Online PHP editor | perf for NWRUK

@ 2014-01-09T00:14:35Z

<?php

function word_cloud($words, $div_size = 400) {

    $tags = 0;
    $cloud = "<div style=\"width: {$div_size}px\">";
    
    /* This word cloud generation algorithm was taken from the Wikipedia page on "word cloud"
       with some minor modifications to the implementation */
    
    /* Initialize some variables */
    $fmax = 96; /* Maximum font size */
    $fmin = 8; /* Minimum font size */
    $tmin = min($words); /* Frequency lower-bound */
    $tmax = max($words); /* Frequency upper-bound */

    foreach ($words as $word => $frequency) {
    
        if ($frequency > $tmin) {
            $font_size = floor(  ( $fmax * ($frequency - $tmin) ) / ( $tmax - $tmin )  );
            /* Define a color index based on the frequency of the word */
            $r = $g = 0; $b = floor( 255 * ($frequency / $tmax) );
            $color = '#' . sprintf('%02s', dechex($r)) . sprintf('%02s', dechex($g)) . sprintf('%02s', dechex($b));
        }
        else {
            $font_size = 0;
        }
        
        if ($font_size >= $fmin) {
            $cloud .= "<span style=\"font-size: {$font_size}px; color: $color;\">$word</span> ";
            $tags++;
        }
        
    }
    
    $cloud .= "</div>";
    
    return array($cloud, $tags);
    
}







$words = ['una' = 1, 'dos' => 2, '3' => 3];


var_dump(word_cloud($words));

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)
5.4.23	0.014	0.059	12.40
5.4.22	0.015	0.047	12.40
5.4.21	0.016	0.045	12.40
5.4.20	0.010	0.053	12.40
5.4.19	0.010	0.048	12.40
5.4.18	0.016	0.043	12.40
5.4.17	0.010	0.049	12.41
5.4.16	0.016	0.042	12.40
5.4.15	0.012	0.046	12.40
5.4.14	0.010	0.042	12.09
5.4.13	0.012	0.038	12.07
5.4.12	0.019	0.049	12.04
5.4.11	0.009	0.044	12.03
5.4.10	0.023	0.062	12.03
5.4.9	0.015	0.046	12.03
5.4.8	0.014	0.039	12.04
5.4.7	0.024	0.066	12.03
5.4.6	0.015	0.045	12.03
5.4.5	0.009	0.046	12.02
5.4.4	0.019	0.038	12.01
5.4.3	0.014	0.038	12.01
5.4.2	0.018	0.034	12.00
5.4.1	0.012	0.042	12.01
5.4.0	0.011	0.043	11.50
5.3.28	0.013	0.045	12.71
5.3.27	0.027	0.060	12.72
5.3.26	0.015	0.043	12.72
5.3.25	0.012	0.045	12.71
5.3.24	0.016	0.039	12.72
5.3.23	0.011	0.043	12.71
5.3.22	0.010	0.045	12.68
5.3.21	0.016	0.054	12.68
5.3.20	0.013	0.040	12.68
5.3.19	0.012	0.042	12.68
5.3.18	0.012	0.042	12.67
5.3.17	0.013	0.038	12.67
5.3.16	0.013	0.039	12.68
5.3.15	0.013	0.042	12.67
5.3.14	0.018	0.036	12.66
5.3.13	0.012	0.043	12.66
5.3.12	0.014	0.044	12.66
5.3.11	0.012	0.061	12.66
5.3.10	0.034	0.066	12.13
5.3.9	0.011	0.041	12.10
5.3.8	0.013	0.041	12.09
5.3.7	0.011	0.043	12.09
5.3.6	0.013	0.041	12.08
5.3.5	0.014	0.041	12.02
5.3.4	0.014	0.042	12.02
5.3.3	0.013	0.038	11.98
5.3.2	0.015	0.041	11.76
5.3.1	0.014	0.043	11.73
5.3.0	0.016	0.047	11.71

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