1 *** Testing array_flip() : different valid values in 'input' array argument ***
6 string(14) "negative_value"
8 string(10) "zero_value"
10 string(11) "octal_value"
14 string(13) "empty_heredoc"
16 string(12) "space_value2"
18 string(11) "char_value1"
20 string(13) "string_value1"
22 string(14) "numeric_value1"
24 string(19) "special_char_value1"
26 string(18) "whitespace1_value1"
28 string(18) "whitespace2_value1"
30 string(16) "null_char_value1"
32 string(11) "char_value2"
34 string(13) "string_value2"
36 string(14) "numeric_value2"
38 string(19) "special_char_value2"
40 string(18) "whitespace1_value2"
43 string(18) "whitespace2_value2"
45 string(16) "null_char_value2"
47 string(12) "binary_value"
49 string(14) "simple_heredoc"
50 ["multiline heredoc with 123 and
51 speci@! ch@r$..checking
53 string(17) "multiline_heredoc"