Online PHP editor | perf for Mk4V0

@ 2015-10-30T10:22:38Z

<?php

function fetch_fb_fans($fanpage_name, $no_of_retries = 10, $pause = 500000 /* 500ms */){
    $ret = array();
    // get page info from graph
    $fanpage_data = json_decode(file_get_contents('http://facebook.com/' . $fanpage_name), true);
    if(empty($fanpage_data['id'])){
        // invalid fanpage name
        return $ret;
    }
    $matches = array();
    $url = 'http://www.facebook.com/plugins/fan.php?connections=100&id=' . $fanpage_data['id'];
    $context = stream_context_create(array('http' => array('header' => 'User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:22.0) Gecko/20100101 Firefox/22.0')));
    for($a = 0; $a < $no_of_retries; $a++){
        $like_html = file_get_contents($url, false, $context);
        preg_match_all('{href="https?://www\.facebook\.com/([a-zA-Z0-9._-]+)" data-jsid="anchor" target="_blank"}', $like_html, $matches);
        if(empty($matches[1])){
            // failed to fetch any fans - convert returning array, cause it might be not empty
            return array_keys($ret);
        }else{
            // merge profiles as array keys so they will stay unique
            $ret = array_merge($ret, array_flip($matches[1]));
        }
        // don't get banned as flooder
        usleep($pause);
    }
    return array_keys($ret);
}

print_r(fetch_fb_fans('ivcrn, 2, 400000));
// prints 73 unique fan names as array

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.6.15	0.000	0.040	18.19
5.6.14	0.017	0.073	18.27
5.6.13	0.003	0.040	18.16
5.6.12	0.010	0.083	21.04
5.6.11	0.010	0.083	21.02
5.6.10	0.017	0.060	21.11
5.6.9	0.000	0.047	21.02
5.6.8	0.010	0.073	20.38
5.5.30	0.010	0.080	18.06
5.5.29	0.007	0.087	17.98
5.5.28	0.020	0.083	20.95
5.5.27	0.013	0.050	20.96
5.5.26	0.023	0.060	20.68
5.5.25	0.003	0.080	20.62
5.5.24	0.017	0.033	20.16
5.4.45	0.063	0.053	19.31
5.4.44	0.047	0.063	19.36
5.4.43	0.050	0.057	19.19
5.4.42	0.050	0.053	19.52
5.4.41	0.053	0.053	19.39
5.4.40	0.050	0.057	18.82
5.4.39	0.053	0.063	19.04
5.4.38	0.057	0.050	19.21
5.4.37	0.073	0.047	19.21
5.4.36	0.060	0.050	19.19
5.4.35	0.047	0.057	19.23
5.4.34	0.053	0.060	19.03
5.4.32	0.050	0.053	19.03
5.4.31	0.067	0.047	18.86
5.4.30	0.047	0.057	19.22
5.4.29	0.060	0.060	18.88
5.4.28	0.040	0.063	19.30
5.4.27	0.047	0.063	19.03
5.4.26	0.073	0.073	19.18
5.4.25	0.057	0.047	19.02
5.4.24	0.063	0.060	19.30
5.4.23	0.063	0.053	18.86
5.4.22	0.060	0.057	18.80
5.4.21	0.090	0.063	19.02
5.4.20	0.040	0.060	19.08
5.4.19	0.057	0.057	19.22
5.4.18	0.047	0.057	19.01
5.4.17	0.060	0.040	18.97
5.4.16	0.050	0.053	19.03
5.4.15	0.067	0.053	18.85
5.4.14	0.073	0.047	16.30
5.4.13	0.050	0.050	16.41
5.4.12	0.060	0.057	16.32
5.4.11	0.047	0.053	16.55
5.4.10	0.057	0.047	16.56
5.4.9	0.053	0.050	16.55
5.4.8	0.057	0.043	16.55
5.4.7	0.063	0.040	16.53
5.4.6	0.060	0.057	16.46
5.4.5	0.073	0.053	16.52
5.4.4	0.050	0.050	16.32
5.4.3	0.057	0.053	16.42
5.4.2	0.063	0.053	16.53
5.4.1	0.047	0.057	16.52
5.4.0	0.067	0.050	15.86

preferences:dark modelive preview