3v4l.org

run code in 300+ PHP versions simultaneously
<?php $X = array( 'ALLUSERSPROFILE' => '', 'APPDATA' => '', 'COMMANDER_DRIVE' => '', 'COMMANDER_EXE' => '', 'COMMANDER_INI' => '', 'COMMANDER_PATH' => '', 'CommonProgramFiles' => '', 'CommonProgramFiles(x86)' => '', 'CommonProgramW6432' => '', 'COMPUTERNAME' => '', 'ComSpec' => '', 'EMAIL' => '', 'FP_NO_HOST_CHECK' => '', 'HOMEDRIVE' => '', 'HOMEPATH' => '', 'LOCALAPPDATA' => '', 'LOGONSERVER' => '', 'NUMBER_OF_PROCESSORS' => '', 'OS' => '', 'Path' => '', 'PATHEXT' => '', 'PROCESSOR_ARCHITECTURE' => '', 'PROCESSOR_ARCHITEW6432' => '', 'PROCESSOR_IDENTIFIER' => '', 'PROCESSOR_LEVEL' => '', 'PROCESSOR_REVISION' => '', 'ProgramData' => '', 'ProgramFiles' => '', 'ProgramFiles(x86)' => '', 'ProgramW6432' => '', 'PROMPT' => '', 'PSModulePath' => '', 'PUBLIC' => '', 'SESSIONNAME' => '', 'SystemDrive' => '', 'SystemRoot' => '', 'TEMP' => '', 'TMP' => '', 'USERDOMAIN' => '', 'USERDOMAIN_ROAMINGPROFILE' => '', 'USERNAME' => '', 'USERPROFILE' => '', 'VBOX_INSTALL_PATH' => '', 'VBOX_MSI_INSTALL_PATH' => '', 'windir' => '', 'HTTP_COOKIE' => '', 'HTTP_ACCEPT_LANGUAGE' => '', 'HTTP_ACCEPT_ENCODING' => '', 'HTTP_REFERER' => '', 'HTTP_USER_AGENT' => '', 'HTTP_ACCEPT' => '', 'HTTP_CACHE_CONTROL' => '', 'HTTP_CONNECTION' => '', 'HTTP_HOST' => '', 'SCRIPT_FILENAME' => '', 'REDIRECT_STATUS' => '', 'SERVER_NAME' => '', 'SERVER_PORT' => '', 'SERVER_ADDR' => '', 'REMOTE_PORT' => '', 'REMOTE_ADDR' => '', 'SERVER_SOFTWARE' => '', 'GATEWAY_INTERFACE' => '', 'SERVER_PROTOCOL' => '', 'DOCUMENT_ROOT' => '', 'DOCUMENT_URI' => '', 'REQUEST_URI' => '', 'SCRIPT_NAME' => '', 'CONTENT_LENGTH' => '', 'CONTENT_TYPE' => '', 'REQUEST_METHOD' => '', 'QUERY_STRING' => '', 'FCGI_ROLE' => '', 'PHP_SELF' => '', 'REQUEST_TIME_FLOAT' => '', 'REQUEST_TIME' => '', ); $time = microtime(true); for ($i = 0; $i < 10000; $i++) { $array = []; foreach ($X as $key => $value) { if (0 === strpos($key, 'HTTP_')) { $array[] = $key; } } } var_dump($array, microtime(true) - $time);

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).

VersionSystem time (s)User time (s)Memory (MiB)
7.3.10.0130.05716.68
7.3.00.0060.05116.70
7.2.130.0000.06117.00
7.2.120.0070.06416.77
7.2.110.0130.05116.79
7.2.100.0100.05716.85
7.2.90.0050.05916.87
7.2.80.0050.05716.80
7.2.70.0100.05916.86
7.2.60.0110.05516.84
7.2.50.0140.05916.80
7.2.40.0100.05516.60
7.2.30.0130.05216.83
7.2.20.0130.05416.88
7.2.10.0130.05616.84
7.2.00.0090.05417.69
7.1.250.0030.10615.85
7.1.230.0030.05815.86
7.1.220.0130.04915.75
7.1.210.0130.05615.62
7.1.200.0290.04915.95
7.1.190.0100.06015.80
7.1.180.0160.04715.70
7.1.170.0130.05015.85
7.1.160.0130.04915.88
7.1.150.0130.04915.74
7.1.140.0100.05015.84
7.1.130.0290.05215.88
7.1.120.0230.05915.38
7.1.110.0070.05815.96
7.1.100.0170.05115.88
7.1.90.0160.04815.86
7.1.80.0110.05215.81
7.1.70.0080.06216.40
7.1.60.0110.05817.76
7.1.50.0070.07616.27
7.1.40.0090.07315.66
7.1.30.0530.05615.91
7.1.20.0070.05916.00
7.1.10.0100.05715.86
7.1.00.0100.10819.00
7.0.310.0000.05915.50
7.0.300.0070.05515.51
7.0.290.0100.04915.28
7.0.280.0230.05215.55
7.0.270.0100.05315.39
7.0.260.0130.05015.12
7.0.250.0100.05615.22
7.0.240.0160.05515.43
7.0.230.0070.06415.18
7.0.220.0300.05015.19
7.0.210.0040.06115.40
7.0.200.0330.04715.14
7.0.190.0130.04915.21
7.0.180.0170.04515.50
7.0.170.0100.05115.20
7.0.160.0510.05215.29
7.0.150.0110.05315.29
7.0.140.0100.08618.68
7.0.130.0090.05415.20
7.0.120.0120.05015.29
7.0.110.0110.05415.52
7.0.100.0130.05817.79
7.0.90.0280.05017.69
7.0.80.0060.06817.75
7.0.70.0190.05617.66
7.0.60.0130.05617.71
7.0.50.0100.05517.92
7.0.40.0060.05716.83
7.0.30.0030.07716.83
7.0.20.0070.09616.77
7.0.10.0110.08216.84
7.0.00.0050.06616.53
5.6.380.0070.14714.80
5.6.370.0100.15414.29
5.6.360.0160.14614.11
5.6.350.0140.14014.57
5.6.340.0200.14814.33
5.6.330.0160.13814.48
5.6.320.0170.13814.78
5.6.310.0100.14414.46
5.6.300.0130.14714.51
5.6.290.0170.13614.77
5.6.280.0100.23917.79
5.6.270.0100.14714.77
5.6.260.0160.14214.80
5.6.250.0120.15017.61
5.6.240.0080.16917.32
5.6.230.0070.13517.52
5.6.220.0050.14417.49
5.6.210.0030.15117.55
5.6.200.0150.13717.70
5.6.190.0080.14217.62
5.6.180.0050.14017.85
5.6.170.0080.17217.81
5.6.160.0030.18517.67
5.6.150.0080.15717.70
5.6.140.0110.19017.74
5.6.130.0150.15517.78
5.6.120.0130.18217.78
5.6.110.0070.16817.77
5.6.100.0110.15017.85
5.6.90.0080.19017.64
5.6.80.0080.17417.47
5.6.70.0070.18317.32
5.6.60.0120.14917.25
5.6.50.0130.17717.43
5.6.40.0100.17017.41
5.6.30.0050.15917.37
5.6.20.0080.17617.45
5.6.10.0070.18117.40
5.6.00.0030.16617.41
5.5.380.0080.17716.61
5.5.370.0070.18316.59
5.5.360.0200.16616.61
5.5.350.0070.17316.63
5.5.340.0030.16416.79
5.5.330.0070.15916.87
5.5.320.0100.16316.77
5.5.310.0080.20516.85
5.5.300.0120.19816.83
5.5.290.0050.18116.85
5.5.280.0120.20616.85
5.5.270.0100.22616.71
5.5.260.0100.19116.85
5.5.250.0050.18016.76
5.5.240.0050.18116.48
5.5.230.0070.17016.49
5.5.220.0070.20116.53
5.5.210.0100.21416.47
5.5.200.0100.20516.50
5.5.190.0130.20216.52
5.5.180.0050.19116.54
5.5.170.0030.17414.35
5.5.160.0150.21816.54
5.5.150.0050.18316.46
5.5.140.0080.20816.47
5.5.130.0070.20116.54
5.5.120.0070.19016.48
5.5.110.0100.19516.40
5.5.100.0080.22016.40
5.5.90.0080.19616.45
5.5.80.0130.19716.46
5.5.70.0070.19116.48
5.5.60.0080.21116.43
5.5.50.0100.21816.46
5.5.40.0080.20416.45
5.5.30.0080.19916.43
5.5.20.0100.20216.45
5.5.10.0050.19816.45
5.5.00.0080.19716.44
5.4.450.0100.21816.05
5.4.440.0060.21216.03
5.4.430.0100.19616.02
5.4.420.0080.22916.08
5.4.410.0070.20616.05
5.4.400.0180.19015.97
5.4.390.0080.19516.01
5.4.380.0120.19915.79
5.4.370.0100.19815.87
5.4.360.0070.16515.95
5.4.350.0030.18015.92
5.4.340.0130.21515.96
5.4.330.0060.17212.79
5.4.320.0080.20615.93
5.4.310.0080.21615.98
5.4.300.0080.19615.86
5.4.290.0330.19415.87
5.4.280.0260.20215.79
5.4.270.0080.21415.96
5.4.260.0050.19615.93
5.4.250.0080.19115.92
5.4.240.0100.19815.78
5.4.230.0020.20915.88
5.4.220.0080.18515.90
5.4.210.0070.21416.00
5.4.200.0120.18615.95
5.4.190.0030.18415.86
5.4.180.0050.22715.79
5.4.170.0080.18515.93
5.4.160.0030.18815.90
5.4.150.0080.21115.93
5.4.140.0080.21514.59
5.4.130.0050.22214.53
5.4.120.0250.18214.59
5.4.110.0070.17114.56
5.4.100.0100.17114.58
5.4.90.0100.20814.56
5.4.80.0080.21814.55
5.4.70.0120.17114.59
5.4.60.0020.19114.49
5.4.50.0080.19914.50
5.4.40.0120.21014.60
5.4.30.0100.18714.52
5.4.20.0100.17614.50
5.4.10.0050.24214.54
5.4.00.0100.21214.29
5.3.290.0070.02513.71
5.3.280.0050.04113.68
5.3.270.0070.04213.68
5.3.260.0070.03713.70
5.3.250.0130.03213.68
5.3.240.0030.04313.63
5.3.230.0090.04013.70
5.3.220.0060.03613.68
5.3.210.0050.04013.60
5.3.200.0100.03713.63
5.3.190.0100.03513.65
5.3.180.0060.03913.68
5.3.170.0030.02813.65
5.3.160.0080.02013.61
5.3.150.0080.03713.69
5.3.140.0100.03813.68
5.3.130.0100.03813.61
5.3.120.0080.04213.66
5.3.110.0030.04713.60
5.3.100.0050.02213.42
5.3.90.0090.03913.38
5.3.80.0060.03713.41
5.3.70.0060.04013.30
5.3.60.0050.03013.29
5.3.50.0110.02313.36
5.3.40.0060.02213.38
5.3.30.0070.01913.24
5.3.20.0050.03613.24
5.3.10.0160.02513.18
5.3.00.0060.04013.10
5.2.170.0130.01612.33
5.2.160.0070.03012.33
5.2.150.0120.01812.33
5.2.140.0070.03112.33
5.2.130.0150.03312.33
5.2.120.0030.03012.33
5.2.110.0030.02112.33
5.2.100.0070.03312.33
5.2.90.0040.03412.33
5.2.80.0060.01712.33
5.2.70.0080.01912.33
5.2.60.0070.03012.33
5.2.50.0070.01712.33
5.2.40.0070.01812.33
5.2.30.0110.02712.33
5.2.20.0090.03012.33
5.2.10.0030.01812.33
5.2.00.0060.03312.33
5.1.60.0060.03012.33
5.1.50.0090.02512.33
5.1.40.0060.01512.33
5.1.30.0090.02412.33
5.1.20.0050.02812.33
5.1.10.0060.01712.33
5.1.00.0050.03012.33
5.0.50.0080.02212.33
5.0.40.0080.02112.33
5.0.30.0040.03012.33
5.0.20.0080.01812.33
5.0.10.0000.02912.33
5.0.00.0030.03512.33
4.4.90.0060.01712.33
4.4.80.0080.00512.33
4.4.70.0030.02212.33
4.4.60.0030.01812.33
4.4.50.0000.02212.33
4.4.40.0050.02012.33
4.4.30.0020.01912.33
4.4.20.0030.02612.33
4.4.10.0020.02012.33
4.4.00.0030.01312.33
4.3.110.0040.01012.33
4.3.100.0030.02012.33
4.3.90.0020.01512.33
4.3.80.0020.02312.33
4.3.70.0050.01812.33
4.3.60.0020.01812.33
4.3.50.0000.01412.33
4.3.40.0050.02312.33
4.3.30.0020.01112.33
4.3.20.0040.01912.33
4.3.10.0040.02112.33
4.3.00.0000.02112.33

preferences:
35.71 ms | 401 KiB | 5 Q