2 Test vfprintf() function : usage variations - unsigned formats with signed and other types of values
5 if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
9 /* Prototype : int vfprintf ( resource $handle , string $format , array $args )
10 * Description: Write a formatted string to a stream
11 * Source code: ext/standard/formatted_print.c
15 * Test vfprintf() when different unsigned formats and signed values and other types of values
16 * are passed to the '$format' and '$args' arguments of the function
19 echo "*** Testing vfprintf() : unsigned formats and signed & other types of values ***\n";
21 // defining array of unsigned formats
26 %\'#2u %\'2u %\'$2u %\'_2u
29 // Arrays of signed and other type of values for the format defined in $format.
30 // Each sub array contains signed values which correspond to each format in $format
33 // array of float values
34 array(+2.2, +.2, +10.2,
35 +123456.234, +123456.234, +1234.6789,
36 +2e10, +2e12, +22e+12,
37 +12345.780, +12.000000011111, -12.00000111111, -123456.234,
38 +3.33, +4.44, +1.11,-2.22 ),
41 array(" ", ' ', 'hello',
42 '123hello', "123hello", '-123hello', '+123hello',
43 "\12345678hello", "-\12345678hello", 'h123456ello',
44 "1234hello", "hello\0world", "NULL", "true",
48 array( array(0), array(1, 2), array(-1, -1),
49 array("123"), array('123'), array('-123'), array("-123"),
50 array(true), array(TRUE), array(FALSE),
51 array("123hello"), array("1", "2"), array('123hello'), array(12=>"12twelve"),
52 array("3"), array("4"), array("1"), array("2") ),
54 // array of boolean data
55 array( true, TRUE, false,
63 /* creating dumping file */
64 $data_file = dirname(__FILE__) . '/dump.txt';
65 if (!($fp = fopen($data_file, 'wt')))
68 // looping to test vfprintf() with different unsigned formats from the above $format array
69 // and with signed and other types of values from the above $args_array array
71 foreach($args_array as $args) {
72 fprintf($fp, "\n-- Iteration %d --\n",$counter);
73 vfprintf($fp, $formats, $args);
78 print_r(file_get_contents($data_file));
86 *** Testing vfprintf() : unsigned formats and signed & other types of values ***
90 123456 u 1234 2820130816
91 2840207360 1177509888 12345
92 12 4294967284 4294843840 _3