3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static $var = "Hello"; public function output() { $a = "var"; echo($this::$a); } } $a = new A(); $a->output();

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)
8.3.70.0090.00618.43
8.3.60.0070.00718.40
8.3.50.0150.00621.18
8.3.40.0060.00918.83
8.3.30.0120.00618.63
8.3.20.0050.00220.18
8.3.10.0090.00023.52
8.3.00.0030.00522.34
8.2.190.0110.00316.58
8.2.180.0070.01416.88
8.2.170.0100.00322.96
8.2.160.0090.00620.34
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0110.00726.16
8.2.120.0000.00820.49
8.2.110.0040.00720.52
8.2.100.0070.00417.88
8.2.90.0050.00319.21
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0050.00317.80
8.2.50.0080.00318.07
8.2.40.0080.00021.06
8.2.30.0030.00519.79
8.2.20.0000.00817.55
8.2.10.0000.00817.95
8.2.00.0040.00418.04
8.1.280.0100.00325.92
8.1.270.0080.00020.14
8.1.260.0120.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.05
8.1.230.0110.00017.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0030.00617.00
8.1.180.0030.00618.10
8.1.170.0040.00418.50
8.1.160.0040.00421.88
8.1.150.0040.00418.81
8.1.140.0000.00817.32
8.1.130.0090.00017.63
8.1.120.0000.00817.42
8.1.110.0050.00217.42
8.1.100.0080.00017.35
8.1.90.0040.00417.24
8.1.80.0040.00417.43
8.1.70.0050.00317.30
8.1.60.0080.00017.61
8.1.50.0030.00817.51
8.1.40.0000.00817.57
8.1.30.0000.00817.50
8.1.20.0000.00717.71
8.1.10.0040.00417.43
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.28
8.0.270.0030.00317.14
8.0.260.0030.00317.18
8.0.250.0040.00416.97
8.0.240.0080.00016.86
8.0.230.0030.00416.83
8.0.220.0030.00316.95
8.0.210.0000.00816.87
8.0.200.0000.00716.90
8.0.190.0060.00316.84
8.0.180.0050.00216.86
8.0.170.0040.00416.79
8.0.160.0040.00416.79
8.0.150.0000.00716.81
8.0.140.0000.00716.82
8.0.130.0060.00013.33
8.0.120.0080.00016.73
8.0.110.0020.00516.93
8.0.100.0030.00516.91
8.0.90.0050.00316.90
8.0.80.0040.01816.80
8.0.70.0040.00416.68
8.0.60.0040.00416.82
8.0.50.0040.00416.68
8.0.30.0140.00317.18
8.0.20.0090.00917.40
8.0.10.0000.00717.01
8.0.00.0070.01216.75
7.4.330.0070.00015.08
7.4.320.0030.00316.53
7.4.300.0060.00016.51
7.4.290.0000.00716.57
7.4.280.0030.00516.41
7.4.270.0000.00716.60
7.4.260.0030.00316.47
7.4.250.0080.00016.36
7.4.240.0020.00516.49
7.4.230.0000.00716.57
7.4.220.0120.01016.70
7.4.210.0070.00916.54
7.4.200.0080.00016.61
7.4.160.0080.00816.38
7.4.150.0110.00717.40
7.4.140.0080.01117.86
7.4.130.0130.00716.56
7.4.120.0100.00816.56
7.4.110.0100.00716.61
7.4.100.0140.00916.49
7.4.90.0100.00716.65
7.4.80.0110.01019.39
7.4.70.0060.01216.61
7.4.60.0080.00816.63
7.4.50.0030.00516.31
7.4.40.0140.00316.61
7.4.30.0060.01216.41
7.4.00.0090.00315.07
7.3.330.0040.00413.35
7.3.320.0030.00313.27
7.3.310.0030.00316.20
7.3.300.0030.00316.21
7.3.290.0030.00316.40
7.3.280.0130.00816.33
7.3.270.0120.00617.40
7.3.260.0100.01016.45
7.3.250.0130.00716.34
7.3.240.0180.00416.36
7.3.230.0100.00616.51
7.3.210.0130.00316.54
7.3.200.0060.01319.39
7.3.190.0100.00616.35
7.3.180.0140.00316.39
7.3.170.0100.01016.46
7.3.160.0100.00616.62
7.3.10.0040.01216.51
7.3.00.0070.01016.50
7.2.330.0090.00916.56
7.2.320.0140.01016.28
7.2.310.0070.01116.76
7.2.300.0030.01316.59
7.2.290.0120.00916.32
7.2.130.0060.00916.75
7.2.120.0090.00616.88
7.2.110.0030.01317.01
7.2.100.0140.00716.56
7.2.90.0070.00717.05
7.2.80.0070.01116.93
7.2.70.0140.00717.00
7.2.60.0050.00916.85
7.2.50.0090.00916.72
7.2.40.0100.01016.95
7.2.30.0060.00616.89
7.2.20.0100.00317.07
7.2.10.0040.01516.66
7.2.00.0050.00818.20
7.1.250.0090.00015.63
7.1.200.0100.00315.57
7.1.100.0040.01118.05
7.1.70.0000.01016.97
7.1.60.0060.01920.03
7.1.50.0100.00716.99
7.1.00.0070.07322.54
7.0.200.0180.00716.36
7.0.60.0070.07019.92
7.0.50.0100.05317.87
7.0.40.0070.05320.26
7.0.30.0470.05320.23
7.0.20.0200.04720.16
7.0.10.0270.08020.19
7.0.00.0030.08320.08
5.6.280.0100.06020.91
5.6.210.0000.04320.50
5.6.200.0070.08718.16
5.6.190.0100.08720.47
5.6.180.0270.05320.48
5.6.170.0330.07020.39
5.6.160.0130.03320.52
5.6.150.0030.04018.15
5.6.140.0130.03018.18
5.6.130.0130.08018.19
5.6.120.0070.07021.20
5.6.110.0100.05320.98
5.6.100.0030.07021.01
5.6.90.0030.09320.97
5.6.80.0070.04320.38
5.6.70.3400.04020.35
5.5.350.0200.07320.41
5.5.340.0100.03318.03
5.5.330.0030.05320.31
5.5.320.0400.07020.34
5.5.310.0070.05020.30
5.5.300.0030.06017.95
5.5.290.0170.06017.95
5.5.280.0070.04720.73
5.5.270.0030.04720.88
5.5.260.0070.08320.87
5.5.250.0130.07020.69
5.5.240.0230.07720.26
5.4.450.0800.05719.61
5.4.440.0600.06319.47
5.4.430.0430.05319.30
5.4.420.0500.05719.55
5.4.410.0530.05719.21
5.4.400.0600.04718.84
5.4.390.0230.05319.03
5.4.380.0630.05719.25
5.4.370.0730.04719.30
5.4.360.0500.06319.26
5.4.350.0770.05319.06
5.4.340.0670.05719.25
5.4.320.0770.04319.31
5.4.310.0670.05719.01
5.4.300.0670.05319.37
5.4.290.0670.05319.12
5.4.280.0600.06019.28
5.4.270.0630.05019.25
5.4.260.0730.04318.99
5.4.250.0470.06019.13
5.4.240.0600.06319.14
5.4.230.0630.05319.00
5.4.220.0470.04719.16
5.4.210.0030.05719.18
5.4.200.0570.05716.80
5.4.190.0700.05019.09
5.4.180.0000.06019.24
5.4.170.0630.04719.00
5.4.160.0430.06019.04
5.4.150.0670.05719.26
5.4.140.0570.05016.54
5.4.130.0270.05316.50
5.4.120.0770.05316.54
5.4.110.0600.05716.38
5.4.100.0470.05716.34
5.4.90.0630.04716.34
5.4.80.0870.04716.30
5.4.70.0600.07016.32
5.4.60.0370.05716.33
5.4.50.0000.04316.55
5.4.40.0030.04716.42
5.4.30.0000.07316.52
5.4.20.0130.04016.42

preferences:
51.59 ms | 401 KiB | 5 Q