Online PHP editor | perf for mAT4D

@ 2013-09-12T17:28:37Z

<?php
echo ltrim('#+&!','#&!+');

$channel_name = 'someChannel؏Name';

function isValidChannelName($name) {
    echo $name;
    return !preg_match('؀[^\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0B\x0C\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2D\x2E\x2F\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3B\x3C\x3D\x3E\x3F\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4A\x4B\x4C\x4D\x4E\x4F\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5A\x5B\x5C\x5D\x5E\x5F\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6A\x6B\x6C\x6D\x6E\x6F\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7A\x7B\x7C\x7D\x7E\x7F\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF\xC0\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xCB\xCC\xCD\xCE\xCF\xD0\xD1\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xDB\xDC\xDD\xDE\xDF\xE0\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA\xEB\xEC\xED\xEE\xEF\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\xFB\xFC\xFD\xFE\xFF]؀",$name);
}

var_dump(isValidChannelName($channel_name));

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)
5.4.19	0.053	0.057	19.23
5.4.18	0.040	0.033	19.07
5.4.17	0.043	0.067	19.07
5.4.16	0.040	0.033	18.96
5.4.15	0.047	0.063	18.93
5.4.14	0.043	0.067	16.47
5.4.13	0.050	0.037	16.38
5.4.12	0.053	0.053	16.42
5.4.11	0.050	0.057	16.30
5.4.10	0.037	0.047	16.30
5.4.9	0.043	0.060	16.56
5.4.8	0.033	0.040	16.54
5.4.7	0.047	0.060	16.31
5.4.6	0.047	0.057	16.43
5.4.5	0.033	0.037	16.53
5.4.4	0.047	0.040	16.49
5.4.3	0.037	0.043	16.54
5.4.2	0.040	0.043	16.42
5.4.1	0.053	0.057	16.38
5.4.0	0.050	0.037	15.78
5.3.27	0.050	0.050	14.51
5.3.26	0.047	0.067	14.52
5.3.25	0.037	0.040	14.69
5.3.24	0.053	0.053	14.72
5.3.23	0.047	0.050	14.57
5.3.22	0.047	0.067	14.50
5.3.21	0.043	0.047	14.58
5.3.20	0.047	0.057	14.47
5.3.19	0.040	0.047	14.46
5.3.18	0.043	0.060	14.46
5.3.17	0.050	0.063	14.57
5.3.16	0.043	0.053	14.57
5.3.15	0.053	0.057	14.57
5.3.14	0.037	0.037	14.64
5.3.13	0.040	0.073	14.60
5.3.12	0.047	0.063	14.55
5.3.11	0.050	0.060	14.63
5.3.10	0.047	0.060	14.06
5.3.9	0.050	0.063	14.11
5.3.8	0.047	0.063	13.99
5.3.7	0.047	0.063	14.02
5.3.6	0.043	0.067	13.91
5.3.5	0.033	0.043	14.02
5.3.4	0.040	0.067	14.17
5.3.3	0.037	0.037	14.05
5.3.2	0.043	0.063	13.77
5.3.1	0.040	0.033	13.57
5.3.0	0.030	0.037	13.64

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