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<?php /** * Object hashing tests. */ $sos = new SplObjectStorage(); $usage = "php %s INTEGER \t - Run the SPLObjectStorage vs. Array test with INTEGER size.\n"; if (count($argv) < 2) { printf($usage, $argv[0]); exit(1); } $docs = array(); $iterations = 100000; //100000; echo "Count of DOMDocuments: {$iterations}" . PHP_EOL. PHP_EOL; for ($i = 0; $i < $iterations; ++$i) { $doc = new DOMDocument(); //$doc = new stdClass(); $docs[] = $doc; } $start = $finis = 0; $mem_empty = memory_get_usage(); // Load the SplObjectStorage $start = microtime(TRUE); foreach ($docs as $d) { $sos->attach($d); } $finis = microtime(TRUE); $time_to_fill = $finis - $start; // Check membership on the object storage $start = microtime(true); foreach ($docs as $d) { $sos->contains($d); } $finis = microtime(true); $time_to_check = $finis - $start; $mem_spl = memory_get_usage(); $mem_used = $mem_spl - $mem_empty; printf("SplObjectStorage:\nTime to fill: %0.12f. [s]\nTime to check: %0.12f. [s]\nMemory: %d [MB]\n\n", $time_to_fill, $time_to_check, $mem_used/1024/1024); unset($sos); $mem_empty = memory_get_usage(); // Test arrays: $start = microtime(TRUE); $arr = new SplFixedArray($iterations); // Load the array $_i = 0; foreach ($docs as $d) { $arr[$_i] = $d; $_i++; } $finis = microtime(TRUE); $time_to_fill = $finis - $start; // Check membership on the array $start = microtime(FALSE); $_i = 0; foreach ($docs as $d) { isset($arr[$_i]); $_i++; } $finis = microtime(FALSE); $time_to_check = $finis - $start; $mem_arr = memory_get_usage(); $mem_used = $mem_arr - $mem_empty; printf("SplFixedArray:\nTime to fill: %0.12f. [s]\nTime to check: %0.12f. [s]\nMemory: %d [MB]\n\n", $time_to_fill, $time_to_check, $mem_used/1024/1024); $mem_empty = memory_get_usage(); // Test arrays: $start = microtime(TRUE); $arr = array(); $_i =0; // Load the array foreach ($docs as $d) { $arr[$_i] = $d; $_i++; } $finis = microtime(TRUE); $time_to_fill = $finis - $start; // Check membership on the array $start = microtime(FALSE); $_i =0; foreach ($docs as $d) { isset($arr[$_i]); $_i++; } $finis = microtime(FALSE); $time_to_check = $finis - $start; $mem_arr = memory_get_usage(); $mem_used = $mem_arr - $mem_empty; printf("Arrays:\nTime to fill: %0.12f. [s]\nTime to check: %0.12f. [s]\nMemory: %d [MB]\n\n", $time_to_fill, $time_to_check, $mem_used/1024/1024); ?>