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)
7.4.10.0060.07714.99
7.4.00.0100.07914.72
7.3.130.0070.08714.92
7.3.120.0070.08614.80
7.3.110.0070.11015.04
7.3.100.0000.08014.60
7.3.90.0100.10115.07
7.3.80.0070.09414.91
7.3.70.0030.07615.04
7.3.60.0130.07214.75
7.3.50.0070.07414.68
7.3.40.0030.07814.98
7.3.30.0070.08314.95
7.3.20.0100.07216.47
7.3.10.0030.07916.69
7.3.00.0030.07816.89
7.2.260.0070.11414.79
7.2.250.0130.10915.20
7.2.240.0070.08115.21
7.2.230.0070.08915.17
7.2.220.0030.10615.00
7.2.210.0030.09115.28
7.2.200.0030.07815.14
7.2.190.0030.08415.01
7.2.180.0030.09314.86
7.2.170.0000.08214.96
7.2.160.0000.08414.73
7.2.150.0070.08617.02
7.2.140.0070.07816.68
7.2.130.0030.08616.91
7.2.120.0000.08916.84
7.2.110.0130.07116.87
7.2.100.0070.08717.10
7.2.90.0070.07616.98
7.2.80.0030.07917.00
7.2.70.0070.07616.73
7.2.60.0070.07617.01
7.2.50.0070.07817.10
7.2.40.0030.08816.92
7.2.30.0000.08316.88
7.2.20.0130.07417.05
7.2.10.0070.08516.91
7.2.00.0030.07916.99
7.1.330.0030.09715.85
7.1.320.0000.11115.73
7.1.310.0070.09915.84
7.1.300.0070.10215.50
7.1.290.0030.10615.87
7.1.280.0030.09915.81
7.1.270.0030.08815.75
7.1.260.0030.09315.78
7.1.250.0070.12015.80
7.1.240.0000.12015.79
7.1.230.0030.09715.76
7.1.220.0030.11115.61
7.1.210.0070.09615.89
7.1.200.0070.09915.59
7.1.190.0030.09515.84
7.1.180.0000.11015.73
7.1.170.0030.10915.88
7.1.160.0070.09915.54
7.1.150.0070.10315.64
7.1.140.0000.10015.90
7.1.130.0030.09315.60
7.1.120.0030.11215.61
7.1.110.0070.09815.87
7.1.100.0030.10415.75
7.1.90.0070.08915.86
7.1.80.0070.09115.48
7.1.70.0020.07816.34
7.1.60.0080.06416.52
7.1.50.0080.09016.30
7.1.40.0000.11315.96
7.1.30.0000.11515.62
7.1.20.0100.08615.60
7.1.10.0030.11315.60
7.1.00.0050.11419.10
7.0.330.0070.09015.61
7.0.320.0070.09015.47
7.0.310.0030.10615.55
7.0.300.0030.10315.24
7.0.290.0070.08815.37
7.0.280.0030.10215.29
7.0.270.0030.10915.41
7.0.260.0030.08815.23
7.0.250.0030.09015.23
7.0.240.0030.09315.29
7.0.230.0070.09615.40
7.0.220.0070.11515.51
7.0.210.0030.09915.23
7.0.200.0100.08416.06
7.0.190.0070.10215.23
7.0.180.0030.08715.44
7.0.170.0030.10515.14
7.0.160.0070.08715.54
7.0.150.0030.10415.37
7.0.140.0100.11318.68
7.0.130.0000.12415.35
7.0.120.0000.11015.64
7.0.110.0030.09115.39
7.0.100.0070.11417.73
7.0.90.0000.12617.74
7.0.80.0100.11217.70
7.0.70.0150.10317.54
7.0.60.0030.09717.70
7.0.50.0200.09517.98
7.0.40.0030.11716.80
7.0.30.0050.11816.80
7.0.20.0050.11216.85
7.0.10.0100.11516.68
7.0.00.0020.11416.85
5.6.400.0030.24014.34
5.6.390.0000.22514.65
5.6.380.0030.21414.48
5.6.370.0070.22314.58
5.6.360.0100.21614.58
5.6.350.0070.21614.31
5.6.340.0070.23114.73
5.6.330.0030.21314.25
5.6.320.0000.24714.30
5.6.310.0100.24714.78
5.6.300.0070.23314.66
5.6.290.0070.21214.50
5.6.280.0120.22417.82
5.6.270.0030.23014.67
5.6.260.0070.21414.51
5.6.250.0080.19717.64
5.6.240.0020.17317.55
5.6.230.0070.23317.43
5.6.220.0020.21717.51
5.6.210.0050.22417.65
5.6.200.0070.23717.75
5.6.190.0100.23517.67
5.6.180.0070.22017.64
5.6.170.0070.19817.71
5.6.160.0080.20217.63
5.6.150.0080.22617.79
5.6.140.0070.19417.76
5.6.130.0070.22217.81
5.6.120.0070.17517.84
5.6.110.0030.21317.76
5.6.100.0030.23717.88
5.6.90.0030.21417.67
5.6.80.0050.19317.52
5.6.70.0030.19517.33
5.6.60.0080.22617.40
5.6.50.0000.20317.35
5.6.40.0080.20717.40
5.6.30.0100.19217.38
5.6.20.0120.22517.44
5.6.10.0050.20917.39
5.6.00.0030.20917.41
5.5.380.0450.26117.30
5.5.370.0920.23517.33
5.5.360.0600.26717.51
5.5.350.0750.27917.21
5.5.340.0720.27117.50
5.5.330.0710.25717.64
5.5.320.0700.28117.66
5.5.310.0700.25817.58
5.5.300.0530.23017.62
5.5.290.0610.23717.71
5.5.280.0820.28817.61
5.5.270.0920.29217.74
5.5.260.0540.23217.53
5.5.250.0600.26617.53
5.5.240.0750.28117.36
5.5.230.0770.21617.25
5.5.220.0600.26717.32
5.5.210.0550.29317.24
5.5.200.0700.26317.26
5.5.190.0810.25717.09
5.5.180.0630.23317.25
5.5.170.0570.26614.36
5.5.160.0840.28117.21
5.5.150.1020.28817.22
5.5.140.0850.25317.27
5.5.130.0670.24317.24
5.5.120.0800.26917.27
5.5.110.0850.27017.23
5.5.100.0920.28517.05
5.5.90.0680.28017.19
5.5.80.0730.28217.08
5.5.70.0630.24517.20
5.5.60.0730.25817.26
5.5.50.0980.27017.26
5.5.40.0950.28317.34
5.5.30.0620.24017.02
5.5.20.0830.26317.20
5.5.10.0580.24617.28
5.5.00.0950.23817.22
5.4.450.0730.29215.21
5.4.440.0680.25015.34
5.4.430.0800.30115.09
5.4.420.0730.27415.32
5.4.410.0650.25015.16
5.4.400.0500.27115.00
5.4.390.0700.28315.08
5.4.380.0500.28715.17
5.4.370.0670.29214.85
5.4.360.0580.24315.19
5.4.350.0700.25715.15
5.4.340.0580.24315.02
5.4.330.0900.31311.11
5.4.320.0950.27615.17
5.4.310.0620.27714.93
5.4.300.0910.25815.18
5.4.290.0600.26214.90
5.4.280.0620.24015.16
5.4.270.0800.26915.02
5.4.260.0750.25714.88
5.4.250.0520.28515.10
5.4.240.0740.30414.80
5.4.230.0830.24815.14
5.4.220.0670.26815.14
5.4.210.0850.27815.10
5.4.200.0770.27414.94
5.4.190.0680.22914.88
5.4.180.0760.27915.06
5.4.170.0630.26115.04
5.4.160.0650.25715.06
5.4.150.0730.24215.16
5.4.140.0750.25813.69
5.4.130.0780.28913.78
5.4.120.0720.29413.65
5.4.110.0570.29913.79
5.4.100.0650.24813.78
5.4.90.0080.24813.76
5.4.80.0030.23413.75
5.4.70.0150.21613.76
5.4.60.0120.25213.64
5.4.50.0170.20613.71
5.4.40.0050.22113.66
5.4.30.0050.21013.71
5.4.20.0050.18713.72
5.4.10.0020.18413.54
5.4.00.0000.19913.30
5.3.290.0070.08014.63
5.3.280.0030.04314.43
5.3.270.0030.07314.63
5.3.260.0070.07314.48
5.3.250.0070.07714.60
5.3.240.0130.07014.60
5.3.230.0000.08014.45
5.3.220.0170.07014.55
5.3.210.0100.07314.41
5.3.200.0070.03014.49
5.3.190.0100.02714.49
5.3.180.0070.06314.57
5.3.170.0030.07714.41
5.3.160.0030.07714.58
5.3.150.0100.04014.46
5.3.140.0070.07014.53
5.3.130.0130.02314.55
5.3.120.0030.04014.54
5.3.110.0030.03014.41
5.3.100.0070.03314.03
5.3.90.0100.03013.99
5.3.80.0100.04314.02
5.3.70.0030.03314.04
5.3.60.0030.04014.02
5.3.50.0100.02713.97
5.3.40.0000.04013.95
5.3.30.0130.02713.88
5.3.20.0030.03013.46
5.3.10.0000.03713.63
5.3.00.0070.06713.64
5.2.170.0030.03012.25
5.2.160.0030.02312.25
5.2.150.0070.02012.25
5.2.140.0070.03312.25
5.2.130.0030.05712.25
5.2.120.0000.06012.25
5.2.110.0030.05712.25
5.2.100.0000.03712.25
5.2.90.0030.02312.25
5.2.80.0000.03312.25
5.2.70.0030.04712.25
5.2.60.0030.02712.25
5.2.50.0030.02712.25
5.2.40.0070.02712.25
5.2.30.0030.04012.25
5.2.20.0000.03012.25
5.2.10.0100.03712.25
5.2.00.0030.02712.25
5.1.60.0030.02312.25
5.1.50.0030.02712.25
5.1.40.0070.02012.25
5.1.30.0100.02012.25
5.1.20.0030.02312.25
5.1.10.0030.02312.25
5.1.00.0070.02312.25
5.0.50.0030.01712.25
5.0.40.0030.02312.25
5.0.30.0000.03712.25
5.0.20.0030.01712.25
5.0.10.0000.02012.25
5.0.00.0000.03012.25
4.4.90.0000.01712.25
4.4.80.0030.02712.25
4.4.70.0000.01712.25
4.4.60.0000.01712.25
4.4.50.0000.01712.25
4.4.40.0000.02312.25
4.4.30.0030.01312.25
4.4.20.0000.01312.25
4.4.10.0000.01712.25
4.4.00.0000.03012.25
4.3.110.0000.02012.25
4.3.100.0000.01712.25
4.3.90.0000.01712.25
4.3.80.0000.02312.25
4.3.70.0000.01712.25
4.3.60.0000.01312.25
4.3.50.0000.01312.25
4.3.40.0000.02712.25
4.3.30.0000.01712.25
4.3.20.0000.01712.25
4.3.10.0030.01312.25
4.3.00.0000.01312.25

preferences:
38.43 ms | 401 KiB | 5 Q