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@ 2013-09-17T02:49:40Z

<?php

function test($html)
{
        $matched = preg_match('/<meta[^>]*name=[^>]*viewport[^>]*>/', $html, $matches);

        if (!$matched) {
            return false;
        }

        if (preg_match('/(user-scalable=(0|no)|scale)/', $matches[0])) {
            // 95% of the time this indicates true mobile compatibility (cf SYS-1289)
            return true;
        }

        if (preg_match('/width=(\d{2}|[7-9])\d{2}/', $matches[0])) {
            // Specifying a width of other 700px, doesn't sound very mobile compatible (cf SYS-1289)
            return false;
        }

        // At this point some websites are mobile compatible, others aren't, so we'll just go with the most likely
        return true;
}

var_dump(test('<meta content="width=1024" name="viewport"/>'));

Output for git.master, git.master_jit, rfc.property-hooks: bool(false)

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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