3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static function C() { var_dump(isset($this)); return $this->a; } public function F() { return $this; } } A::C();

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)
8.3.60.0040.01118.27
8.3.50.0130.00721.99
8.3.40.0120.00318.77
8.3.30.0080.00618.77
8.3.20.0070.00020.21
8.3.10.0120.00022.11
8.3.00.0140.00422.47
8.2.180.0070.00716.50
8.2.170.0090.00622.96
8.2.160.0140.00720.79
8.2.150.0070.01124.18
8.2.140.0120.00624.66
8.2.130.0070.00726.16
8.2.120.0100.00019.01
8.2.110.0060.00322.14
8.2.100.0060.00619.51
8.2.90.0030.00619.02
8.2.80.0000.00917.97
8.2.70.0060.00317.75
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0050.00218.22
8.2.30.0070.00017.86
8.2.20.0040.00417.75
8.2.10.0030.00519.34
8.2.00.0040.00417.61
8.1.280.0140.00725.92
8.1.270.0000.00822.24
8.1.260.0030.01026.35
8.1.250.0110.00728.09
8.1.240.0030.00623.98
8.1.230.0110.00018.88
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.43
8.1.180.0000.00718.50
8.1.170.0000.00818.59
8.1.160.0070.00021.84
8.1.150.0040.00418.57
8.1.140.0040.00417.23
8.1.130.0040.00417.71
8.1.120.0000.00717.32
8.1.110.0020.00517.21
8.1.100.0070.00017.28
8.1.90.0050.00217.29
8.1.80.0030.00517.34
8.1.70.0070.00017.29
8.1.60.0040.00417.54
8.1.50.0000.00817.44
8.1.40.0070.00017.32
8.1.30.0060.00317.57
8.1.20.0000.00817.46
8.1.10.0000.00717.46
8.1.00.0000.00817.43
8.0.300.0000.00718.77
8.0.290.0040.00417.04
8.0.280.0000.00718.32
8.0.270.0050.00217.18
8.0.260.0070.00016.71
8.0.250.0030.00316.95
8.0.240.0030.00316.91
8.0.230.0070.00016.93
8.0.220.0030.00316.78
8.0.210.0000.00716.89
8.0.200.0030.00316.92
8.0.190.0040.00416.96
8.0.180.0060.00316.81
8.0.170.0030.00316.91
8.0.160.0030.00516.84
8.0.150.0000.00816.78
8.0.140.0000.00716.75
8.0.130.0000.00513.33
8.0.120.0090.00016.86
8.0.110.0000.00816.80
8.0.100.0000.00816.95
8.0.90.0050.00316.68
8.0.80.0080.00816.81
8.0.70.0040.00416.70
8.0.60.0040.00416.95
8.0.50.0040.00416.91
8.0.30.0080.01117.09
8.0.20.0130.00517.40
8.0.10.0030.00516.74
8.0.00.0100.00716.64
7.4.330.0050.00015.00
7.4.320.0000.00616.45
7.4.300.0000.00616.33
7.4.290.0000.00716.33
7.4.280.0000.00716.50
7.4.270.0000.00816.49
7.4.260.0070.00016.28
7.4.250.0030.00516.46
7.4.240.0040.00416.48
7.4.230.0000.00716.50
7.4.220.0060.01216.54
7.4.210.0030.01116.51
7.4.200.0000.00716.33
7.4.190.0000.00716.61
7.4.160.0040.01216.57
7.4.150.0160.00617.40
7.4.140.0060.01117.86
7.4.130.0130.00716.46
7.4.120.0080.00816.45
7.4.110.0030.01316.45
7.4.100.0110.00716.63
7.4.90.0070.01116.51
7.4.80.0130.00619.39
7.4.70.0040.01116.48
7.4.60.0100.00716.66
7.4.50.0000.00816.52
7.4.40.0100.00722.77
7.4.30.0120.00616.51
7.4.00.0080.00814.98
7.3.330.0020.00213.35
7.3.320.0050.00013.17
7.3.310.0070.00016.34
7.3.300.0000.00616.37
7.3.290.0040.01116.26
7.3.280.0060.01116.33
7.3.270.0100.01017.40
7.3.260.0120.00616.38
7.3.250.0100.00716.37
7.3.240.0120.00616.53
7.3.230.0090.00916.45
7.3.210.0040.01516.30
7.3.200.0110.01119.39
7.3.190.0120.00816.46
7.3.180.0100.01216.41
7.3.170.0100.01316.34
7.3.160.0030.01316.41
7.3.120.0030.01315.07
7.2.330.0120.00616.68
7.2.320.0070.01116.67
7.2.310.0140.00316.25
7.2.300.0100.00716.65
7.2.290.0120.00316.63
7.2.60.0040.01116.54
7.2.00.0030.01018.88
7.1.200.0040.00815.79
7.1.100.0030.01318.12
7.1.70.0140.00016.73
7.1.60.0170.00719.82
7.1.50.0070.01116.89
7.1.00.0100.07022.45
7.0.200.0070.00416.74
7.0.140.0030.07321.99
7.0.60.0130.07720.01
7.0.50.0070.08717.84
7.0.40.0030.06320.13
7.0.30.0230.06020.09
7.0.20.0200.06320.10
7.0.10.0330.08020.33
7.0.00.0070.05020.19
5.6.280.0000.07721.13
5.6.210.0130.08020.45
5.6.200.0100.08318.12
5.6.190.0030.05020.39
5.6.180.3870.04020.77
5.6.170.0230.07020.62
5.6.160.0030.05720.41
5.6.150.0070.04718.16
5.6.140.0030.06718.24
5.6.130.0030.04018.12
5.6.120.0100.04721.00
5.6.110.0070.05720.99
5.6.100.0030.07021.02
5.6.90.0030.05721.07
5.6.80.0030.07720.54
5.6.70.0300.07020.37
5.5.350.0130.07320.33
5.5.340.0030.05718.04
5.5.330.0130.08020.21
5.5.320.0270.07720.42
5.5.310.0300.07020.28
5.5.300.0070.07317.98
5.5.290.0070.03717.95
5.5.280.0000.04720.88
5.5.270.0100.08020.85
5.5.260.0130.07720.73
5.5.250.0070.03720.69
5.5.240.0100.07020.16
5.4.450.3800.03319.39
5.4.440.4170.04719.40
5.4.430.3430.04019.47
5.4.420.3900.03719.31
5.4.410.3600.04019.12
5.4.400.3330.03019.09
5.4.390.3530.04018.92
5.4.380.3270.03319.07
5.4.370.3470.04018.83
5.4.360.3700.03318.98
5.4.350.3600.03719.16
5.4.340.3230.03719.07
5.4.320.3300.04018.98
5.4.310.3530.04319.08
5.4.300.3230.04018.99
5.4.290.3030.04719.14
5.4.280.3000.03019.15
5.4.270.3230.03319.05
5.4.260.3570.04018.98
5.4.250.3670.03718.91
5.4.240.0070.06718.86
5.4.230.0070.06718.85
5.4.220.4300.03718.95
5.4.210.4230.04019.10
5.4.200.4230.03718.84
5.4.190.4170.04019.07
5.4.180.3670.04018.84
5.4.170.3200.04319.05
5.4.160.3670.03019.03
5.4.150.3700.03718.90
5.4.140.0430.05716.32
5.4.130.0100.03716.40
5.4.120.3830.03316.66
5.4.110.3970.03716.45
5.4.100.3870.03716.57
5.4.90.3900.03316.54
5.4.80.3830.03716.45
5.4.70.3500.02716.25
5.4.60.3430.03316.53
5.4.50.3470.03716.51
5.4.40.3470.03716.34
5.4.30.3400.02716.13
5.4.20.3670.04316.52
5.4.10.3770.03316.44
5.4.00.3800.03315.78
5.3.290.3830.04714.58
5.3.280.3670.04014.66
5.3.270.3530.03714.50
5.3.260.3670.04014.57
5.3.250.4100.04014.62
5.3.240.0070.03314.53
5.3.230.1900.06014.61
5.3.220.4230.03314.54
5.3.210.4130.04314.57
5.3.200.4100.04314.55
5.3.190.3930.04014.55
5.3.180.4000.04314.53
5.3.170.3900.03714.53
5.3.160.3500.04314.55
5.3.150.3600.03714.55
5.3.140.3530.04014.55
5.3.130.3500.04014.54
5.3.120.3230.04314.77
5.3.110.3670.03014.54
5.3.100.3400.04014.01
5.3.90.3570.03313.92
5.3.80.3530.03714.15
5.3.70.3530.03313.93
5.3.60.3630.03314.01
5.3.50.3600.03013.96
5.3.40.4270.03713.88
5.3.30.3730.03713.93
5.3.20.4170.02713.85
5.3.10.5170.03713.67
5.3.00.3830.03713.66
5.2.170.3000.03011.08
5.2.160.3300.03011.20
5.2.150.3200.03011.31
5.2.140.2770.02311.08
5.2.130.3100.03011.20
5.2.120.3330.02311.02
5.2.110.3400.03311.28
5.2.100.3500.03311.02
5.2.90.3500.03011.11
5.2.80.3530.02711.00
5.2.70.3300.02311.09
5.2.60.3630.02711.16
5.2.50.3230.03010.92
5.2.40.2600.03010.91
5.2.30.2830.02710.94
5.2.20.2530.03311.07
5.2.10.2970.02310.95
5.2.00.2900.03310.69
5.1.60.2870.02310.00
5.1.50.2570.0279.98
5.1.40.2870.03310.02
5.1.30.2900.03010.26
5.1.20.2970.02310.43
5.1.10.2900.02310.05
5.1.00.2630.0239.97
5.0.50.1630.0178.55
5.0.40.1270.0178.41
5.0.30.1470.0308.38
5.0.20.1630.0178.18
5.0.10.1600.0208.07
5.0.00.1370.0338.16
4.4.90.1300.0175.84
4.4.80.1430.0135.76
4.4.70.1700.0205.79
4.4.60.1330.0175.79
4.4.50.1300.0175.90
4.4.40.1700.0235.92
4.4.30.1730.0135.81
4.4.20.1330.0175.94
4.4.10.1430.0205.93
4.4.00.1300.0275.82
4.3.110.1400.0175.72
4.3.100.1570.0205.81
4.3.90.1670.0175.73
4.3.80.1270.0305.67
4.3.70.1570.0135.80
4.3.60.1470.0135.71
4.3.50.1600.0175.81
4.3.40.1330.0275.67
4.3.30.0730.0235.59
4.3.20.0770.0235.59
4.3.10.0770.0275.59
4.3.00.0800.0205.59

preferences:
38.6 ms | 401 KiB | 5 Q