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<?php |
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namespace Sketch\Tpl; |
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/** |
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* Class LoopTag |
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* @package Sketch\Tpl |
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*/ |
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class LoopTag extends Tag |
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{ |
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/** |
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* @var string |
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*/ |
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private $pattern = '/{\s?loop (.*?) as ([\w]+)\s?}(.*?){\s?\/loop\s?}/is'; |
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/** |
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* @var string |
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*/ |
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private $block = ''; |
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/** |
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* @var string |
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*/ |
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private $array = ''; |
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/** |
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* @var string |
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*/ |
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private $callback = ''; |
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/** |
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* @var string |
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*/ |
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private $foreachContent = ''; |
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/** |
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* @var |
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*/ |
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private $match; |
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public function handle(): void |
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{ |
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if (preg_match_all($this->pattern, self::$content, $matches, PREG_SET_ORDER)) { |
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for ($i = 0; $i < count($matches); $i++) { |
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$this->match = $matches[$i]; |
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$this->setForeachBlock(); |
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$this->setForeachArray(); |
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$this->setForeachCallback(); |
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$this->setForeachContent(); |
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$content = "<?php foreach({$this->array} as {$this->callback}): ?>"; |
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$content .= $this->foreachContent; |
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$content .= "<?php endforeach; ?>"; |
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self::$content = str_replace($this->block, $content, self::$content); |
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}; |
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new LoopTag(); |
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} |
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} |
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private function setForeachBlock() : void |
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{ |
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$this->block = $this->match[0]; |
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} |
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private function setForeachArray() : void |
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{ |
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$explode = explode('.', $this->match[1]); |
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$variableArray = '$'.$explode[0]; |
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for ($i = 1; $i < count($explode); $i++) { |
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$variableArray .= "->".$explode[$i]; |
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} |
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$this->array = $variableArray; |
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} |
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private function setForeachCallback() : void |
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{ |
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$this->callback = '$'.$this->match[2]; |
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} |
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private function setForeachContent() : void |
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{ |
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$this->foreachContent = trim($this->match[3]); |
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} |
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} |
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If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: