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<?php |
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/** |
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* Class ArraysOperator |
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* |
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* @link https://www.icy2003.com/ |
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* @author icy2003 <[email protected]> |
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* @copyright Copyright (c) 2020, icy2003 |
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*/ |
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namespace icy2003\php\ihelpers; |
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use icy2003\php\I; |
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/** |
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* 数组操作类 |
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* |
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* 常见数组格式的拼装和处理 |
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*/ |
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class ArraysOperator |
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{ |
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/** |
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* 多个数组 |
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* |
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* @var array |
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*/ |
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protected $_array = []; |
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/** |
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* 筛选出来的多个数组 |
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* |
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* @var array |
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*/ |
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protected $_rows = []; |
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/** |
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* 初始化 |
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* |
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* @param array $array 可传入多个数组 |
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*/ |
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public function __construct($array) |
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{ |
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$this->_array = func_get_args(); |
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} |
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/** |
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* 遍历数组，回调值为 true 时统计次数，到达指定次数时退出遍历 |
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* |
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* @param callback|true $callback 回调函数，true 时遍历整个数组 |
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* @param integer $times |
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* |
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* @return static |
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*/ |
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public function foreachTimes($callback, $times) |
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{ |
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$array = array_shift($this->_array); |
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$rows = []; |
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$counter = 0; |
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foreach ($array as $key => $value) { |
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$result = I::call($callback, [$value, $key]); |
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if (true === $result) { |
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$counter++; |
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$rows[$key] = $value; |
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} |
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if ($counter === $times) { |
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break; |
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} |
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} |
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$this->_rows[] = $rows; |
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return $this; |
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} |
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/** |
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* 回调值为 true 时停止遍历 |
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* |
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* @param callback|true $callback 回调函数，true 时遍历整个数组 |
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* |
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* @return static |
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*/ |
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public function foreachOnce($callback) |
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{ |
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return $this->foreachTimes($callback, 1); |
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} |
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/** |
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* 遍历数组，回调值为 true 并且再次遇到非 ture 值时统计次数，到达指定次数时退出遍历 |
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* |
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* @param callback|treu $callback 回调函数，true 时遍历整个数组 |
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* @param integer $times |
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* |
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* @return static |
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*/ |
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public function foreachTimesUntil($callback, $times) |
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{ |
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$array = array_shift($this->_array); |
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$rows = []; |
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$counter = 0; |
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$active = false; |
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foreach ($array as $key => $value) { |
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$result = I::call($callback, [$value, $key]); |
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if (true === $result) { |
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if (false === $active) { |
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$counter++; |
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$active = true; |
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} |
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$rows[$key] = $value; |
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} else { |
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$active = false; |
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if ($counter === $times) { |
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break; |
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} |
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} |
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} |
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$this->_rows[] = $rows; |
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return $this; |
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} |
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/** |
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* 遍历数组，回调值为 true 并且再次遇到非 ture 值时退出遍历 |
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* |
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* @param callback|true $callback 回调函数，true 时遍历整个数组 |
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* |
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* @return static |
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*/ |
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public function foreachOnceUntil($callback) |
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{ |
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return $this->foreachTimesUntil($callback, 1); |
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} |
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/** |
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* 返回被筛选出来的数组 |
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* |
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* - 保留原键 |
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* |
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137
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* @return array |
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138
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*/ |
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public function getRows() |
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{ |
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return $this->_rows; |
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} |
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/** |
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* 清空被筛选的数组 |
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* |
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* @return void |
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*/ |
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public function clear() |
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{ |
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$this->_rows = []; |
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} |
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153
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} |
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icy2003 /
php
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