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RFC: https://wiki.php.net/rfc/flexible_heredoc_nowdoc_syntaxes * The ending label no longer has to be followed by a semicolon or newline. Any non-label character is fine. * The ending label may be indented. The indentation will be stripped from all lines in the heredoc/nowdoc string. Lexing of heredoc strings performs a scan-ahead to determine the indentation of the ending label, so that the correct amount of indentation can be removed when calculting the semantic values for use by the parser. This makes the implementation quite a bit more complicated than we would like :/
128 lines
888 B
PHP
128 lines
888 B
PHP
--TEST--
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Flexible heredoc/nowdoc syntax
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--FILE--
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<?php
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$test = 'c';
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var_dump(<<<'END'
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END);
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var_dump(<<<END
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END);
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// Insufficient indentation is fine if the line is whitespace-only
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// Using eval() here to avoid issue with trailing whitespace trimming
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var_dump(eval("return <<<END
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\x20
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\x20\x20END;"));
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echo <<<'END'
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a
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b
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c
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d
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e
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END, PHP_EOL;
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echo <<<END
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a
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b
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$test
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d
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e
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END, PHP_EOL;
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echo <<<'END'
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a
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b
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c
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d
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e
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END, PHP_EOL;
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echo <<<END
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a\r\n
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\ta\n
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b\r\n
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$test\n
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d\r\n
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e\n
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END, PHP_EOL;
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echo <<<'END'
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a
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b
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c
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d
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e
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END, PHP_EOL;
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$var = 'Bar';
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var_dump(<<<TEST
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$var
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TEST);
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$var = 'Bar';
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var_dump(<<<TEST
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$var
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TEST);
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?>
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--EXPECT--
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string(0) ""
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string(0) ""
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string(0) ""
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a
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b
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c
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d
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e
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a
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b
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c
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d
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e
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a
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b
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c
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d
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e
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a
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a
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b
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c
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d
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e
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a
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b
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c
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d
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e
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string(3) "Bar"
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string(4) "
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Bar"
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