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 = []; $str = '|' . implode('|', array_keys($X)); do { if (false !== $pos = strpos($str, '|HTTP_')) { if (false !== $pos2 = strpos($str, '|', $pos + 1)) { $len = $pos2 - $pos - 1; } else { $len = null; } $array[] = substr($str, $pos + 1, $len); $str = $pos2 !== false ? substr($str, $pos2) : ''; } } while ($pos !== false && $str); } var_dump($X, count($X), $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)
7.4.60.0130.12116.19
7.4.50.0060.12016.42
7.4.40.0090.12816.18
7.4.30.0130.12316.45
7.4.20.0150.14916.40
7.4.10.0270.16516.48
7.4.00.0340.10316.61
7.3.180.0060.12516.61
7.3.170.0100.13016.44
7.3.160.0090.11516.39
7.3.150.0160.15316.35
7.3.140.0240.17916.43
7.3.130.0220.12116.36
7.3.120.0120.10915.67
7.3.110.0100.10215.73
7.3.100.0130.09615.45
7.3.90.0100.09915.74
7.3.80.0130.09315.73
7.3.70.0130.08815.61
7.3.60.0100.11015.62
7.3.50.0120.09915.53
7.3.40.0120.09015.54
7.3.30.0060.10015.62
7.3.20.0120.10516.39
7.3.10.0100.09916.37
7.3.00.0140.09816.44
7.2.310.0070.13716.71
7.2.300.0130.12516.75
7.2.290.0130.16516.73
7.2.280.0270.15016.74
7.2.270.0130.13416.51
7.2.260.0090.15516.44
7.2.250.0120.13116.50
7.2.240.0170.09815.95
7.2.230.0100.10115.78
7.2.220.0080.10015.89
7.2.210.0050.11415.95
7.2.200.0090.09615.82
7.2.190.0100.10715.64
7.2.180.0160.09615.65
7.2.170.0080.10115.77
7.2.160.0130.11415.74
7.2.150.0100.10316.72
7.2.140.0100.10616.66
7.2.130.0050.12416.87
7.2.120.0120.10516.64
7.2.110.0130.09516.77
7.2.100.0080.11016.72
7.2.90.0050.10616.71
7.2.80.0050.10016.67
7.2.70.0050.11516.53
7.2.60.0050.11416.70
7.2.50.0040.10416.76
7.2.40.0080.10516.84
7.2.30.0140.10516.76
7.2.20.0110.09916.69
7.2.10.0110.10616.78
7.2.00.0080.08317.65
7.1.330.0140.11115.88
7.1.320.0070.11215.71
7.1.310.0100.10315.71
7.1.300.0070.11415.58
7.1.290.0070.11315.40
7.1.280.0110.10815.77
7.1.270.0060.11015.73
7.1.260.0070.12115.61
7.1.250.0080.11415.62
7.1.240.0250.13415.50
7.1.230.0000.15015.53
7.1.220.0170.19615.48
7.1.210.0190.14015.43
7.1.200.0100.16815.41
7.1.190.0130.13615.36
7.1.180.0100.13115.62
7.1.170.0170.11715.44
7.1.160.0060.13515.49
7.1.150.0030.15215.51
7.1.140.0060.13115.52
7.1.130.0030.18915.44
7.1.120.0180.13015.46
7.1.110.0130.13515.42
7.1.100.0120.16015.59
7.1.90.0130.11715.61
7.1.80.0030.14815.51
7.1.70.0100.10516.27
7.1.60.0100.11517.53
7.1.50.0180.09616.29
7.1.40.0100.14315.64
7.1.30.0160.12715.61
7.1.20.0130.13715.68
7.1.10.0070.15315.47
7.1.00.0070.13318.96
7.0.330.0200.13015.17
7.0.320.0100.12615.22
7.0.310.0190.14215.31
7.0.300.0130.13215.02
7.0.290.0110.13215.34
7.0.280.0060.17015.14
7.0.270.0200.13215.13
7.0.260.0150.14115.28
7.0.250.0130.13515.25
7.0.240.0090.14415.48
7.0.230.0120.14815.27
7.0.220.0100.13515.14
7.0.210.0250.13315.29
7.0.200.0180.08215.11
7.0.190.0090.13415.25
7.0.180.0390.13515.17
7.0.170.0060.15315.25
7.0.160.0130.12915.34
7.0.150.0160.13415.10
7.0.140.0080.14218.65
7.0.130.0200.13915.26
7.0.120.0160.17015.25
7.0.110.0030.14615.22
7.0.100.0070.13615.07
7.0.90.0130.12215.32
7.0.80.0100.13017.46
7.0.70.0160.15017.78
7.0.60.0080.10617.61
7.0.50.0040.13417.79
7.0.40.0170.11917.66
7.0.30.0140.15417.73
7.0.20.0070.13417.57
7.0.10.0130.13417.65
7.0.00.0080.13817.57
5.6.400.0100.27716.13
5.6.390.0280.26916.13
5.6.380.0130.26516.41
5.6.370.0190.29316.02
5.6.360.0100.26016.21
5.6.350.0070.26216.20
5.6.340.0060.27015.69
5.6.330.0160.26515.95
5.6.320.0130.24316.08
5.6.310.0160.25816.19
5.6.300.0100.37115.94
5.6.290.0130.25415.88
5.6.280.0110.25818.69
5.6.270.0100.25616.06
5.6.260.0210.24116.09
5.6.250.0030.27016.07
5.6.240.0160.25516.03
5.6.230.0100.24018.22
5.6.220.0130.24018.23
5.6.210.0100.23218.40
5.6.200.0090.25918.47
5.6.190.0080.25318.52
5.6.180.0180.25418.43
5.6.170.0240.23518.66
5.6.160.0090.26918.59
5.6.150.0110.21118.59
5.6.140.0130.25118.52
5.6.130.0100.25018.52
5.6.120.0110.22218.45
5.6.110.0120.21218.55
5.6.100.0150.27818.47
5.6.90.0100.25918.53
5.6.80.0130.25018.09
5.6.70.0180.20818.17
5.6.60.0190.26118.15
5.6.50.0180.22418.16
5.6.40.0160.22018.12
5.6.30.0110.30818.16
5.6.20.0200.28218.28
5.6.10.0030.25218.24
5.6.00.0110.29418.10
5.5.380.0130.25616.06
5.5.370.0150.28418.23
5.5.360.0130.23218.30
5.5.350.0260.25718.23
5.5.340.0230.26118.43
5.5.330.0130.29918.24
5.5.320.0080.26518.29
5.5.310.0130.27818.46
5.5.300.0150.25718.26
5.5.290.0160.26018.44
5.5.280.0030.24818.47
5.5.270.0070.29618.37
5.5.260.0110.25918.30
5.5.250.0210.32018.42
5.5.240.0130.24318.12
5.5.230.0150.24018.03
5.5.220.0110.25318.05
5.5.210.0050.26918.00
5.5.200.0160.29918.06
5.5.190.0190.27718.07
5.5.180.0130.31118.17
5.5.170.0140.28915.78
5.5.160.0260.25018.16
5.5.150.0110.23417.91
5.5.140.0100.22718.00
5.5.130.0150.23618.07
5.5.120.0120.31717.95
5.5.110.0080.26118.13
5.5.100.0150.24317.96
5.5.90.0190.24717.97
5.5.80.0160.26917.82
5.5.70.0080.26817.93
5.5.60.0110.25417.83
5.5.50.0170.26017.76
5.5.40.0110.26418.05
5.5.30.0160.26618.02
5.5.20.0150.24018.06
5.5.10.0090.28917.94
5.5.00.0100.30117.84
5.4.450.0070.24416.06
5.4.440.0060.27415.90
5.4.430.0190.32415.93
5.4.420.0150.26116.03
5.4.410.0210.24415.91
5.4.400.0100.24215.84
5.4.390.0070.23715.84
5.4.380.0130.22015.79
5.4.370.0080.26715.76
5.4.360.0170.26815.80
5.4.350.0130.22615.89
5.4.340.0080.27015.84
5.4.330.0230.32412.54
5.4.320.0050.26015.83
5.4.310.0130.31715.93
5.4.300.0100.27015.77
5.4.290.0160.27515.66
5.4.280.0070.27015.75
5.4.270.0120.27115.93
5.4.260.0110.28115.83
5.4.250.0110.25215.83
5.4.240.0090.24915.73
5.4.230.0120.26215.81
5.4.220.0070.25815.82
5.4.210.0130.30415.77
5.4.200.0090.23815.66
5.4.190.0160.23915.76
5.4.180.0060.23415.83
5.4.170.0140.23915.66
5.4.160.0110.24615.85
5.4.150.0130.26915.78
5.4.140.0110.24314.51
5.4.130.0130.22714.50
5.4.120.0170.25514.53
5.4.110.0070.24914.54
5.4.100.0160.26514.43
5.4.90.1220.35614.58
5.4.80.1270.28414.42
5.4.70.1000.29614.51
5.4.60.1100.29714.50
5.4.50.1230.31614.62
5.4.40.1200.31614.56
5.4.30.1170.30214.52
5.4.20.1260.29014.64
5.4.10.1270.25714.41
5.4.00.0920.30214.15
5.3.290.0030.02913.67
5.3.280.0060.03913.63
5.3.270.0110.03813.67
5.3.260.0030.04613.60
5.3.250.0020.04413.65
5.3.240.0060.04213.56
5.3.230.0100.03913.65
5.3.220.0020.04213.56
5.3.210.0070.04113.52
5.3.200.0120.03313.58
5.3.190.0080.03613.59
5.3.180.0110.02913.69
5.3.170.0050.04013.70
5.3.160.0070.04213.73
5.3.150.0040.04013.69
5.3.140.0060.04013.67
5.3.130.0100.02013.57
5.3.120.0060.02213.62
5.3.110.0040.02913.64
5.3.100.0060.02413.38
5.3.90.0020.03113.39
5.3.80.0020.03013.24
5.3.70.0050.02513.26
5.3.60.0070.02113.46
5.3.50.0080.02013.34
5.3.40.0080.01813.31
5.3.30.0020.03513.21
5.3.20.0060.03613.20
5.3.10.0070.02013.07
5.3.00.0120.01913.14
5.2.170.0040.02012.73
5.2.160.0060.01712.78
5.2.150.0070.02712.72
5.2.140.0030.03712.70
5.2.130.0090.01812.68
5.2.120.0070.02512.70
5.2.110.0020.02512.72
5.2.100.0040.02412.74
5.2.90.0030.01812.67
5.2.80.0060.01612.66
5.2.70.0020.02112.73
5.2.60.0040.01712.63
5.2.50.0080.01512.71
5.2.40.0010.02012.67
5.2.30.0020.01812.65
5.2.20.0050.01712.64
5.2.10.0030.01612.56
5.2.00.0030.01812.59
5.1.60.0020.01412.20
5.1.50.0030.01412.20
5.1.40.0020.01912.42
5.1.30.0000.01812.33
5.1.20.0020.01612.26
5.1.10.0050.01412.33
5.1.00.0060.01112.32
5.0.50.0070.01011.93
5.0.40.0060.02411.93
5.0.30.0030.01611.93
5.0.20.0030.01211.93
5.0.10.0030.01411.93
5.0.00.0030.01711.93
4.4.90.0010.01011.93
4.4.80.0010.01011.93
4.4.70.0000.01111.93
4.4.60.0030.00811.93
4.4.50.0020.00811.93
4.4.40.0010.01111.93
4.4.30.0010.01011.93
4.4.20.0010.01111.93
4.4.10.0020.01011.93
4.4.00.0030.01011.93
4.3.110.0000.01011.93
4.3.100.0000.01011.93
4.3.90.0030.00711.93
4.3.80.0020.01211.93
4.3.70.0030.00811.93
4.3.60.0010.00811.93
4.3.50.0030.00711.93
4.3.40.0040.01111.93
4.3.30.0020.00811.93
4.3.20.0000.01011.93
4.3.10.0020.00811.93
4.3.00.0030.00811.93

preferences:
36.78 ms | 401 KiB | 5 Q