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Server IP : 79.136.114.73 / Your IP : 3.148.200.145 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /proc/self/root/home/b8009/php-5.6.22/ext/standard/tests/array/ |
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--TEST-- Test uasort() function : usage variations - 'cmp_function' with reference argument --FILE-- <?php /* Prototype : bool uasort(array $array_arg, string $cmp_function) * Description: Sort an array with a user-defined comparison function and maintain index association * Source code: ext/standard/array.c */ /* Testing uasort() functionality with comparison function having arguments as reference */ echo "*** Testing uasort() : 'cmp_function' with reference arguments ***\n"; // comparison function /* Prototype : int cmp(mixed &$value1, mixed &$value2) * Parameters : $value1 and $value2 - values received by reference * Return value : 0 - if both values are same * 1 - if value1 is greater than value2 * -1 - if value1 is less than value2 * Description : compares value1 and value2 */ function cmp(&$value1, &$value2) { if($value1 == $value2) { return 0; } else if($value1 > $value2) { return 1; } else return -1; } // Int array with default keys $int_values = array(1, 8, 9, 3, 2, 6, 7); echo "-- Passing integer values to 'cmp_function' --\n"; var_dump( uasort($int_values, 'cmp') ); var_dump($int_values); // String array with default keys $string_values = array("Mango", "Apple", "Orange", "Banana"); echo "-- Passing string values to 'cmp_function' --\n"; var_dump( uasort($string_values, 'cmp') ); var_dump($string_values); echo "Done" ?> --EXPECTF-- *** Testing uasort() : 'cmp_function' with reference arguments *** -- Passing integer values to 'cmp_function' -- bool(true) array(7) { [0]=> int(1) [4]=> int(2) [3]=> int(3) [5]=> int(6) [6]=> int(7) [1]=> int(8) [2]=> int(9) } -- Passing string values to 'cmp_function' -- bool(true) array(4) { [1]=> string(5) "Apple" [3]=> string(6) "Banana" [0]=> string(5) "Mango" [2]=> string(6) "Orange" } Done