3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { protected $v; function __toString() { return $this->v; } } class b { protected $v; function __toString() { return $this->v; } } $a = new a(); $b = new b(); echo $a . $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)
8.3.60.0160.00018.43
8.3.50.0110.01021.25
8.3.40.0120.00318.79
8.3.30.0080.00618.54
8.3.20.0080.00020.19
8.3.10.0080.00021.64
8.3.00.0030.00519.68
8.2.180.0090.00616.75
8.2.170.0100.00722.96
8.2.160.0070.00720.30
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00517.59
8.2.110.0080.00420.51
8.2.100.0110.00017.85
8.2.90.0040.00418.16
8.2.80.0030.00517.97
8.2.70.0050.00517.63
8.2.60.0030.00518.04
8.2.50.0030.00618.07
8.2.40.0090.00021.10
8.2.30.0040.00418.07
8.2.20.0030.00617.71
8.2.10.0050.00317.99
8.2.00.0070.00017.98
8.1.280.0120.00925.92
8.1.270.0050.00320.38
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.01022.06
8.1.230.0060.00620.91
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0090.00017.22
8.1.190.0040.00417.35
8.1.180.0020.00518.10
8.1.170.0040.00418.48
8.1.160.0070.00022.14
8.1.150.0030.00518.89
8.1.140.0030.00517.44
8.1.130.0000.00717.69
8.1.120.0030.00417.39
8.1.110.0030.00517.41
8.1.100.0000.00717.35
8.1.90.0040.00417.45
8.1.80.0030.00317.43
8.1.70.0030.00317.44
8.1.60.0030.00617.46
8.1.50.0030.00617.54
8.1.40.0040.00417.51
8.1.30.0000.00817.52
8.1.20.0030.00617.64
8.1.10.0050.00217.57
8.1.00.0000.00717.39
8.0.300.0030.00320.04
8.0.290.0040.00416.63
8.0.280.0000.00718.41
8.0.270.0000.00717.29
8.0.260.0040.00417.20
8.0.250.0040.00416.95
8.0.240.0030.00816.88
8.0.230.0000.00716.85
8.0.220.0030.00316.96
8.0.210.0000.00716.97
8.0.200.0030.00516.90
8.0.190.0040.00417.02
8.0.180.0000.00816.92
8.0.170.0000.00816.81
8.0.160.0070.00016.93
8.0.150.0000.00716.88
8.0.140.0040.00416.88
8.0.130.0000.00613.38
8.0.120.0050.00316.76
8.0.110.0040.00416.99
8.0.100.0030.00516.81
8.0.90.0000.00817.02
8.0.80.0060.00916.90
8.0.70.0040.00416.80
8.0.60.0040.00416.94
8.0.50.0080.00016.84
8.0.30.0120.00717.06
8.0.20.0050.01317.40
8.0.10.0080.00016.95
8.0.00.0050.01416.75
7.4.330.0000.00515.08
7.4.320.0040.00416.50
7.4.300.0060.00016.63
7.4.290.0050.00316.51
7.4.280.0000.00716.61
7.4.270.0000.00616.53
7.4.260.0000.00716.48
7.4.250.0000.00816.52
7.4.240.0040.00316.57
7.4.230.0000.00716.54
7.4.220.0100.01016.45
7.4.210.0040.01516.55
7.4.200.0050.00316.63
7.4.160.0070.01516.52
7.4.150.0030.01417.40
7.4.140.0120.00817.86
7.4.130.0080.01216.46
7.4.120.0090.00916.59
7.4.110.0170.00316.57
7.4.100.0040.01616.48
7.4.90.0040.01416.51
7.4.80.0210.00419.39
7.4.70.0080.00816.55
7.4.60.0080.00816.68
7.4.50.0000.00416.36
7.4.40.0100.01016.43
7.4.30.0120.01216.62
7.4.00.0030.01015.16
7.3.330.0050.00013.12
7.3.320.0000.00513.29
7.3.310.0070.00016.29
7.3.300.0000.00716.29
7.3.290.0090.00916.25
7.3.280.0110.00816.29
7.3.270.0160.00617.40
7.3.260.0070.01016.23
7.3.250.0110.01116.38
7.3.240.0090.00916.26
7.3.230.0040.01816.39
7.3.210.0120.00616.27
7.3.200.0060.01719.39
7.3.190.0120.00416.26
7.3.180.0100.00716.39
7.3.170.0090.00616.27
7.3.160.0170.00016.26
7.2.330.0110.00716.76
7.2.320.0070.01016.43
7.2.310.0100.00716.68
7.2.300.0030.01316.40
7.2.290.0000.01616.72
7.2.80.0070.00016.48
7.2.60.0070.00716.36
7.2.00.0000.01619.27
7.1.200.0290.00315.70
7.1.100.0170.00717.68
7.1.70.0000.00716.77
7.1.60.0060.00920.03
7.1.50.0080.00316.76
7.1.00.0070.07322.42
7.0.200.0050.00516.75
7.0.60.0100.07720.02
7.0.50.0100.08017.73
7.0.40.0070.08720.09
7.0.30.0330.07320.34
7.0.20.0270.06720.09
7.0.10.0000.04720.07
7.0.00.0100.08020.12
5.6.280.0070.07021.05
5.6.210.0030.07720.48
5.6.200.0070.04718.16
5.6.190.0070.06020.47
5.6.180.0430.07320.57
5.6.170.0230.03320.39
5.6.160.0030.04720.39
5.6.150.0030.08318.15
5.6.140.0200.04318.14
5.6.130.0030.04718.15
5.6.120.0070.06321.02
5.6.110.0100.03721.09
5.6.100.0170.07321.01
5.6.90.0130.05321.10
5.6.80.0100.07020.51
5.5.350.4270.03320.36
5.5.340.0100.04317.98
5.5.330.0100.08020.56
5.5.320.0200.08720.30
5.5.310.0230.03720.51
5.5.300.0030.07717.98
5.5.290.0030.08317.99
5.5.280.0070.07720.74
5.5.270.0030.04020.88
5.5.260.0100.08320.93
5.5.250.0130.08020.58
5.5.240.0000.03320.27
5.4.450.0870.06019.57
5.4.440.0770.06319.62
5.4.430.0800.05719.45
5.4.420.0830.06719.43
5.4.410.0600.06319.45
5.4.400.0770.06019.26
5.4.390.0670.06719.05
5.4.380.0970.08019.25
5.4.370.1130.06719.29
5.4.360.0870.07719.16
5.4.350.0770.07719.37
5.4.340.0700.05719.36
5.4.320.0730.06719.22
5.4.310.0770.06719.15
5.4.300.0730.05019.11
5.4.290.0700.07319.23
5.4.280.0730.06018.88
5.4.270.0700.05019.14
5.4.260.0530.06019.28
5.4.250.0700.05718.97
5.4.240.0770.04719.28
5.4.230.0970.06019.21
5.4.220.1030.06019.24
5.4.210.0700.05719.34
5.4.200.0930.05016.94
5.4.190.1000.05719.13
5.4.180.0800.07019.00
5.4.170.0800.07719.02
5.4.160.0870.06719.12
5.4.150.0800.05319.02
5.4.140.0700.07716.49
5.4.130.0800.07316.36
5.4.120.0770.07316.58
5.4.110.0770.07316.56
5.4.100.0900.06316.48
5.4.90.0730.06316.39
5.4.80.0800.05316.75
5.4.70.0770.05716.74
5.4.60.0730.06316.46
5.4.50.0530.05716.69
5.4.40.0970.06016.42
5.4.30.1000.06316.27
5.4.20.0830.05316.46
5.4.10.1000.05316.34
5.4.00.0930.06016.00

preferences:
46.94 ms | 401 KiB | 5 Q