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Uploads: Remove an unnecessary static var from wp_is_mobile() to allow its direct and indirect use within unit tests. The static `$is_m

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obile` var was only used to avoid a handful of calls to `strpos()`, which are exceptionally fast and result in no measurable increase in
processing time on each call to `wp_is_mobile()`.

See #35976, #20014


git-svn-id: https://develop.svn.wordpress.org/trunk@36813 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
John Blackbourn 2016-03-03 03:24:02 +00:00
parent 4b15b87299
commit 81d90c0e44
1 changed files with 0 additions and 8 deletions
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8
src/wp-includes/vars.php
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@ -120,17 +120,9 @@ $is_iis7 = $is_IIS && intval( substr( $_SERVER['SERVER_SOFTWARE'], strpos( $_SER
/**
* Test if the current browser runs on a mobile device (smart phone, tablet, etc.)
*
* @staticvar bool $is_mobile
*
* @return bool
*/
function wp_is_mobile() {
static $is_mobile = null;
if ( isset( $is_mobile ) ) {
return $is_mobile;
}
if ( empty($_SERVER['HTTP_USER_AGENT']) ) {
$is_mobile = false;
} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)