3v4l.org

run code in 300+ PHP versions simultaneously
<?php class zyf{ public $a=4; public $b=5; function zyf() { $this->$a; $this->$b; } function add($a,$b) { $c=$a+$b; echo $c; } } $xin = new zyf(); $xin->add(); ?>

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)
8.3.60.0080.00818.41
8.3.50.0120.00617.42
8.3.40.0090.00618.58
8.3.30.0150.00018.70
8.3.20.0040.00418.78
8.3.10.0090.00018.73
8.3.00.0000.00819.13
8.2.180.0090.01225.92
8.2.170.0070.01319.08
8.2.160.0070.00722.96
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0090.00020.79
8.2.110.0090.00020.34
8.2.100.0130.00017.78
8.2.90.0000.00817.75
8.2.80.0000.00818.76
8.2.70.0060.00317.50
8.2.60.0030.00617.93
8.2.50.0090.00018.07
8.2.40.0000.00919.13
8.2.30.0040.00417.64
8.2.20.0000.01017.62
8.2.10.0070.00017.60
8.2.00.0000.00817.67
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00320.79
8.1.230.0030.00717.64
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0060.00317.10
8.1.180.0000.00718.10
8.1.170.0030.00618.85
8.1.160.0000.00719.04
8.1.150.0040.00418.70
8.1.140.0000.00717.30
8.1.130.0000.00817.35
8.1.120.0040.00417.36
8.1.110.0030.00517.21
8.1.100.0030.00317.27
8.1.90.0040.00417.34
8.1.80.0000.00717.41
8.1.70.0030.00317.40
8.1.60.0000.01117.45
8.1.50.0000.00717.39
8.1.40.0030.00617.57
8.1.30.0050.00317.70
8.1.20.0040.00417.54
8.1.10.0040.00417.57
8.1.00.0000.00817.46
8.0.300.0070.00018.77
8.0.290.0000.00816.75
8.0.280.0000.00818.56
8.0.270.0030.00317.09
8.0.260.0000.00716.75
8.0.250.0000.00716.93
8.0.240.0080.00016.83
8.0.230.0070.00016.88
8.0.220.0030.00316.87
8.0.210.0050.00316.89
8.0.200.0030.00316.81
8.0.190.0060.00316.93
8.0.180.0090.00016.77
8.0.170.0060.00316.83
8.0.160.0030.00316.95
8.0.150.0060.00316.83
8.0.140.0110.00016.75
8.0.130.0000.00513.27
8.0.120.0040.00416.89
8.0.110.0040.00416.80
8.0.100.0040.00416.66
8.0.90.0070.00016.74
8.0.80.0130.00916.94
8.0.70.0030.00516.71
8.0.60.0030.00616.80
8.0.50.0030.00616.90
8.0.30.0090.00817.28
8.0.20.0170.00216.96
8.0.10.0000.00816.86
8.0.00.0100.00816.55
7.4.330.0050.00012.95
7.4.320.0000.00616.39
7.4.300.0020.00516.64
7.4.290.0040.00416.49
7.4.280.0080.00016.48
7.4.270.0030.00316.64
7.4.260.0050.00013.19
7.4.250.0040.00416.45
7.4.240.0040.00416.52
7.4.230.0050.00516.58
7.4.220.0040.01416.51
7.4.210.0050.00816.46
7.4.200.0040.00416.68
7.4.190.0040.00416.38
7.4.160.0090.00616.48
7.4.150.0000.01816.60
7.4.140.0150.00416.64
7.4.130.0130.00416.53
7.4.120.0070.01016.39
7.4.110.0030.01416.57
7.4.100.0060.01416.37
7.4.90.0070.01016.52
7.4.80.0110.01419.39
7.4.70.0130.00316.40
7.4.60.0100.00716.54
7.4.50.0050.00016.55
7.4.40.0080.01116.45
7.4.30.0130.00416.45
7.4.00.0100.00614.77
7.3.330.0030.00313.28
7.3.320.0000.00613.41
7.3.310.0000.00816.31
7.3.300.0030.00316.29
7.3.290.0000.01416.43
7.3.280.0080.01016.37
7.3.270.0140.00416.60
7.3.260.0110.00716.32
7.3.250.0090.01216.43
7.3.240.0080.00816.29
7.3.230.0060.01116.56
7.3.210.0120.01216.39
7.3.200.0120.00916.70
7.3.190.0100.00716.52
7.3.180.0150.00016.29
7.3.170.0060.00916.47
7.3.160.0140.00316.32
7.3.120.0110.00314.85
7.2.330.0030.01316.75
7.2.320.0120.01216.62
7.2.310.0030.01516.80
7.2.300.0150.00316.58
7.2.290.0090.01216.48
7.2.60.0000.01217.00
7.1.200.0120.00315.74
7.1.100.0040.01418.08
7.1.70.0000.01017.06
7.1.60.0070.01719.30
7.1.50.0100.01417.00
7.1.00.0000.06022.48
7.0.200.0000.01016.76
7.0.140.0100.06722.00
7.0.60.0030.07719.93
7.0.50.0170.06717.86
7.0.40.0070.08020.25
7.0.30.0200.05020.19
7.0.20.0200.03720.23
7.0.10.0200.04320.09
7.0.00.0100.08020.07
5.6.280.0070.07021.05
5.6.210.0030.04020.70
5.6.200.0130.04318.18
5.6.190.0030.07020.48
5.6.180.0330.07320.44
5.6.170.0230.08020.54
5.6.160.0070.08320.61
5.6.150.0100.08318.15
5.6.140.0100.07718.27
5.6.130.0030.04318.15
5.6.120.0070.05021.12
5.6.110.0100.08321.14
5.6.100.0000.07721.01
5.6.90.0070.05320.99
5.6.80.0030.08320.37
5.6.70.0200.05020.39
5.5.350.0230.07320.54
5.5.340.0100.05717.95
5.5.330.0070.07320.45
5.5.320.0300.04720.54
5.5.310.0330.07020.41
5.5.300.0000.04318.08
5.5.290.0100.07717.95
5.5.280.0200.07320.74
5.5.270.0070.04320.88
5.5.260.0130.03720.89
5.5.250.0130.04720.58
5.5.240.0000.08020.24
5.4.450.0130.07719.47
5.4.440.0030.05319.46
5.4.430.0070.07719.32
5.4.420.0070.08019.17
5.4.410.0000.05719.34
5.4.400.0070.07718.86
5.4.390.0070.05018.85
5.4.380.0100.07319.14
5.4.370.0100.04719.12
5.4.360.0130.07319.15
5.4.350.0030.03718.98
5.4.340.0100.05718.96
5.4.320.0070.07719.24
5.4.310.0130.04019.24
5.4.300.0030.08019.14
5.4.290.0230.06319.11
5.4.280.0030.04719.24
5.4.270.0130.07319.14
5.4.260.0070.05319.15
5.4.250.0030.04019.24
5.4.240.0100.05318.97
5.4.230.0130.07019.00
5.4.220.0100.07019.20
5.4.210.0100.03319.14
5.4.200.0030.08318.84
5.4.190.0130.07319.23
5.4.180.0070.07719.14
5.4.170.0030.06019.14
5.4.160.0070.07018.97
5.4.150.0030.04318.89
5.4.140.0070.06716.43
5.4.130.0000.04016.34
5.4.120.0030.05016.42
5.4.110.0100.06716.28
5.4.100.0100.07016.47
5.4.90.0130.06316.50
5.4.80.0030.06716.49
5.4.70.0130.03716.28
5.4.60.0170.06316.26
5.4.50.0100.03016.38
5.4.40.0070.07716.55
5.4.30.0100.06016.38
5.4.20.0030.08016.38
5.4.10.0100.07016.42
5.4.00.0070.04716.03
5.3.290.0030.04014.68
5.3.280.0130.06314.61
5.3.270.0030.04014.61
5.3.260.0000.06014.77
5.3.250.0100.07314.61
5.3.240.0130.05014.63
5.3.230.0100.07314.61
5.3.220.0130.07014.58
5.3.210.0100.07314.56
5.3.200.0100.06314.48
5.3.190.0070.06714.57
5.3.180.0030.06714.57
5.3.170.0070.07314.59
5.3.160.0070.07314.57
5.3.150.0030.04314.56
5.3.140.0000.05714.58
5.3.130.0070.07714.58
5.3.120.0030.07714.54
5.3.110.0070.07014.56
5.3.100.0100.06714.05
5.3.90.0070.04714.06
5.3.80.0130.06714.02
5.3.70.0100.07014.07
5.3.60.0000.08014.02
5.3.50.0000.06313.84
5.3.40.0130.04713.87
5.3.30.0200.05014.08
5.3.20.0000.04713.69
5.3.10.0000.04713.71
5.3.00.0100.03013.69
5.2.170.0070.06011.12
5.2.160.0030.05311.08
5.2.150.0000.07011.13
5.2.140.0070.06011.07
5.2.130.0070.06011.08
5.2.120.0000.07011.18
5.2.110.0100.03011.29
5.2.100.0000.03711.11
5.2.90.0100.04711.18
5.2.80.0130.05711.18
5.2.70.0000.05011.20
5.2.60.0030.03311.08
5.2.50.0100.03011.03
5.2.40.0030.06310.88
5.2.30.0030.03710.97
5.2.20.0030.06310.97
5.2.10.0070.03710.88
5.2.00.0000.06310.77
5.1.60.0000.05710.15
5.1.50.0000.0609.90
5.1.40.0000.0279.89
5.1.30.0070.05710.27
5.1.20.0070.05310.28
5.1.10.0030.05010.09
5.1.00.0130.05010.04
5.0.50.0000.0278.58
5.0.40.0030.0378.58
5.0.30.0000.0338.58
5.0.20.0000.0338.58
5.0.10.0030.0438.58
5.0.00.0030.0478.58
4.4.90.0000.0208.58
4.4.80.0000.0338.58
4.4.70.0070.0308.58
4.4.60.0070.0338.58
4.4.50.0030.0308.58
4.4.40.0030.0408.58
4.4.30.0030.0178.58
4.4.20.0070.0308.58
4.4.10.0070.0338.58
4.4.00.0070.0438.58
4.3.110.0000.0378.58
4.3.100.0030.0338.58
4.3.90.0030.0338.58
4.3.80.0030.0538.58
4.3.70.0030.0338.58
4.3.60.0030.0238.58
4.3.50.0000.0308.58
4.3.40.0000.0308.58
4.3.30.0000.0278.58
4.3.20.0000.0308.58
4.3.10.0000.0178.58
4.3.00.0000.0178.58

preferences:
42.9 ms | 401 KiB | 5 Q