Server IP : 85.214.239.14 / Your IP : 3.144.6.9 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /var/www/wordpress/phpMyAdmin/vendor/twig/twig/src/TokenParser/ |
Upload File : |
<?php /* * This file is part of Twig. * * (c) Fabien Potencier * (c) Armin Ronacher * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\TokenParser; use Twig\Error\SyntaxError; use Twig\Node\Expression\AssignNameExpression; use Twig\Node\Expression\ConstantExpression; use Twig\Node\Expression\GetAttrExpression; use Twig\Node\Expression\NameExpression; use Twig\Node\ForNode; use Twig\Node\Node; use Twig\Token; use Twig\TokenStream; /** * Loops over each item of a sequence. * * <ul> * {% for user in users %} * <li>{{ user.username|e }}</li> * {% endfor %} * </ul> */ final class ForTokenParser extends AbstractTokenParser { public function parse(Token $token) { $lineno = $token->getLine(); $stream = $this->parser->getStream(); $targets = $this->parser->getExpressionParser()->parseAssignmentExpression(); $stream->expect(/* Token::OPERATOR_TYPE */ 8, 'in'); $seq = $this->parser->getExpressionParser()->parseExpression(); $ifexpr = null; if ($stream->nextIf(/* Token::NAME_TYPE */ 5, 'if')) { @trigger_error(sprintf('Using an "if" condition on "for" tag in "%s" at line %d is deprecated since Twig 2.10.0, use a "filter" filter or an "if" condition inside the "for" body instead (if your condition depends on a variable updated inside the loop).', $stream->getSourceContext()->getName(), $lineno), E_USER_DEPRECATED); $ifexpr = $this->parser->getExpressionParser()->parseExpression(); } $stream->expect(/* Token::BLOCK_END_TYPE */ 3); $body = $this->parser->subparse([$this, 'decideForFork']); if ('else' == $stream->next()->getValue()) { $stream->expect(/* Token::BLOCK_END_TYPE */ 3); $else = $this->parser->subparse([$this, 'decideForEnd'], true); } else { $else = null; } $stream->expect(/* Token::BLOCK_END_TYPE */ 3); if (\count($targets) > 1) { $keyTarget = $targets->getNode(0); $keyTarget = new AssignNameExpression($keyTarget->getAttribute('name'), $keyTarget->getTemplateLine()); $valueTarget = $targets->getNode(1); $valueTarget = new AssignNameExpression($valueTarget->getAttribute('name'), $valueTarget->getTemplateLine()); } else { $keyTarget = new AssignNameExpression('_key', $lineno); $valueTarget = $targets->getNode(0); $valueTarget = new AssignNameExpression($valueTarget->getAttribute('name'), $valueTarget->getTemplateLine()); } if ($ifexpr) { $this->checkLoopUsageCondition($stream, $ifexpr); $this->checkLoopUsageBody($stream, $body); } return new ForNode($keyTarget, $valueTarget, $seq, $ifexpr, $body, $else, $lineno, $this->getTag()); } public function decideForFork(Token $token) { return $token->test(['else', 'endfor']); } public function decideForEnd(Token $token) { return $token->test('endfor'); } // the loop variable cannot be used in the condition private function checkLoopUsageCondition(TokenStream $stream, Node $node) { if ($node instanceof GetAttrExpression && $node->getNode('node') instanceof NameExpression && 'loop' == $node->getNode('node')->getAttribute('name')) { throw new SyntaxError('The "loop" variable cannot be used in a looping condition.', $node->getTemplateLine(), $stream->getSourceContext()); } foreach ($node as $n) { if (!$n) { continue; } $this->checkLoopUsageCondition($stream, $n); } } // check usage of non-defined loop-items // it does not catch all problems (for instance when a for is included into another or when the variable is used in an include) private function checkLoopUsageBody(TokenStream $stream, Node $node) { if ($node instanceof GetAttrExpression && $node->getNode('node') instanceof NameExpression && 'loop' == $node->getNode('node')->getAttribute('name')) { $attribute = $node->getNode('attribute'); if ($attribute instanceof ConstantExpression && \in_array($attribute->getAttribute('value'), ['length', 'revindex0', 'revindex', 'last'])) { throw new SyntaxError(sprintf('The "loop.%s" variable is not defined when looping with a condition.', $attribute->getAttribute('value')), $node->getTemplateLine(), $stream->getSourceContext()); } } // should check for parent.loop.XXX usage if ($node instanceof ForNode) { return; } foreach ($node as $n) { if (!$n) { continue; } $this->checkLoopUsageBody($stream, $n); } } public function getTag() { return 'for'; } } class_alias('Twig\TokenParser\ForTokenParser', 'Twig_TokenParser_For');