3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { const A = [ 'a' => 'b', 'c' => 'd']; public function __construct() { if (isset(self::A['a'])) { echo 'xxx'; } } } new x();

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)
8.3.60.0140.00716.50
8.3.50.0090.00821.92
8.3.40.0110.00418.75
8.3.30.0110.00718.50
8.3.20.0080.00020.07
8.3.10.0050.00323.66
8.3.00.0040.00419.15
8.2.180.0140.00718.41
8.2.170.0130.00722.96
8.2.160.0030.01022.13
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0060.00317.63
8.2.120.0000.00726.35
8.2.110.0030.00622.27
8.2.100.0090.00318.04
8.2.90.0000.00719.13
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0050.00317.91
8.2.50.0030.00618.07
8.2.40.0070.00019.27
8.2.30.0040.00420.57
8.2.20.0030.00517.60
8.2.10.0000.00718.02
8.2.00.0040.00417.98
8.1.280.0090.00625.92
8.1.270.0050.00323.99
8.1.260.0100.00028.09
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0080.00317.54
8.1.220.0040.00417.74
8.1.210.0050.00518.77
8.1.200.0060.00317.13
8.1.190.0030.00617.10
8.1.180.0080.00018.10
8.1.170.0040.00418.63
8.1.160.0070.00021.84
8.1.150.0070.00018.75
8.1.140.0080.00019.49
8.1.130.0070.00317.31
8.1.120.0050.00217.23
8.1.110.0070.00017.23
8.1.100.0050.00317.25
8.1.90.0040.00417.29
8.1.80.0000.00717.18
8.1.70.0030.00317.14
8.1.60.0060.00317.50
8.1.50.0050.00317.48
8.1.40.0080.00017.48
8.1.30.0050.00317.54
8.1.20.0040.00417.40
8.1.10.0000.00817.36
8.1.00.0000.00717.45
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0070.00018.49
8.0.270.0030.00317.16
8.0.260.0000.00617.23
8.0.250.0020.00516.91
8.0.240.0030.00316.82
8.0.230.0080.00016.89
8.0.220.0040.00416.72
8.0.210.0000.00716.84
8.0.200.0060.00016.77
8.0.190.0070.00016.88
8.0.180.0000.00716.73
8.0.170.0040.00416.86
8.0.160.0070.00016.81
8.0.150.0070.00016.79
8.0.140.0040.00716.74
8.0.130.0060.00313.18
8.0.120.0080.00016.65
8.0.110.0040.00416.72
8.0.100.0000.00816.88
8.0.90.0040.00416.93
8.0.80.0040.01216.78
8.0.70.0070.00016.86
8.0.60.0040.00416.77
8.0.50.0030.00616.70
8.0.30.0110.00816.88
8.0.20.0080.01017.40
8.0.10.0040.00416.80
8.0.00.0110.00616.70
7.4.330.0000.00516.71
7.4.320.0000.00716.42
7.4.300.0030.00316.45
7.4.290.0000.00716.51
7.4.280.0070.00016.50
7.4.270.0030.00316.54
7.4.260.0030.00316.27
7.4.250.0070.00016.53
7.4.240.0040.00316.42
7.4.230.0000.00716.55
7.4.220.0130.00716.38
7.4.210.0120.00216.52
7.4.200.0000.00716.50
7.4.160.0000.01616.42
7.4.150.0080.00817.40
7.4.140.0100.00917.86
7.4.130.0190.00416.54
7.4.120.0150.00816.42
7.4.110.0050.01316.48
7.4.100.0070.01416.32
7.4.90.0130.00316.42
7.4.80.0000.01619.39
7.4.70.0100.00616.43
7.4.60.0130.00316.44
7.4.50.0030.01516.49
7.4.40.0090.00916.39
7.4.30.0130.00716.39
7.4.00.0050.01214.79
7.3.330.0000.00513.19
7.3.320.0000.00513.30
7.3.310.0030.00316.34
7.3.300.0030.00316.10
7.3.290.0070.00016.23
7.3.280.0120.00316.23
7.3.270.0130.00717.40
7.3.260.0090.00916.45
7.3.250.0100.00916.32
7.3.240.0150.00416.29
7.3.230.0140.00316.45
7.3.210.0090.00616.35
7.3.200.0060.01016.36
7.3.190.0140.00516.30
7.3.180.0080.00816.30
7.3.170.0120.00616.38
7.3.160.0070.01016.19
7.3.120.0100.00714.50
7.3.110.0090.00414.49
7.3.100.0060.01314.92
7.3.90.0030.01014.63
7.3.80.0040.01114.53
7.3.70.0060.00614.56
7.3.60.0060.00614.57
7.3.50.0030.01014.68
7.3.40.0030.00614.53
7.3.30.0030.01014.52
7.3.20.0030.01216.42
7.3.10.0080.00716.18
7.3.00.0030.01516.38
7.2.330.0140.00316.49
7.2.320.0140.00316.70
7.2.310.0090.00816.32
7.2.300.0090.00916.25
7.2.290.0060.01216.70
7.2.250.0090.00914.83
7.2.240.0110.00714.78
7.2.230.0030.01214.40
7.2.220.0060.00614.98
7.2.210.0180.00014.65
7.2.200.0000.01614.66
7.2.190.0060.00614.52
7.2.180.0030.01214.71
7.2.170.0030.00915.03
7.2.160.0000.01514.75
7.2.150.0070.00716.79
7.2.140.0030.00716.51
7.2.130.0080.00816.84
7.2.120.0060.00816.73
7.2.110.0100.00716.82
7.2.100.0080.00516.67
7.2.90.0130.00816.67
7.2.80.0070.01116.77
7.2.70.0130.00716.61
7.2.60.0090.00716.62
7.2.50.0120.00716.60
7.2.40.0150.00516.72
7.2.30.0050.01416.72
7.2.20.0140.00716.78
7.2.10.0140.00716.74
7.2.00.0050.00917.58
7.1.330.0070.01015.70
7.1.320.0000.01415.47
7.1.310.0030.01315.79
7.1.300.0060.00615.50
7.1.290.0030.01115.77
7.1.280.0040.00815.52
7.1.270.0030.00915.24
7.1.260.0120.00015.59
7.1.250.0060.00915.70
7.1.240.0100.00415.44
7.1.230.0040.00815.35
7.1.220.0060.00915.47
7.1.210.0140.00015.64
7.1.200.0020.00815.59
7.1.190.0130.00015.41
7.1.180.0060.00915.37
7.1.170.0100.00315.69
7.1.160.0040.01215.56
7.1.150.0030.01015.51
7.1.140.0040.00815.81
7.1.130.0000.01215.64
7.1.120.0030.00715.49
7.1.110.0040.00715.70
7.1.100.0020.01016.66
7.1.90.0030.00915.84
7.1.80.0090.00315.49
7.1.70.0070.00316.36
7.1.60.0050.01017.62
7.1.50.0050.01216.25
7.1.40.0060.00315.51
7.1.30.0030.00915.66
7.1.20.0040.00715.74
7.1.10.0090.00015.45
7.1.00.0020.04019.08
7.0.330.0070.01014.91
7.0.320.0060.00614.98
7.0.310.0030.00915.09
7.0.300.0000.01415.40
7.0.290.0130.00315.06
7.0.280.0080.00014.90
7.0.270.0030.01415.07
7.0.260.0000.01215.14
7.0.250.0030.01015.44
7.0.240.0040.00715.22
7.0.230.0040.00415.07
7.0.220.0100.00315.39
7.0.210.0000.00815.29
7.0.200.0160.00615.05
7.0.190.0030.00615.46
7.0.180.0000.01315.32
7.0.170.0070.00715.31
7.0.160.0030.01015.43
7.0.150.0000.01114.96
7.0.140.0000.01315.30
7.0.130.0030.00714.96
7.0.120.0040.00814.96
7.0.110.0090.00015.33
7.0.100.0070.00315.24
7.0.90.0030.00615.29
7.0.80.0030.00615.40
7.0.70.0030.00614.94
7.0.60.0100.03717.51
7.0.50.0080.04016.67
7.0.40.0040.04916.79
7.0.30.0180.03816.81
7.0.20.0180.04216.68
7.0.10.0070.02416.73
7.0.00.0030.04716.77
5.6.400.0000.01514.21
5.6.390.0130.00314.09
5.6.380.0070.01013.57
5.6.370.0120.00314.21
5.6.360.0040.00813.80
5.6.350.0000.01613.92
5.6.340.0000.01213.90
5.6.330.0060.00613.89
5.6.320.0000.01514.11
5.6.310.0080.00014.14
5.6.300.0070.00414.05
5.6.290.0040.00714.00
5.6.280.0000.01214.08
5.6.270.0030.00613.97
5.6.260.0030.00713.63
5.6.250.0030.01013.96
5.6.240.0040.00714.15
5.6.230.0070.00713.91
5.6.220.0100.00314.04
5.6.210.0070.04717.43
5.6.200.0080.03916.14
5.6.190.0080.04517.18
5.6.180.0180.04317.28
5.6.170.0180.04017.19
5.6.160.0030.04117.23
5.6.150.0050.04816.12
5.6.140.0080.02515.87
5.6.130.0050.03816.13
5.6.120.0080.04817.55
5.6.110.0120.04517.51
5.6.100.0120.03817.40
5.6.90.0030.02717.38
5.6.80.0100.04117.08
5.6.70.0030.00914.09
5.6.60.0030.01313.54
5.6.50.0030.00913.75
5.6.40.0000.01413.85
5.6.30.0000.01413.72
5.6.20.0090.00913.63
5.6.10.0130.00013.58
5.6.00.0090.00613.81
5.5.380.0060.00614.06
5.5.370.0040.00414.00
5.5.360.0000.01414.14
5.5.350.2160.02116.97
5.5.340.0090.02616.12
5.5.330.0150.03817.22
5.5.320.0020.04817.19
5.5.310.0150.04317.02
5.5.300.0050.02315.99
5.5.290.0070.04716.14
5.5.280.0070.02217.44
5.5.270.0070.04017.41
5.5.260.0100.04117.54
5.5.250.0030.03117.38
5.5.240.0070.04017.15
5.5.230.0040.00713.80
5.5.220.0110.00413.89
5.5.210.0070.01013.89
5.5.200.0070.00413.89
5.5.190.0080.00314.09
5.5.180.0090.00313.91
5.5.170.0030.00613.98
5.5.160.0000.01014.05
5.5.150.0030.00713.82
5.5.140.0030.01013.96
5.5.130.0060.01014.00
5.5.120.0090.00614.09
5.5.110.0030.01013.82
5.5.100.0030.00713.93
5.5.90.0100.00313.73
5.5.80.0090.00613.79
5.5.70.0080.00613.67
5.5.60.0040.00814.06
5.5.50.0000.01213.98
5.5.40.0040.00714.12
5.5.30.0130.00313.54
5.5.20.0040.00814.05
5.5.10.0060.00613.80
5.5.00.0030.00914.00

preferences:
43.83 ms | 401 KiB | 5 Q