3v4l.org

run code in 300+ PHP versions simultaneously
<?php function println($msg) { echo $msg . PHP_EOL; } abstract class A { protected $wat = 'aaaa'; public function a() { println('a(): ' . $this->wat); } } class B extends A { protected $wat = 'bbbb'; public function b() { println('b(): ' . $this->wat); } } $b = new B; $b->a(); $b->b();

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)
8.3.60.0130.00716.50
8.3.50.0120.01021.96
8.3.40.0100.00718.84
8.3.30.0100.00319.07
8.3.20.0040.00420.29
8.3.10.0000.00823.78
8.3.00.0080.00020.80
8.2.180.0110.01416.75
8.2.170.0040.01122.96
8.2.160.0030.01020.53
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0000.00720.44
8.2.110.0060.00321.02
8.2.100.0120.00017.78
8.2.90.0090.00019.08
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0060.00617.89
8.2.50.0000.00818.10
8.2.40.0040.00419.84
8.2.30.0100.00018.18
8.2.20.0050.00217.74
8.2.10.0040.00417.95
8.2.00.0030.00717.74
8.1.280.0040.01125.92
8.1.270.0060.00322.14
8.1.260.0080.00026.35
8.1.250.0040.01128.09
8.1.240.0030.00622.21
8.1.230.0040.00717.82
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.01017.35
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0040.00418.49
8.1.160.0000.00822.01
8.1.150.0000.00718.58
8.1.140.0050.00217.30
8.1.130.0070.00017.79
8.1.120.0040.00417.46
8.1.110.0070.00017.40
8.1.100.0050.00317.29
8.1.90.0040.00417.42
8.1.80.0000.00817.45
8.1.70.0040.00417.39
8.1.60.0080.00017.51
8.1.50.0000.00817.51
8.1.40.0000.01117.45
8.1.30.0000.01017.66
8.1.20.0080.00017.50
8.1.10.0040.00417.48
8.1.00.0000.00717.37
8.0.300.0000.00718.77
8.0.290.0050.00216.75
8.0.280.0070.00018.36
8.0.270.0000.00717.29
8.0.260.0030.00317.17
8.0.250.0030.00316.89
8.0.240.0000.00717.02
8.0.230.0060.00316.89
8.0.220.0000.00616.81
8.0.210.0070.00016.88
8.0.200.0080.00016.95
8.0.190.0050.00316.98
8.0.180.0070.00816.93
8.0.170.0000.00816.92
8.0.160.0050.00316.84
8.0.150.0000.00816.73
8.0.140.0040.00416.87
8.0.130.0000.00613.32
8.0.120.0080.00016.85
8.0.110.0020.00516.88
8.0.100.0080.00016.89
8.0.90.0000.00716.82
8.0.80.0110.00716.90
8.0.70.0040.00416.88
8.0.60.0080.00016.76
8.0.50.0070.00016.92
8.0.30.0110.01417.11
8.0.20.0160.00317.40
8.0.10.0040.00416.99
8.0.00.0070.01416.89
7.4.330.0000.00515.01
7.4.320.0030.00316.58
7.4.300.0000.00716.49
7.4.290.0030.00316.52
7.4.280.0030.00316.42
7.4.270.0000.00716.61
7.4.260.0030.00316.47
7.4.250.0080.00016.53
7.4.240.0020.00616.54
7.4.230.0000.00616.55
7.4.220.0040.01416.56
7.4.210.0050.01116.55
7.4.200.0040.00416.70
7.4.190.0030.00316.75
7.4.160.0000.02116.64
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0060.01216.58
7.4.120.0090.00716.56
7.4.110.0140.00216.69
7.4.100.0060.01616.56
7.4.90.0070.01416.58
7.4.80.0130.00619.39
7.4.70.0090.00616.70
7.4.60.0060.00916.32
7.4.50.0000.00816.66
7.4.40.0060.01016.50
7.4.30.0060.01016.51
7.4.00.0070.01114.75
7.3.330.0000.00513.18
7.3.320.0000.00513.29
7.3.310.0030.00316.22
7.3.300.0050.00316.30
7.3.290.0030.01616.34
7.3.280.0070.01116.34
7.3.270.0040.01417.40
7.3.260.0190.00616.59
7.3.250.0060.01416.54
7.3.240.0140.01116.41
7.3.230.0110.00516.51
7.3.210.0030.01516.48
7.3.200.0100.01019.39
7.3.190.0120.00616.43
7.3.180.0060.00916.53
7.3.170.0040.01116.45
7.3.160.0080.00816.39
7.3.120.0090.00614.79
7.3.10.0090.00316.73
7.3.00.0060.00616.64
7.2.330.0070.01616.87
7.2.320.0100.01416.64
7.2.310.0100.01016.69
7.2.300.0030.01316.40
7.2.290.0100.00816.74
7.2.130.0030.01017.01
7.2.120.0030.01216.89
7.2.110.0060.00616.79
7.2.100.0130.00016.74
7.2.90.0030.00716.90
7.2.80.0000.01416.98
7.2.70.0000.01416.89
7.2.60.0050.00816.82
7.2.50.0060.00616.99
7.2.40.0060.00917.06
7.2.30.0060.00316.89
7.2.20.0040.01116.71
7.2.10.0060.00616.66
7.2.00.0030.01016.76
7.1.250.0040.00815.84
7.1.200.0080.00815.91
7.1.70.0000.00717.13
7.1.60.0070.01719.46
7.1.50.0130.01016.80
7.1.00.0070.07722.29
7.0.200.0030.00316.82
7.0.140.0070.06722.21
7.0.100.0130.08320.07
7.0.90.0130.08319.92
7.0.80.0100.08019.90
7.0.70.0130.07720.01
7.0.60.0170.07319.96
7.0.50.0070.08720.28
7.0.40.0100.06720.10
7.0.30.0130.08320.15
7.0.20.0100.07720.15
7.0.10.0100.08020.00
7.0.00.0100.08020.07
5.6.280.0100.06720.91
5.6.250.0000.04720.73
5.6.240.0130.07020.62
5.6.230.0070.08320.64
5.6.220.0130.07320.55
5.6.210.0100.06320.67
5.6.200.0030.08320.98
5.6.190.0200.06021.05
5.6.180.0170.07021.13
5.6.170.0100.04721.06
5.6.160.0100.08021.07
5.6.150.0070.08321.10
5.6.140.0100.07721.07
5.6.130.0100.08021.07
5.6.120.0100.08021.12
5.6.110.0070.08320.96
5.6.100.0100.07721.02
5.6.90.0130.08321.13
5.6.80.0130.06720.42
5.6.70.0070.08020.48
5.6.60.0070.08320.49
5.6.50.0130.06720.41
5.6.40.0100.04320.42
5.6.30.0100.07320.41
5.6.20.0170.06020.38
5.6.10.0100.07020.47
5.6.00.0100.07020.38
5.5.380.0170.05720.39
5.5.370.0100.08020.41
5.5.360.0030.08020.56
5.5.350.0070.08720.44
5.5.340.0100.07320.85
5.5.330.0070.08720.91
5.5.320.0070.07720.93
5.5.310.0100.08020.65
5.5.300.0070.07720.89
5.5.290.0100.06320.84
5.5.280.0100.08020.79
5.5.270.0030.08720.87
5.5.260.0130.07720.83
5.5.250.0130.05320.74
5.5.240.0100.07320.27
5.5.230.0070.07320.03
5.5.220.0230.03720.32
5.5.210.0100.07720.27
5.5.200.0100.07320.18
5.5.190.0200.06720.09
5.5.180.0070.08020.19
5.5.160.0070.04720.22
5.5.150.0070.07320.22
5.5.140.0100.07320.19
5.5.130.0200.07020.29
5.5.120.0100.03720.20
5.5.110.0070.08019.99
5.5.100.0170.07020.07
5.5.90.0170.07020.09
5.5.80.0070.07719.98
5.5.70.0170.06720.09
5.5.60.0100.07020.14
5.5.50.0100.04319.97
5.5.40.0100.03320.15
5.5.30.0070.08320.04
5.5.20.0100.08020.12
5.5.10.0030.07320.07
5.5.00.0030.07719.97
5.4.450.0100.07319.46
5.4.440.0170.07319.35
5.4.430.0070.08019.36
5.4.420.0030.09019.55
5.4.410.0070.06719.40
5.4.400.0100.07019.05
5.4.390.0030.07019.05
5.4.380.0130.07018.83
5.4.370.0130.07318.88
5.4.360.0070.07719.21
5.4.350.0070.07319.04
5.4.340.0100.07018.85
5.4.320.0200.05719.21
5.4.310.0070.05019.13
5.4.300.0170.06719.05
5.4.290.0030.08019.13
5.4.280.0070.07319.08
5.4.270.0070.07319.16
5.4.260.0130.07718.88
5.4.250.0100.06719.11
5.4.240.0070.05018.89
5.4.230.0070.07718.89
5.4.220.0000.08718.90
5.4.210.0070.06719.05
5.4.200.0070.07719.20
5.4.190.0030.04719.12
5.4.180.0070.03319.02
5.4.170.0030.07719.12
5.4.160.0030.05019.03
5.4.150.0130.07019.02
5.4.140.0130.07316.31
5.4.130.0070.07016.47
5.4.120.0100.07016.47
5.4.110.0030.07316.40
5.4.100.0070.07016.39
5.4.90.0030.07316.39
5.4.80.0100.04016.48
5.4.70.0100.06716.39
5.4.60.0030.04716.48
5.4.50.0070.07016.32
5.4.40.0030.07716.42
5.4.30.0030.07316.26
5.4.20.0100.06716.32
5.4.10.0070.07016.44
5.4.00.0030.04715.79
5.3.290.0100.07714.74
5.3.280.0030.07714.57
5.3.270.0030.07314.59
5.3.260.0100.08014.64
5.3.250.0070.07314.69
5.3.240.0100.06714.75
5.3.230.0070.06714.66
5.3.220.0070.06714.51
5.3.210.0130.03714.56
5.3.200.0030.08314.63
5.3.190.0000.07714.69
5.3.180.0070.08014.63
5.3.170.0070.07714.62
5.3.160.0070.07314.49
5.3.150.0030.07714.63
5.3.140.0070.07714.61
5.3.130.0070.04714.62
5.3.120.0100.07014.67
5.3.110.0000.05714.48
5.3.100.0030.07014.05
5.3.90.0100.06714.12
5.3.80.0130.04314.01
5.3.70.0070.07714.04
5.3.60.0070.07714.12
5.3.50.0130.06313.88
5.3.40.0100.07013.84
5.3.30.0000.08013.91
5.3.20.0070.06713.71
5.3.10.0070.07013.55
5.3.00.0030.07013.76
5.2.170.0130.04711.07
5.2.160.0070.05711.17
5.2.150.0070.06311.25
5.2.140.0000.04711.18
5.2.130.0070.06311.02
5.2.120.0000.05711.02
5.2.110.0030.06311.16
5.2.100.0070.06011.24
5.2.90.0130.05010.97
5.2.80.0030.06311.11
5.2.70.0030.07011.21
5.2.60.0070.06010.95
5.2.50.0070.06011.14
5.2.40.0100.05711.03
5.2.30.0100.05311.01
5.2.20.0030.03710.83
5.2.10.0070.05310.82
5.2.00.0030.03710.58
5.1.60.0100.04710.00
5.1.50.0000.06010.07
5.1.40.0030.05010.06
5.1.30.0070.05310.48
5.1.20.0070.03010.45
5.1.10.0000.05310.16
5.1.00.0070.05010.20
5.0.50.0070.0438.43
5.0.40.0070.0438.52
5.0.30.0030.0608.30
5.0.20.0070.0408.20
5.0.10.0030.0338.28
5.0.00.0070.0608.18
4.4.90.0030.0338.14
4.4.80.0030.0378.14
4.4.70.0000.0378.14
4.4.60.0070.0278.14
4.4.50.0000.0408.14
4.4.40.0030.0408.14
4.4.30.0000.0378.14
4.4.20.0100.0208.14
4.4.10.0000.0238.14
4.4.00.0030.0578.14
4.3.110.0030.0338.14
4.3.100.0000.0378.14
4.3.90.0100.0278.14
4.3.80.0000.0538.14
4.3.70.0030.0308.14
4.3.60.0000.0308.14
4.3.50.0070.0308.14
4.3.40.0100.0438.14
4.3.30.0000.0378.14
4.3.20.0000.0378.14
4.3.10.0000.0378.14
4.3.00.0000.0338.14

preferences:
47.3 ms | 401 KiB | 5 Q