用原生array_last
$last = Arr::last([1, 2, 3, 4, 5]); // 5
$last = Arr::last([]); // null


// PHP 8.4+使用原生array_find
$found = Arr::find([1, 2, 3, 4, 5], fn($n) => $n > 2); // 3
$found = Arr::find([1, 2, 3, 4, 5], fn($n) => $n > 10); // null


// PHP 8.4+使用原生array_find_key
$foundKey = Arr::findKey(['a' => 1, 'b' => 2, 'c' => 3], fn($n) => $n > 1); // 'b'
$foundKey = Arr::findKey(['a' => 1, 'b' => 2, 'c' => 3], fn($n) => $n > 10); // null


// PHP 8.4+使用原生array_any
$hasAny = Arr::any([1, 2, 3, 4, 5], fn($n) => $n > 3); // true
$hasAny = Arr::any([1, 2, 3, 4, 5], fn($n) => $n > 10); // false


// PHP 8.4+使用原生array_all
$allMatch = Arr::all([1, 2, 3, 4, 5], fn($n) => $n > 0); // true
$allMatch = Arr::all([1, 2, 3, 4, 5], fn($n) => $n > 2); // false


$mapped = Arr::map([1, 2, 3, 4, 5], fn($n) => $n * 2); // [2, 4, 6, 8, 10]


$filtered = Arr::filter([1, 2, 3, 4, 5], fn($n) => $n > 2); // [3, 4, 5]
$filtered = Arr::filter([1, 2, 0, null, false]); // [1, 2]（过滤空值）


$sum = Arr::reduce([1, 2, 3, 4, 5], fn($carry, $n) => $carry + $n, 0); // 15


$findVal = Arr::find([1, 2, 3, 4, 5], fn($n) => $n > 3); // 4
$findVal = Arr::find(['a' => 10, 'b' => 20, 'c' => 30], fn($n) => $n > 20); // 30


$findKeyVal = Arr::findKey([1, 2, 3, 4, 5], fn($n) => $n > 3); // 3
$findKeyVal = Arr::findKey(['a' => 10, 'b' => 20, 'c' => 30], fn($n) => $n > 20); // 'c'


$hasSome = Arr::some([1, 2, 3, 4, 5], fn($n) => $n > 3); // true


$allMatch = Arr::every([1, 2, 3, 4, 5], fn($n) => $n > 0); // true


$contains = Arr::contains([1, 2, 3, 4, 5], 3); // true
$contains = Arr::contains([1, 2, 3, 4, 5], '3', false); // true（非严格比较）
$contains = Arr::contains([1, 2, 3, 4, 5], '3', true); // false（严格比较）


$containsKey = Arr::containsKey(['a' => 1, 'b' => 2], 'a'); // true


$isEmpty = Arr::isEmpty([]); // true
$isEmpty = Arr::isEmpty([1, 2, 3]); // false


$isAssoc = Arr::isAssoc(['a' => 1, 'b' => 2]); // true
$isAssoc = Arr::isAssoc([1, 2, 3]); // false


$isIndexed = Arr::isIndexed([1, 2, 3]); // true
$isIndexed = Arr::isIndexed(['a' => 1, 'b' => 2]); // false


use Cdyun\PhpTool\Arr;

$users = [
    ['id' => 3, 'name' => '张三', 'age' => 25],
    ['id' => 1, 'name' => '李四', 'age' => 30],
    ['id' => 2, 'name' => '王五', 'age' => 28]
];


// 升序
$sorted = Arr::sort($users, 'age', 'asc');
// 输出: 
//  [
//      ['id' => 3, 'name' => '张三', 'age' => 25],
//      ['id' => 2, 'name' => '王五', 'age' => 28],
//      ['id' => 1, 'name' => '李四', 'age' => 30]
//  ]

// 降序
$sorted = Arr::sort($users, 'age', 'desc');
// 输出:
//  [
//      ['id' => 1, 'name' => '李四', 'age' => 30],
//      ['id' => 2, 'name' => '王五', 'age' => 28],
//      ['id' => 3, 'name' => '张三', 'age' => 25]
//  ]


// 先按age升序，age相同时按id降序
$multiSorted = Arr::multiSort($users, ['age', 'id'], ['asc', 'desc']);


$reversed = Arr::reverse([1, 2, 3, 4, 5]); // [5, 4, 3, 2, 1]
$reversed = Arr::reverse(['a' => 1, 'b' => 2], true); // ['b' => 2, 'a' => 1]（保留键名）


$shuffled = Arr::shuffle([1, 2, 3, 4, 5]); // 随机打乱顺序


$unique = Arr::unique([1, 2, 2, 3, 3, 3, 4, 4, 4, 4]); // [1, 2, 3, 4]
$unique = Arr::unique([1, '1', 2, '2'], true); // [1, '1', 2, '2]（严格比较）
$unique = Arr::unique([1, '1', 2, '2'], false); // [1, 2]（非严格比较）


$users = [
    ['id' => 1, 'name' => '张三'],
    ['id' => 2, 'name' => '李四'],
    ['id' => 1, 'name' => '张三']
];
$unique = Arr::multiUnique($users, 'id');
// 输出:
//  [
//      ['id' => 1, 'name' => '张三'],
//      ['id' => 2, 'name' => '李四']
//  ]


$array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12];
$page1 = Arr::paginate($array, 1, 5); // [1, 2, 3, 4, 5]
$page2 = Arr::paginate($array, 2, 5); // [6, 7, 8, 9, 10]
$page3 = Arr::paginate($array, 3, 5); // [11, 12]


$sliced = Arr::slice([1, 2, 3, 4, 5], 1, 3); // [2, 3, 4]
$sliced = Arr::slice(['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4], 1, 2, true); // ['b' => 2, 'c' => 3]（保留键名）


$chunked = Arr::chunk([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 3);
// 输出: [[1, 2, 3], [4, 5, 6], [7, 8, 9], [10]]


$merged = Arr::merge([1, 2, 3], [4, 5, 6]); // [1, 2, 3, 4, 5, 6]


$merged = Arr::mergeRecursive(['a' => 1], ['b' => 2]); // ['a' => 1, 'b' => 2]


$diff = Arr::diff([1, 2, 3, 4, 5], [2, 4]); // [1, 3, 5]


$diff = Arr::diffKey(['a' => 1, 'b' => 2, 'c' => 3], ['b' => 2]); // ['a' => 1, 'c' => 3]


$intersect = Arr::intersect([1, 2, 3, 4, 5], [2, 4, 6]); // [2, 4]


$intersect = Arr::intersectKey(['a' => 1, 'b' => 2, 'c' => 3], ['b' => 2, 'c' => 4]); // ['b' => 2, 'c' => 3]


$json = Arr::toJson(['name' => '张三', 'age' => 25]); // '{"name":"张三","age":25}'


$array = Arr::fromJson('{"name":"张三","age":25}'); // ['name' => '张三', 'age' => 25]


$flattened = Arr::flatten([1, [2, [3, [4, 5]]]]); // [1, 2, 3, 4, 5]


$keys = Arr::keys(['a' => 1, 'b' => 2, 'c' => 3]); // ['a', 'b', 'c']


$values = Arr::values(['a' => 1, 'b' => 2, 'c' => 3]); // [1, 2, 3]


$flipped = Arr::flip(['a' => 1, 'b' => 2, 'c' => 3]); // [1 => 'a', 2 => 'b', 3 => 'c']


$users = [
    ['id' => 1, 'name' => '张三', 'age' => 25],
    ['id' => 2, 'name' => '李四', 'age' => 30]
];
$names = Arr::column($users, 'name'); // ['张三', '李四']
$indexed = Arr::column($users, 'name', 'id'); // [1 => '张三', 2 => '李四']


$mapped = Arr::mapKeys(['a' => 1, 'b' => 2], fn($key) => strtoupper($key)); // ['A' => 1, 'B' => 2]


$mapped = Arr::mapValues(['a' => 1, 'b' => 2], fn($value) => $value * 2); // ['a' => 2, 'b' => 4]


$combined = Arr::combine(['a', 'b', 'c'], [1, 2, 3]); // ['a' => 1, 'b' => 2, 'c' => 3]


$filled = Arr::fillKeys(['a', 'b', 'c'], 0); // ['a' => 0, 'b' => 0, 'c' => 0]


$filled = Arr::fill(0, 5, 0); // [0, 0, 0, 0, 0]


$random = Arr::random([1, 2, 3, 4, 5]); // 随机返回其中一个元素


$randomMany = Arr::randomMany([1, 2, 3, 4, 5], 3); // 随机返回3个元素


$array = [1, 2, 3, 4, 5];


$first = Arr::shift($array); // 1，$array变为[2, 3, 4, 5]


$last = Arr::pop($array); // 5，$array变为[2, 3, 4]


$count = Arr::unshift($array, 0); // 4，$array变为[0, 2, 3, 4]


$count = Arr::push($array, 5); // 5，$array变为[0, 2, 3, 4, 5]


$removed = Arr::remove([1, 2, 3, 2, 4, 2], 2); // [1, 3, 4]


$removed = Arr::removeKey(['a' => 1, 'b' => 2, 'c' => 3], 'b'); // ['a' => 1, 'c' => 3]


$masked = Str::mask('13800138000', 3, 4, '*'); // '138****8000'
$masked = Str::mask('[email protected]', 2, 4, '*'); // 'us****@example.com'


$phone = Str::maskPhone('13800138000'); // '138****8000'
$phone = Str::maskPhone('13800138000', 3, 4); // '138****8000'


$email = Str::maskEmail('[email protected]'); // 'us***@example.com'
$email = Str::maskEmail('[email protected]', 2, 3); // 'us***@example.com'


$idCard = Str::maskIdCard('110101199001011234'); // '110101********1234'
$idCard = Str::maskIdCard('110101199001011234', 6, 8); // '110101********1234'


$bankCard = Str::maskBankCard('6222021234567890123'); // '622202********0123'
$bankCard = Str::maskBankCard('6222021234567890123', 6, 10); // '622202********0123'


$name = Str::maskName('张三'); // '张*'
$name = Str::maskName('欧阳修'); // '欧阳*'
$name = Str::maskName('张三丰', 1, 1); // '张*丰'


$length = Str::length('你好世界'); // 4（使用mb_strlen）


$truncated = Str::truncate('这是一段很长的文本内容', 10); // '这是一段很长的文...'
$truncated = Str::truncate('这是一段很长的文本内容', 10, '---'); // '这是一段很长的文---'


$limited = Str::limit('这是一段很长的文本内容', 10); // '这是一段很长的文...'
$limited = Str::limit('短文本', 10); // '短文本'（不超过长度不截断）


$wordTruncate = Str::wordTruncate('This is a long text content', 10); // 'This is a...'


$snake = Str::snake('helloWorld'); // 'hello_world'
$snake = Str::snake('HelloWorld'); // 'hello_world'
$snake = Str::snake('HelloWorld', '-'); // 'hello-world'


$snake = Str::toSnake('helloWorld'); // 'hello_world'
$snake = Str::toSnake('HelloWorld'); // 'hello_world'
$snake = Str::toSnake(['AaBbCc'=>1]); // ['aa_bb_cc'=>1]


$camel = Str::camel('hello_world'); // 'helloWorld'
$camel = Str::camel('hello-world'); // 'helloWorld'
$camel = Str::camel('hello_world', '-'); // 'helloWorld'


$camel = Str::toCamel('hello_world', false); // 'helloWorld'
$camel = Str::toCamel('hello_world', true); // 'HelloWorld'
$camel = Str::toCamel(['aa_bb_cc'=>1], false); // 'aaBbCc'
$camel = Str::toCamel(['aa_bb_cc'=>1], true); // 'AaBbCc'


$camel = Str::studly('hello_world'); // 'HelloWorld'
$camel = Str::studly('hello-world'); // 'HelloWorld'
$camel = Str::studly('hello.world'); // 'HelloWorld'
$camel = Str::studly('aa-bb_cc.dd'); // 'AaBbCcDd'


$ucfirst = Str::ucfirst('hello'); // 'Hello'


$lcfirst = Str::lcfirst('Hello'); // 'hello'


$ucwords = Str::ucwords('hello world'); // 'Hello World'


$upper = Str::upper('hello'); // 'HELLO'


$lower = Str::lower('HELLO'); // 'hello'


$swap = Str::swap('Hello'); // 'hELLO'


$title = Str::title('hello world'); // 'Hello World'


$contains = Str::contains('hello world', 'world'); // true
$contains = Str::contains('hello world', 'php'); // false


$startsWith = Str::startsWith('hello world', 'hello'); // true
$startsWith = Str::startsWith('hello world', 'world'); // false


$endsWith = Str::endsWith('hello world', 'world'); // true
$endsWith = Str::endsWith('hello world', 'hello'); // false


$pos = Str::pos('hello world', 'world'); // 6
$pos = Str::pos('hello world', 'php'); // false


$pos = Str::rpos('hello world world', 'world'); // 12
$pos = Str::rpos('hello world', 'php'); // false


composer


├── src/
│   ├── Arr.php       // 数组处理主类
│   ├── Str.php       // 字符串处理主类
│   ├── Time.php      // 时间处理主类
│   ├── Math.php      // 数学计算主类
│   ├── Geo.php       // 地理位置主类
│   ├── Ip.php        // IP地址处理主类
│   ├── Crypto.php    // 加解密主类（命名简洁）
│   ├── Generate.php  // 代码生成工具类
│   ├── Curl.php      // HTTP请求主类
│   ├── Dir.php      // 目录文件处理
│   ├── helpers.php   // 全局辅助函数文件
│   ├──......             // 其他│   
│   
├── composer.json         // Composer配置
├── README.md             // 使用文档

php
$count = Str::count('hello world world', 'world'); // 2

php
$match = Str::match('hello123', '/^[a-z]+\d+$/'); // true
$match = Str::match('hello', '/^[a-z]+\d+$/'); // false

php
$replaced = Str::replace('hello world', 'world', 'php'); // 'hello php'

php
$replaced = Str::replaceArray('hello world', ['hello' => 'hi', 'world' => 'php']); // 'hi php'

php
$replaced = Str::replaceRegex('hello123world', '/\d+/', '456'); // 'hello456world'

php
$replaced = Str::substrReplace('hello world', 'php', 6, 5); // 'hello php'

php
$parts = Str::split('hello,world,php', ','); // ['hello', 'world', 'php']

php
$array = Str::toArray('hello,world,php', ','); // ['hello', 'world', 'php']

php
$string = Str::fromArray(['hello', 'world', 'php'], ','); // 'hello,world,php'

php
$joined = Str::join(['hello', 'world', 'php'], ','); // 'hello,world,php'

php
$concat = Str::concat('hello', ' ', 'world'); // 'hello world'

php
$trimmed = Str::trim('  hello world  '); // 'hello world'

php
$ltrim = Str::ltrim('  hello world  '); // 'hello world  '

php
$rtrim = Str::rtrim('  hello world  '); // '  hello world'

php
$clean = Str::clean('  hello   world  '); // 'helloworld'

php
$padded = Str::padLeft('123', 6, '0'); // '000123'

php
$padded = Str::padRight('123', 6, '0'); // '123000'

php
$padded = Str::padBoth('123', 7, '*'); // '**123**'

php
$repeated = Str::repeat('hello', 3); // 'hellohellohello'

php
$reversed = Str::reverse('hello'); // 'olleh'

php
$random = Str::random(16); // 16位随机字符串

php
$numeric = Str::numeric(6); // 6位随机数字字符串

php
$alpha = Str::alpha(8); // 8位随机字母字符串

php
$base64 = Str::toBase64('hello'); // 'aGVsbG8='

php
$decoded = Str::fromBase64('aGVsbG8='); // 'hello'

php
$urlEncoded = Str::toUrlEncode('hello world'); // 'hello%20world'

php
$urlDecoded = Str::fromUrlEncode('hello%20world'); // 'hello world'

php
$htmlEncoded = Str::toHtmlEntities('<div>hello</div>'); // '&lt;div&gt;hello&lt;/div&gt;'

php
$htmlDecoded = Str::fromHtmlEntities('&lt;div&gt;hello&lt;/div&gt;'); // '<div>hello</div>'

php
$xml = Str::toXml(['name' => '张三', 'age' => 25], 'root'); // '<root><name>张三</name><age>25</age></root>'

php
$decoded = Str::fromXml('<root><name>张三</name><age>25</age></root>'); // ['name' => '张三', 'age' => 25]

php
$binary = Str::toBinary('hello'); // '0110100001100101011011000110110001101111'

php
$decoded = Str::fromBinary('0110100001100101011011000110110001101111'); // 'hello'

php
$hex = Str::toHex('hello'); // '68656c6c6f'

php
$decoded = Str::fromHex('68656c6c6f'); // 'hello'

php
$md5 = Str::md5('hello'); // '5d41402abc4b2a76b9719d911017c592'

php
$sha1 = Str::sha1('hello'); // 'aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d'

php
$sha256 = Str::sha256('hello'); // '2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824'

php
$sha512 = Str::sha512('hello'); // '9b71d224bd62f3785d96d46ad3ea3d73319bfbc2890caadae2dff72519673ca72323c3d99ba5c11d7c7acc6e14b8c5da0c4663475c2e5c3adef46f73bcdec043'

php
$isEmail = Str::isEmail('[email protected]'); // true
$isEmail = Str::isEmail('invalid-email'); // false

php
$isUrl = Str::isUrl('https://example.com'); // true
$isUrl = Str::isUrl('not-a-url'); // false

php
$isIp = Str::isIp('192.168.1.1'); // true
$isIp = Str::isIp('not-an-ip'); // false

php
$isIpv4 = Str::isIpv4('192.168.1.1'); // true
$isIpv4 = Str::isIpv4('2001:0db8:85a3:0000:0000:8a2e:0370:7334'); // false

php
$isIpv6 = Str::isIpv6('2001:0db8:85a3:0000:0000:8a2e:0370:7334'); // true
$isIpv6 = Str::isIpv6('192.168.1.1'); // false

php
$isPhone = Str::isPhone('13800138000'); // true
$isPhone = Str::isPhone('12345678901'); // false

php
$isIdCard = Str::isIdCard('110101199001011234'); // true
$isIdCard = Str::isIdCard('123456789012345678'); // false

php
$isBankCard = Str::isBankCard('6222021234567890123'); // true
$isBankCard = Str::isBankCard('1234567890'); // false

php
$isNumeric = Str::isNumeric('12345'); // true
$isNumeric = Str::isNumeric('abc123'); // false

php
$isAlpha = Str::isAlpha('hello'); // true
$isAlpha = Str::isAlpha('hello123'); // false

php
$isAlnum = Str::isAlnum('hello123'); // true
$isAlnum = Str::isAlnum('hello world'); // false

php
$isHex = Str::isHex('1a2b3c'); // true
$isHex = Str::isHex('1g2h3i'); // false

php
$isBinary = Str::isBinary('01010101'); // true
$isBinary = Str::isBinary('12345678'); // false

php
$isJson = Str::isJson('{"name":"张三"}'); // true
$isJson = Str::isJson('not json'); // false

php
$isXml = Str::isXml('<root>hello</root>'); // true
$isXml = Str::isXml('not xml'); // false

php
$isBase64 = Str::isBase64('aGVsbG8='); // true
$isBase64 = Str::isBase64('not base64'); // false

php
$array = Str::toArray('hello,world,php', ','); // ['hello', 'world', 'php']

php
$string = Str::fromArray(['hello', 'world', 'php'], ','); // 'hello,world,php'

php
$query = Str::toQuery(['name' => '张三', 'age' => 25]); // 'name=%E5%BC%A0%E4%B8%89&age=25'

php
$array = Str::fromQuery('name=%E5%BC%A0%E4%B8%89&age=25'); // ['name' => '张三', 'age' => 25]

php
$indented = Str::indent('hello', 4); // '    hello'

php
$unindented = Str::unindent('    hello'); // 'hello'

php
$first = Str::first('hello'); // 'h'

php
$last = Str::last('hello'); // 'o'

php
$firstN = Str::firstN('hello', 2); // 'he'

php
$lastN = Str::lastN('hello', 2); // 'lo'

php
$removed = Str::removeFirst('hello'); // 'ello'

php
$removed = Str::removeLast('hello'); // 'hell'

php
$removed = Str::removeFirstN('hello', 2); // 'llo'

php
$removed = Str::removeLastN('hello', 2); // 'hel'

php
$count = Str::count('hello world world', 'world'); // 2

php
$wordCount = Str::wordCount('hello world php'); // 3

php
$charCount = Str::charCount('hello'); // 5

php
$byteLength = Str::byteLength('你好'); // 6（UTF-8编码）

php
$escaped = Str::escapeHtml('<div>hello</div>'); // '&lt;div&gt;hello&lt;/div&gt;'

php
$escaped = Str::escapeSql("O'Reilly"); // "O\'Reilly"

php
$escaped = Str::escapeRegex('hello.world'); // 'hello\.world'

php
$compare = Str::compare('hello', 'hello'); // 0（相等）
$compare = Str::compare('hello', 'world'); // -15（不相等）

php
$similarity = Str::similarity('hello', 'hello'); // 1.0（完全相同）
$similarity = Str::similarity('hello', 'world'); // 0.2（相似度）

php
$distance = Str::distance('hello', 'hello'); // 0（相同）
$distance = Str::distance('hello', 'world'); // 4（编辑距离）

php
$timestamp = time();

php
$newTime = Time::add($timestamp, 3600); // 加1小时
$newTime = Time::add($timestamp, 86400); // 加1天
$newTime = Time::add($timestamp, 604800); // 加1周

php
$diff = Time::diff(time(), time() - 3600); // 3600（秒）
$diff = Time::diff(time() - 86400, time()); // 86400（秒）

php
$human = Time::diffForHumans(time() - 60); // '1分钟前'
$human = Time::diffForHumans(time() - 3600); // '1小时前'
$human = Time::diffForHumans(time() - 86400); // '1天前'
$human = Time::diffForHumans(time() - 2592000); // '1个月前'
$human = Time::diffForHumans(time() - 31536000); // '1年前'
$human = Time::diffForHumans(time() + 3600); // '1小时后'
$human = Time::diffForHumans(time() + 86400); // '1天后'
// 指定基准时间的人性化时间差
$human = Time::diffForHumans(time() - 3600, time() - 7200); // '1小时前'