1..7
# __construct()
ok 1 - sfI18nPhpExtractor implements the sfI18nExtractorInterface interface
# ->extract()
ok 2 - ->extract() extracts strings from PHP files
ok 3 - ->extract() takes into account the format_number_choice() helper
ok 4 - ->extract() takes into account calls in an action file
ok 5 - ->extract() extracts strings from '' and "" quoted strings
ok 6 - ->extract() does not care if you add some whitespaces
ok 7 - ->extract() extracts strings from HEREDOC quoted strings
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