Online PHP editor | perf for 4USbm

@ 2014-10-31T10:31:06Z

<?php

function stripNonValidCharaters ($message) {

		$message =	mb_convert_encoding($message, 'UTF-16', 'UTF-8');
        $count = 0;

        //mostly taken from https://dynmark.uservoice.com/knowledgebase/articles/83496-gsm-alphabet-character-set
        $search = [
            '`', '‘', '’',    //single quotes
            '“', '”',        //double quotes
            '~', '¬', '|'   //misc
        ];
        $replace = [
            '\'', '\'', '\'',   //single quotes
            '"', '"',           //double quotes
            '-', '-', 'I'       //misc
        ];

        $message = str_replace($search, $replace, $message, $count);

        $validGSMKeycodes = [
            0x0040, 0x0394, 0x0020, 0x0030, 0x00a1, 0x0050, 0x00bf, 0x0070,
            0x00A3, 0x005f, 0x0021, 0x0031, 0x0041, 0x0051, 0x0061, 0x0071,
            0x0024, 0x03a6, 0x0022, 0x0032, 0x0042, 0x0052, 0x0062, 0x0072,
            0x00a5, 0x0393, 0x0023, 0x0033, 0x0043, 0x0053, 0x0063, 0x0073,
            0x00e8, 0x039b, 0x00a4, 0x0034, 0x0035, 0x0044, 0x0054, 0x0064, 0x0074,
            0x00e9, 0x03a9, 0x0025, 0x0045, 0x0045, 0x0055, 0x0065, 0x0075,
            0x00f9, 0x03a0, 0x0026, 0x0036, 0x0046, 0x0056, 0x0066, 0x0076,
            0x00ec, 0x03a8, 0x0027, 0x0037, 0x0047, 0x0057, 0x0067, 0x0077,
            0x00f2, 0x03a3, 0x0028, 0x0038, 0x0048, 0x0058, 0x0068, 0x0078,
            0x00c7, 0x0398, 0x0029, 0x0039, 0x0049, 0x0059, 0x0069, 0x0079,
            0x000a, 0x039e, 0x002a, 0x003a, 0x004a, 0x005a, 0x006a, 0x007a,
            0x00d8, 0x001b, 0x002b, 0x003b, 0x004b, 0x00c4, 0x006b, 0x00e4,
            0x00f8, 0x00c6, 0x002c, 0x003c, 0x004c, 0x00d6, 0x006c, 0x00f6,
            0x000d, 0x00e6, 0x002d, 0x003d, 0x004d, 0x00d1, 0x006d, 0x00f1,
            0x00c5, 0x00df, 0x002e, 0x003e, 0x004e, 0x00dc, 0x006e, 0x00fc,
            0x00e5, 0x00c9, 0x002f, 0x003f, 0x004f, 0x00a7, 0x006f, 0x00e0, 
			0x03d5, 0x00E8, 0x00E9, 0x00F9, 0x00EC, 0x00F2, 0x00E7, 0x00D8,
			0x00A5 ];


        for($i = 0; $i < strlen($message); $i++) {
			echo mb_substr($message, $i, 1) . ' - '.  hexdec(bin2hex(mb_substr($message, $i, 1)). "\n";
            if(!in_array(hexdec(bin2hex(mb_substr($message, $i, 1))), $validGSMKeycodes, true)) {
                $message[$i] = '';
                $count++;
            }
        }

		$message =	mb_convert_encoding($message, 'UTF-8', 'UTF-16');
        $message = trim($message);

        return ['message' => $message, 'replacements' => $count];
    }


$message= "@£\$¥èéùìòÇØøÅåΔ_ΦΓΛΩΠΨΣΘΞÆæßÉ !\"#¤%&'()*+,-./0123456789:;>=<?¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑÜ§¿abcdefghijklmnopqrstuvwxyzäöñüàExtended: €[\]^{|}~";




var_dump(stripNonValidCharaters($message));

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)
5.4.34	0.006	0.035	12.05
5.4.32	0.003	0.039	12.54
5.4.31	0.006	0.037	12.54
5.4.30	0.006	0.037	12.54
5.4.29	0.006	0.038	12.54
5.4.28	0.009	0.032	12.43
5.4.27	0.005	0.037	12.43
5.4.26	0.008	0.036	12.43
5.4.25	0.005	0.038	12.43
5.4.24	0.003	0.038	12.43
5.4.23	0.005	0.038	12.42
5.4.22	0.006	0.035	12.42
5.4.21	0.006	0.036	12.42
5.4.20	0.003	0.044	12.42
5.4.19	0.005	0.040	12.42
5.4.18	0.008	0.033	12.42
5.4.17	0.005	0.037	12.43
5.4.16	0.009	0.032	12.42
5.4.15	0.003	0.038	12.41
5.4.14	0.005	0.038	12.11
5.4.13	0.007	0.036	12.09
5.4.12	0.004	0.039	12.05
5.4.11	0.007	0.037	12.05
5.4.10	0.005	0.037	12.05
5.4.9	0.005	0.037	12.05
5.4.8	0.005	0.038	12.05
5.4.7	0.006	0.034	12.05
5.4.6	0.006	0.034	12.04
5.4.5	0.008	0.033	12.04
5.4.4	0.003	0.037	12.04
5.4.3	0.006	0.036	12.03
5.4.2	0.004	0.039	12.03
5.4.1	0.008	0.049	12.03
5.4.0	0.006	0.044	11.52
5.3.29	0.005	0.042	12.80
5.3.28	0.006	0.041	12.71
5.3.27	0.007	0.039	12.72
5.3.26	0.008	0.036	12.72
5.3.25	0.004	0.042	12.72
5.3.24	0.006	0.040	12.72
5.3.23	0.004	0.039	12.71
5.3.22	0.003	0.039	12.68
5.3.21	0.006	0.039	12.68
5.3.20	0.005	0.037	12.68
5.3.19	0.007	0.036	12.68
5.3.18	0.008	0.034	12.68
5.3.17	0.007	0.036	12.67
5.3.16	0.008	0.039	12.68
5.3.15	0.003	0.040	12.67
5.3.14	0.002	0.040	12.66
5.3.13	0.007	0.037	12.66
5.3.12	0.005	0.046	12.66
5.3.11	0.007	0.037	12.65
5.3.10	0.005	0.038	12.13
5.3.9	0.007	0.038	12.11
5.3.8	0.005	0.036	12.09
5.3.7	0.004	0.038	12.09
5.3.6	0.011	0.040	12.08
5.3.5	0.006	0.036	12.02
5.3.4	0.004	0.038	12.02
5.3.3	0.003	0.037	11.98
5.3.2	0.003	0.038	11.77
5.3.1	0.005	0.036	11.73
5.3.0	0.006	0.035	11.72
5.2.17	0.009	0.026	9.22
5.2.16	0.006	0.028	9.22
5.2.15	0.007	0.028	9.22
5.2.14	0.003	0.031	9.21
5.2.13	0.004	0.029	9.17
5.2.12	0.003	0.029	9.18
5.2.11	0.002	0.031	9.18
5.2.10	0.003	0.029	9.18
5.2.9	0.004	0.028	9.18
5.2.8	0.004	0.030	9.17
5.2.7	0.005	0.029	9.18
5.2.6	0.005	0.029	9.13
5.2.5	0.006	0.028	9.10
5.2.4	0.004	0.029	9.07
5.2.3	0.007	0.027	9.05
5.2.2	0.004	0.029	9.05
5.2.1	0.005	0.027	8.95
5.2.0	0.005	0.034	8.80
5.1.6	0.002	0.026	8.09
5.1.5	0.005	0.025	8.09
5.1.4	0.001	0.027	8.07
5.1.3	0.004	0.026	8.43
5.1.2	0.004	0.026	8.44
5.1.1	0.003	0.026	8.17
5.1.0	0.001	0.028	8.17
5.0.5	0.002	0.023	6.64
5.0.4	0.002	0.020	6.51
5.0.3	0.003	0.031	6.31
5.0.2	0.002	0.021	6.28
5.0.1	0.002	0.020	6.26
5.0.0	0.003	0.030	6.26
4.4.9	0.002	0.016	4.78
4.4.8	0.004	0.014	4.75
4.4.7	0.002	0.016	4.75
4.4.6	0.001	0.017	4.76
4.4.5	0.005	0.012	4.77
4.4.4	0.005	0.022	4.70
4.4.3	0.003	0.015	4.76
4.4.2	0.002	0.016	4.84
4.4.1	0.002	0.016	4.85
4.4.0	0.001	0.026	4.76
4.3.11	0.001	0.018	4.67
4.3.10	0.003	0.015	4.66
4.3.9	0.002	0.016	4.63
4.3.8	0.003	0.024	4.58
4.3.7	0.003	0.014	4.63
4.3.6	0.003	0.014	4.63
4.3.5	0.002	0.017	4.63
4.3.4	0.003	0.024	4.54
4.3.3	0.002	0.016	3.30
4.3.2	0.002	0.018	3.28
4.3.1	0.004	0.014	3.25
4.3.0	0.017	0.023	8.12

preferences:dark modelive preview