Str

用途

Str字符串助手

核心对象类

实现该组件功能需加载核心类：

  1. EasySwoole\Utility\Str

核心对象方法

contains

检查字符串中是否包含另一字符串

  • mixed $haystack 被检查的字符串
  • mixed $needles 需要包含的字符串
  • mixed $strict 是否区分大小写
  1. static function contains($haystack, $needles, $strict = true)

::: tip 例子 :::

  1. <?php
  2. /**
  3.  * Created by PhpStorm.
  4.  * User: root
  5.  * Date: 19-1-9
  6.  * Time: 上午10:10
  7.  */
  9. require './vendor/autoload.php';
  11. var_dump(\EasySwoole\Utility\Str::contains('hello, easyswoole', 'Swoole', false));
  13. /**
  14.  * 输出结果:
  15.  * bool(true)
  16.  */

startsWith

检查字符串是否以某个字符串开头

  • mixed $haystack 被检查的字符串
  • mixed $needles 需要包含的字符串
  • mixed $strict 是否区分大小写
  1. static function startsWith($haystack, $needles, $strict = true)

:::tip

例子

:::

  1. <?php
  2. /**
  3.  * Created by PhpStorm.
  4.  * User: root
  5.  * Date: 19-1-9
  6.  * Time: 上午10:10
  7.  */
  9. require './vendor/autoload.php';
  11. var_dump(\EasySwoole\Utility\Str::startsWith('hello, easyswoole', 'Hello', false));
  13. /**
  14.  * 输出结果:
  15.  * bool(true)
  16.  */

endsWith

检查字符串是否以某个字符串结尾

  • mixed $haystack 被检查的字符串
  • mixed $needles 需要包含的字符串
  • mixed $strict 是否区分大小写
  1. static function endsWith($haystack, $needles, $strict = true)

:::tip

例子

:::

  1. <?php
  2. /**
  3.  * Created by PhpStorm.
  4.  * User: root
  5.  * Date: 19-1-9
  6.  * Time: 上午10:10
  7.  */
  9. require './vendor/autoload.php';
  11. var_dump(\EasySwoole\Utility\Str::endsWith('hello, easyswoole', 'Swoole', false));
  13. /**
  14.  * 输出结果:
  15.  * bool(true)
  16.  */

snake

驼峰转下划线

  • mixed $value 待处理字符串
  • mixed $delimiter 分隔符
  1. static function snake($value, $delimiter = '_')

:::tip

例子

:::

  1. <?php
  2. /**
  3.  * Created by PhpStorm.
  4.  * User: root
  5.  * Date: 19-1-9
  6.  * Time: 上午10:10
  7.  */
  9. require './vendor/autoload.php';
  11. var_dump(\EasySwoole\Utility\Str::snake('EasySwoole'));
  13. /**
  14.  * 输出结果:
  15.  * string(11) "easy_swoole"
  16.  */

camel

下划线转驼峰 (首字母小写)

  • mixed $value 待处理字符串
  1. static function camel($value)

:::tip

例子

:::

  1. <?php
  2. /**
  3.  * Created by PhpStorm.
  4.  * User: root
  5.  * Date: 19-1-9
  6.  * Time: 上午10:10
  7.  */
  9. require './vendor/autoload.php';
  11. var_dump(\EasySwoole\Utility\Str::camel('easy_swoole'));
  13. /**
  14.  * 输出结果:
  15.  * string(10) "easySwoole"
  16.  */

studly

下划线转驼峰 (首字母大写)

  • mixed $value 待处理字符串
  1. static function studly($value)

:::tip

例子

:::

  1. <?php
  2. /**
  3.  * Created by PhpStorm.
  4.  * User: root
  5.  * Date: 19-1-9
  6.  * Time: 上午10:10
  7.  */
  9. require './vendor/autoload.php';
  11. var_dump(\EasySwoole\Utility\Str::studly('easy_swoole'));
  13. /**
  14.  * 输出结果:
  15.  * string(10) "EasySwoole"
  16.  */