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<?php |
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/** |
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* Copyright (c) 2013-2016 |
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* |
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* @category Library |
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* @package Dwoo\Plugins\Blocks |
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* @author Jordi Boggiano <[email protected]> |
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* @author David Sanchez <[email protected]> |
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* @copyright 2008-2013 Jordi Boggiano |
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* @copyright 2013-2016 David Sanchez |
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* @license http://dwoo.org/LICENSE Modified BSD License |
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* @version 1.3.0 |
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* @date 2016-09-19 |
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* @link http://dwoo.org/ |
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*/ |
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namespace Dwoo\Plugins\Blocks; |
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use Dwoo\Compiler; |
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use Dwoo\IElseable; |
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use Dwoo\Block\Plugin as BlockPlugin; |
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use Dwoo\ICompilable\Block as ICompilableBlock; |
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/** |
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* Similar to the php for block |
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* <pre> |
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* * name : for name to access it's iterator variables through {$.for.name.var} see {@link |
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* http://wiki.dwoo.org/index.php/IteratorVariables} for details |
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* * from : array to iterate from (which equals 0) or a number as a start value |
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* * to : value to stop iterating at (equals count($array) by default if you set an array in from) |
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* * step : defines the incrementation of the pointer at each iteration |
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* </pre> |
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* This software is provided 'as-is', without any express or implied warranty. |
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* In no event will the authors be held liable for any damages arising from the use of this software. |
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*/ |
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class PluginFor extends BlockPlugin implements ICompilableBlock, IElseable |
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{ |
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public static $cnt = 0; |
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/** |
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* @param $name |
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* @param $from |
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* @param null $to |
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* @param int $step |
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* @param int $skip |
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*/ |
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public function init($name, $from, $to = null, $step = 1, $skip = 0) |
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{ |
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} |
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/** |
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* @param Compiler $compiler |
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* @param array $params |
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* @param string $prepend |
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* @param string $append |
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* @param string $type |
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* |
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* @return string |
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*/ |
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public static function preProcessing(Compiler $compiler, array $params, $prepend, $append, $type) |
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{ |
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// get block params and save the current template pointer to use it in the postProcessing method |
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$currentBlock = &$compiler->getCurrentBlock(); |
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$currentBlock['params']['tplPointer'] = $compiler->getPointer(); |
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return ''; |
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} |
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/** |
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* @param Compiler $compiler |
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* @param array $params |
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* @param string $prepend |
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* @param string $append |
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* @param string $content |
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* |
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* @return string |
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*/ |
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public static function postProcessing(Compiler $compiler, array $params, $prepend, $append, $content) |
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{ |
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$params = $compiler->getCompiledParams($params); |
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$tpl = $compiler->getTemplateSource($params['tplPointer']); |
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// assigns params |
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$from = $params['from']; |
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$name = $params['name']; |
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$step = $params['step']; |
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$to = $params['to']; |
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// evaluates which global variables have to be computed |
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$varName = '$dwoo.for.' . trim($name, '"\'') . '.'; |
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$shortVarName = '$.for.' . trim($name, '"\'') . '.'; |
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$usesAny = strpos($tpl, $varName) !== false || strpos($tpl, $shortVarName) !== false; |
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$usesFirst = strpos($tpl, $varName . 'first') !== false || strpos($tpl, $shortVarName . 'first') !== false; |
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$usesLast = strpos($tpl, $varName . 'last') !== false || strpos($tpl, $shortVarName . 'last') !== false; |
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$usesIndex = strpos($tpl, $varName . 'index') !== false || strpos($tpl, $shortVarName . 'index') !== false; |
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$usesIteration = $usesFirst || $usesLast || strpos($tpl, $varName . 'iteration') !== false || strpos($tpl, $shortVarName . 'iteration') !== false; |
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$usesShow = strpos($tpl, $varName . 'show') !== false || strpos($tpl, $shortVarName . 'show') !== false; |
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$usesTotal = $usesLast || strpos($tpl, $varName . 'total') !== false || strpos($tpl, $shortVarName . 'total') !== false; |
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View Code Duplication |
if (strpos($name, '$this->scope[') !== false) { |
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$usesAny = $usesFirst = $usesLast = $usesIndex = $usesIteration = $usesShow = $usesTotal = true; |
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} |
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// gets foreach id |
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$cnt = self::$cnt ++; |
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// builds pre processing output for |
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$out = Compiler::PHP_OPEN . "\n" . '$_for' . $cnt . '_from = ' . $from . ';' . "\n" . '$_for' . $cnt . '_to = ' . $to . ';' . "\n" . '$_for' . $cnt . '_step = abs(' . $step . ');' . "\n" . 'if (is_numeric($_for' . $cnt . '_from) && !is_numeric($_for' . $cnt . '_to)) { $this->triggerError(\'For requires the <em>to</em> parameter when using a numerical <em>from</em>\'); }' . "\n" . '$tmp_shows = $this->isArray($_for' . $cnt . '_from, true) || (is_numeric($_for' . $cnt . '_from) && (abs(($_for' . $cnt . '_from - $_for' . $cnt . '_to)/$_for' . $cnt . '_step) !== 0 || $_for' . $cnt . '_from == $_for' . $cnt . '_to));'; |
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// adds for properties |
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if ($usesAny) { |
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$out .= "\n" . '$this->globals["for"][' . $name . '] = array' . "\n("; |
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if ($usesIndex) { |
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$out .= "\n\t" . '"index" => 0,'; |
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} |
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if ($usesIteration) { |
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$out .= "\n\t" . '"iteration" => 1,'; |
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} |
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if ($usesFirst) { |
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$out .= "\n\t" . '"first" => null,'; |
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} |
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if ($usesLast) { |
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$out .= "\n\t" . '"last" => null,'; |
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} |
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if ($usesShow) { |
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$out .= "\n\t" . '"show" => $tmp_shows,'; |
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} |
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if ($usesTotal) { |
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$out .= "\n\t" . '"total" => $this->isArray($_for' . $cnt . '_from) ? floor($this->count($_for' . $cnt . '_from) / $_for' . $cnt . '_step) : (is_numeric($_for' . $cnt . '_from) ? abs(($_for' . $cnt . '_to + 1 - $_for' . $cnt . '_from)/$_for' . $cnt . '_step) : 0),'; |
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} |
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$out .= "\n);\n" . '$_for' . $cnt . '_glob =& $this->globals["for"][' . $name . '];'; |
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} |
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// checks if for must be looped |
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$out .= "\n" . 'if ($tmp_shows)' . "\n{"; |
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// set from/to to correct values if an array was given |
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$out .= "\n\t" . 'if ($this->isArray($_for' . $cnt . '_from' . (isset($params['hasElse']) ? ', true' : '') . ') == true) { |
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$_for' . $cnt . '_to = is_numeric($_for' . $cnt . '_to) ? $_for' . $cnt . '_to - $_for' . $cnt . '_step : $this->count($_for' . $cnt . '_from) - 1; |
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$_for' . $cnt . '_from = 0; |
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}'; |
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// if input are pure numbers it shouldn't reorder them, if it's variables it gets too messy though so in that case a counter should be used |
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$reverse = false; |
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$condition = '<='; |
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$incrementer = '+'; |
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if (preg_match('{^(["\']?)([0-9]+)\1$}', $from, $mN1) && preg_match('{^(["\']?)([0-9]+)\1$}', $to, $mN2)) { |
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$from = (int)$mN1[2]; |
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$to = (int)$mN2[2]; |
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if ($from > $to) { |
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$reverse = true; |
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$condition = '>='; |
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$incrementer = '-'; |
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} |
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} |
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// reverse from and to if needed |
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if (!$reverse) { |
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$out .= "\n\t" . 'if ($_for' . $cnt . '_from > $_for' . $cnt . '_to) { |
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$tmp = $_for' . $cnt . '_from; |
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$_for' . $cnt . '_from = $_for' . $cnt . '_to; |
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$_for' . $cnt . '_to = $tmp; |
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}'; |
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} |
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$out .= "\n\t" . 'for ($this->scope[' . $name . '] = $_for' . $cnt . '_from; $this->scope[' . $name . '] ' . $condition . ' $_for' . $cnt . '_to; $this->scope[' . $name . '] ' . $incrementer . '= $_for' . $cnt . '_step)' . "\n\t{"; |
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// updates properties |
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if ($usesIndex) { |
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$out .= "\n\t\t" . '$_for' . $cnt . '_glob["index"] = $this->scope[' . $name . '];'; |
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} |
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if ($usesFirst) { |
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$out .= "\n\t\t" . '$_for' . $cnt . '_glob["first"] = (string) ($_for' . $cnt . '_glob["iteration"] === 1);'; |
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} |
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View Code Duplication |
if ($usesLast) { |
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$out .= "\n\t\t" . '$_for' . $cnt . '_glob["last"] = (string) ($_for' . $cnt . '_glob["iteration"] === $_for' . $cnt . '_glob["total"]);'; |
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} |
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$out .= "\n/* -- for start output */\n" . Compiler::PHP_CLOSE; |
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// build post processing output and cache it |
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$postOut = Compiler::PHP_OPEN . '/* -- for end output */'; |
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// update properties |
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if ($usesIteration) { |
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$postOut .= "\n\t\t" . '$_for' . $cnt . '_glob["iteration"]+=1;'; |
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} |
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// end loop |
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$postOut .= "\n\t}\n}\n" . Compiler::PHP_CLOSE; |
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if (isset($params['hasElse'])) { |
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$postOut .= $params['hasElse']; |
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} |
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return $out . $content . $postOut; |
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} |
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} |
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dwoo-project /
dwoo
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.