Ever wonder with many in_array() checks, you can speed it up depending on your scenario. In my case, 99% it’s empty so it’s better with an empty() check<\/p>\n
<?php
\n$vResult = array();
\n$vAry = array();
\n$vLimit = 10000000;<\/p>\n
$vStart = microtime(true);
\nfor ($i=1;$i<$vLimit; $i++) {
\nif (in_array(123,$vAry)) {
\n}
\n} \/\/ rof
\n$vResult[] = “NoEmptyCheck= “.(microtime(true)-$vStart);<\/p>\n
$vStart = microtime(true);
\nfor ($i=1;$i<$vLimit; $i++) {
\nif (!empty($vAry) && in_array(123,$vAry)) {
\n}
\n} \/\/ rof
\n$vResult[] = “WithEmptyCheck= “.(microtime(true)-$vStart);<\/p>\n
echo implode(“\\n”,$vResult).”\\n”;<\/p>\n
\/* Result<\/p>\n
For an often-non-empty array scenario:
\n– NoEmptyCheck= 3.76290512085
\n– WithEmptyCheck= 4.59545087814<\/p>\n
For an often-empty array scenario:
\n– NoEmptyCheck= 3.46415710449
\n– WithEmptyCheck= 1.08467411995<\/p>\n
*\/<\/p>\n
?><\/p>\n","protected":false},"excerpt":{"rendered":"
Ever wonder with many in_array() checks, you can speed it up depending on your scenario. In my case, 99% it’s empty so it’s better with an empty() check <?php $vResult = array(); $vAry = array(); $vLimit = 10000000; $vStart = microtime(true); for ($i=1;$i<$vLimit; $i++) { if (in_array(123,$vAry)) { } } \/\/ rof $vResult[] = “NoEmptyCheck= […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/posts\/392"}],"collection":[{"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=392"}],"version-history":[{"count":2,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/posts\/392\/revisions"}],"predecessor-version":[{"id":394,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/posts\/392\/revisions\/394"}],"wp:attachment":[{"href":"http:\/\/blog.trungson.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=392"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}