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71 lines
2.0 KiB
PHP
71 lines
2.0 KiB
PHP
--TEST--
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Test vfprintf() function : usage variations - scientific formats with scientific values
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--FILE--
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<?php
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/* Prototype : int vfprintf ( resource $handle , string $format , array $args )
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* Description: Write a formatted string to a stream
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* Source code: ext/standard/formatted_print.c
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*/
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/*
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* Test vfprintf() when different scientific formats and scientific values
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* are passed to the '$format' and '$args' arguments of the function
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*/
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echo "*** Testing vfprintf() : scientific formats and scientific values ***\n";
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// defining array of scientific formats
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$formats = array(
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'%e %+e %-e',
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'%le %Le %4e %-4e',
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'%10.4e %-10.4e %.4e',
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'%\'#20e %\'20e %\'$20e %\'_20e',
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'%3$e %4$e %1$e %2$e'
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);
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// Arrays of scientific values for the format defined in $format.
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// Each sub array contains scientific values which correspond to each format string in $format
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$args_array = array(
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array(0, 1e0, "10e2" ),
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array(2.2e2, 10e10, 1000e-2, 1000e7),
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array(-22e12, 10e20, 1.2e2),
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array(1e1, +1e2, -1e3, "1e2_"),
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array(3e3, 4e3, 1e3, 2e3)
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);
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/* creating dumping file */
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$data_file = dirname(__FILE__) . '/dump.txt';
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if (!($fp = fopen($data_file, 'wt')))
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return;
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// looping to test vfprintf() with different scientific formats from the above $format array
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// and with signed and other types of values from the above $args_array array
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$counter = 1;
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foreach($formats as $format) {
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fprintf($fp, "\n-- Iteration %d --\n",$counter);
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vfprintf($fp, $format, $args_array[$counter-1]);
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$counter++;
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}
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fclose($fp);
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print_r(file_get_contents($data_file));
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echo "\n";
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unlink($data_file);
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?>
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===DONE===
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--EXPECT--
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*** Testing vfprintf() : scientific formats and scientific values ***
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-- Iteration 1 --
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0.000000e+0 +1.000000e+0 1.000000e+3
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-- Iteration 2 --
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2.200000e+2 e 1.000000e+1 1.000000e+10
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-- Iteration 3 --
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-2.2000e+13 1.0000e+21 1.2000e+2
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-- Iteration 4 --
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#########1.000000e+1 1.000000e+2 $$$$$$$$-1.000000e+3 _________1.000000e+2
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-- Iteration 5 --
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1.000000e+3 2.000000e+3 3.000000e+3 4.000000e+3
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===DONE===
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