Verzeichnisstruktur phpBB-3.3.16
- Veröffentlicht
- 27.04.2026
So funktioniert es
|
|
Auf das letzte Element klicken. Dies geht jeweils ein Schritt zurück |
Auf das Icon klicken, dies öffnet das Verzeichnis. Nochmal klicken schließt das Verzeichnis. |
|
|
(Beispiel Datei-Icons)
|
Auf das Icon klicken um den Quellcode anzuzeigen |
ForNode.php
001 <?php
002
003 /*
004 * This file is part of Twig.
005 *
006 * (c) Fabien Potencier
007 * (c) Armin Ronacher
008 *
009 * For the full copyright and license information, please view the LICENSE
010 * file that was distributed with this source code.
011 */
012
013 namespace Twig\Node;
014
015 use Twig\Compiler;
016 use Twig\Node\Expression\AbstractExpression;
017 use Twig\Node\Expression\AssignNameExpression;
018
019 /**
020 * Represents a for node.
021 *
022 * @author Fabien Potencier <fabien@symfony.com>
023 */
024 class ForNode extends Node
025 {
026 private $loop;
027
028 public function __construct(AssignNameExpression $keyTarget, AssignNameExpression $valueTarget, AbstractExpression $seq, ?AbstractExpression $ifexpr, Node $body, ?Node $else, int $lineno, string $tag = null)
029 {
030 $body = new Node([$body, $this->loop = new ForLoopNode($lineno, $tag)]);
031
032 if (null !== $ifexpr) {
033 $body = new IfNode(new Node([$ifexpr, $body]), null, $lineno, $tag);
034 }
035
036 $nodes = ['key_target' => $keyTarget, 'value_target' => $valueTarget, 'seq' => $seq, 'body' => $body];
037 if (null !== $else) {
038 $nodes['else'] = $else;
039 }
040
041 parent::__construct($nodes, ['with_loop' => true, 'ifexpr' => null !== $ifexpr], $lineno, $tag);
042 }
043
044 public function compile(Compiler $compiler)
045 {
046 $compiler
047 ->addDebugInfo($this)
048 ->write("\$context['_parent'] = \$context;\n")
049 ->write("\$context['_seq'] = twig_ensure_traversable(")
050 ->subcompile($this->getNode('seq'))
051 ->raw(");\n")
052 ;
053
054 if ($this->hasNode('else')) {
055 $compiler->write("\$context['_iterated'] = false;\n");
056 }
057
058 if ($this->getAttribute('with_loop')) {
059 $compiler
060 ->write("\$context['loop'] = [\n")
061 ->write(" 'parent' => \$context['_parent'],\n")
062 ->write(" 'index0' => 0,\n")
063 ->write(" 'index' => 1,\n")
064 ->write(" 'first' => true,\n")
065 ->write("];\n")
066 ;
067
068 if (!$this->getAttribute('ifexpr')) {
069 $compiler
070 ->write("if (is_array(\$context['_seq']) || (is_object(\$context['_seq']) && \$context['_seq'] instanceof \Countable)) {\n")
071 ->indent()
072 ->write("\$length = count(\$context['_seq']);\n")
073 ->write("\$context['loop']['revindex0'] = \$length - 1;\n")
074 ->write("\$context['loop']['revindex'] = \$length;\n")
075 ->write("\$context['loop']['length'] = \$length;\n")
076 ->write("\$context['loop']['last'] = 1 === \$length;\n")
077 ->outdent()
078 ->write("}\n")
079 ;
080 }
081 }
082
083 $this->loop->setAttribute('else', $this->hasNode('else'));
084 $this->loop->setAttribute('with_loop', $this->getAttribute('with_loop'));
085 $this->loop->setAttribute('ifexpr', $this->getAttribute('ifexpr'));
086
087 $compiler
088 ->write("foreach (\$context['_seq'] as ")
089 ->subcompile($this->getNode('key_target'))
090 ->raw(' => ')
091 ->subcompile($this->getNode('value_target'))
092 ->raw(") {\n")
093 ->indent()
094 ->subcompile($this->getNode('body'))
095 ->outdent()
096 ->write("}\n")
097 ;
098
099 if ($this->hasNode('else')) {
100 $compiler
101 ->write("if (!\$context['_iterated']) {\n")
102 ->indent()
103 ->subcompile($this->getNode('else'))
104 ->outdent()
105 ->write("}\n")
106 ;
107 }
108
109 $compiler->write("\$_parent = \$context['_parent'];\n");
110
111 // remove some "private" loop variables (needed for nested loops)
112 $compiler->write('unset($context[\'_seq\'], $context[\'_iterated\'], $context[\''.$this->getNode('key_target')->getAttribute('name').'\'], $context[\''.$this->getNode('value_target')->getAttribute('name').'\'], $context[\'_parent\'], $context[\'loop\']);'."\n");
113
114 // keep the values set in the inner context for variables defined in the outer context
115 $compiler->write("\$context = array_intersect_key(\$context, \$_parent) + \$_parent;\n");
116 }
117 }
118
119 class_alias('Twig\Node\ForNode', 'Twig_Node_For');
120