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Server IP : 79.136.114.73 / Your IP : 18.219.32.237 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 usort() function : usage variations - Anonymous comparison function --FILE-- <?php /* Prototype : bool usort(array $array_arg, string $cmp_function) * Description: Sort an array by values using a user-defined comparison function * Source code: ext/standard/array.c */ /* * Pass an anonymous comparison function as $cmp_function argument to test behaviour() */ echo "*** Testing usort() : usage variation ***\n"; $cmp_function = 'if($value1 == $value2) {return 0;} else if($value1 > $value2) {return 1;} else{return -1;}'; $array_arg = array(0 => 100, 1 => 3, 2 => -70, 3 => 24, 4 => 90); echo "\n-- Anonymous 'cmp_function' with parameters passed by value --\n"; var_dump( usort($array_arg, create_function('$value1, $value2',$cmp_function) ) ); var_dump($array_arg); $array_arg = array("b" => "Banana", "m" => "Mango", "a" => "Apple", "p" => "Pineapple"); echo "\n-- Anonymous 'cmp_function' with parameters passed by reference --\n"; var_dump( usort($array_arg, create_function('&$value1, &$value2', $cmp_function) ) ); var_dump($array_arg); ?> ===DONE=== --EXPECTF-- *** Testing usort() : usage variation *** -- Anonymous 'cmp_function' with parameters passed by value -- bool(true) array(5) { [0]=> int(-70) [1]=> int(3) [2]=> int(24) [3]=> int(90) [4]=> int(100) } -- Anonymous 'cmp_function' with parameters passed by reference -- bool(true) array(4) { [0]=> string(5) "Apple" [1]=> string(6) "Banana" [2]=> string(5) "Mango" [3]=> string(9) "Pineapple" } ===DONE===