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--TEST-- Test sprintf() function : usage variations - hexa formats with float values --SKIPIF-- <?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?> --FILE-- <?php /* Prototype : string sprintf(string $format [, mixed $arg1 [, mixed ...]]) * Description: Return a formatted string * Source code: ext/standard/formatted_print.c */ echo "*** Testing sprintf() : hexa formats with float values ***\n"; // array of float values $float_values = array( 2147483647, 0x800000001, // float value, beyond max positive int 020000000001, // float value, beyond max positive int 0.0, -0.1, 1.0, 1e5, -1e6, 1E8, -1E9, 10.0000000000000000005, 10.5e+5 ); // array of hexa formats $hexa_formats = array( "%x", "%xx", "%lx", "%Lx", " %x", "%x ", "\t%x", "\n%x", "%4x", "%30x", "%[0-9A-Fa-f]", "%*x" ); $count = 1; foreach($float_values as $float_value) { echo "\n-- Iteration $count --\n"; foreach($hexa_formats as $format) { // with two arguments var_dump( sprintf($format, $float_value) ); } $count++; }; echo "Done"; ?> --EXPECTF-- *** Testing sprintf() : hexa formats with float values *** -- Iteration 1 -- string(8) "7fffffff" string(9) "7fffffffx" string(8) "7fffffff" string(1) "x" string(9) " 7fffffff" string(9) "7fffffff " string(9) " 7fffffff" string(9) " 7fffffff" string(8) "7fffffff" string(30) " 7fffffff" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 2 -- string(9) "800000001" string(10) "800000001x" string(9) "800000001" string(1) "x" string(10) " 800000001" string(10) "800000001 " string(10) " 800000001" string(10) " 800000001" string(9) "800000001" string(30) " 800000001" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 3 -- string(8) "80000001" string(9) "80000001x" string(8) "80000001" string(1) "x" string(9) " 80000001" string(9) "80000001 " string(9) " 80000001" string(9) " 80000001" string(8) "80000001" string(30) " 80000001" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 4 -- string(1) "0" string(2) "0x" string(1) "0" string(1) "x" string(2) " 0" string(2) "0 " string(2) " 0" string(2) " 0" string(4) " 0" string(30) " 0" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 5 -- string(1) "0" string(2) "0x" string(1) "0" string(1) "x" string(2) " 0" string(2) "0 " string(2) " 0" string(2) " 0" string(4) " 0" string(30) " 0" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 6 -- string(1) "1" string(2) "1x" string(1) "1" string(1) "x" string(2) " 1" string(2) "1 " string(2) " 1" string(2) " 1" string(4) " 1" string(30) " 1" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 7 -- string(5) "186a0" string(6) "186a0x" string(5) "186a0" string(1) "x" string(6) " 186a0" string(6) "186a0 " string(6) " 186a0" string(6) " 186a0" string(5) "186a0" string(30) " 186a0" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 8 -- string(16) "fffffffffff0bdc0" string(17) "fffffffffff0bdc0x" string(16) "fffffffffff0bdc0" string(1) "x" string(17) " fffffffffff0bdc0" string(17) "fffffffffff0bdc0 " string(17) " fffffffffff0bdc0" string(17) " fffffffffff0bdc0" string(16) "fffffffffff0bdc0" string(30) " fffffffffff0bdc0" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 9 -- string(7) "5f5e100" string(8) "5f5e100x" string(7) "5f5e100" string(1) "x" string(8) " 5f5e100" string(8) "5f5e100 " string(8) " 5f5e100" string(8) " 5f5e100" string(7) "5f5e100" string(30) " 5f5e100" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 10 -- string(16) "ffffffffc4653600" string(17) "ffffffffc4653600x" string(16) "ffffffffc4653600" string(1) "x" string(17) " ffffffffc4653600" string(17) "ffffffffc4653600 " string(17) " ffffffffc4653600" string(17) " ffffffffc4653600" string(16) "ffffffffc4653600" string(30) " ffffffffc4653600" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 11 -- string(1) "a" string(2) "ax" string(1) "a" string(1) "x" string(2) " a" string(2) "a " string(2) " a" string(2) " a" string(4) " a" string(30) " a" string(10) "0-9A-Fa-f]" string(1) "x" -- Iteration 12 -- string(6) "100590" string(7) "100590x" string(6) "100590" string(1) "x" string(7) " 100590" string(7) "100590 " string(7) " 100590" string(7) " 100590" string(6) "100590" string(30) " 100590" string(10) "0-9A-Fa-f]" string(1) "x" Done