{"id":23836,"date":"2022-11-28T15:55:46","date_gmt":"2022-11-28T10:25:46","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-benchmark-code-to-see-which-runs-faster\/"},"modified":"2022-11-28T15:55:46","modified_gmt":"2022-11-28T10:25:46","slug":"solved-how-to-benchmark-code-to-see-which-runs-faster","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-benchmark-code-to-see-which-runs-faster\/","title":{"rendered":"[Solved] How to benchmark code to see which runs faster"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

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To benchmark code, you can use microtime()<\/code><\/p>\n

http:\/\/php.net\/manual\/en\/function.microtime.php<\/a><\/p>\n

<?php\n\necho 'modify: ';\n$time = microtime(1);\nfor ($x = 0; $x < 10000; $x++) {\n    $datetime = new DateTime('2013-01-29');\n    $datetime->modify('+1 day');\n}\necho $datetime->format('Y-m-d H:i:s'); \n$end = microtime(1);\n$time = $end - $time;\necho $time . \"\\n\";\n\necho 'interval: ';\n$time = microtime(1);\nfor ($x = 0; $x < 10000; $x++) {\n    $datetime = new DateTime('2013-01-29');\n    $datetime->add(new DateInterval('P1D'));\n}\n$end = microtime(1);\n$time = $end - $time;\necho $time . \"\\n\";\n<\/code><\/pre>\n
This outputs :<\/p>\n
modify: 0.039623975753784 \ninterval: 0.036103963851929\n<\/code><\/pre>\n
As you can see, after performing the calculation 10,000 times on each, DateInterval is the faster code. However, this is what I would call a microoptimisation! There isn’t much difference!<\/p>\n
See it working here https:\/\/3v4l.org\/pCecn<\/a><\/p>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            2<\/span> <\/p><\/div>\n<\/div>\n
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solved How to benchmark code to see which runs faster <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] To benchmark code, you can use microtime() http:\/\/php.net\/manual\/en\/function.microtime.php <?php echo ‘modify: ‘; $time = microtime(1); for ($x = 0; $x < 10000; $x++) { $datetime = new DateTime(‘2013-01-29’); $datetime->modify(‘+1 day’); } echo $datetime->format(‘Y-m-d H:i:s’); $end = microtime(1); $time = $end – $time; echo $time . “\\n”; echo ‘interval: ‘; $time = microtime(1); for ($x … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[5099,783,339],"class_list":["post-23836","post","type-post","status-publish","format-standard","hentry","category-solved","tag-dateinterval","tag-datetime","tag-php"],"yoast_head":"\n[Solved] How to benchmark code to see which runs faster - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-benchmark-code-to-see-which-runs-faster\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to benchmark code to see which runs faster - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] To benchmark code, you can use microtime() http:\/\/php.net\/manual\/en\/function.microtime.php <?php echo 'modify: '; $time = microtime(1); for ($x = 0; $x < 10000; $x++) { $datetime = new DateTime('2013-01-29'); $datetime->modify('+1 day'); } echo $datetime->format('Y-m-d H:i:s'); $end = microtime(1); $time = $end - $time; echo $time . 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