3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private static $_count = 0; function __construct() { static::$_count++; } public function __toString(){ return static::$_count . "\n"; } } $a = new A(); $b = new A(); $c = new A(); $d = new A(); echo $a, $b, $c, $d;

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)
8.3.60.0130.00718.30
8.3.50.0130.00721.17
8.3.40.0070.00718.96
8.3.30.0030.01219.21
8.3.20.0040.00420.20
8.3.10.0050.00323.66
8.3.00.0050.00319.38
8.2.180.0160.00316.50
8.2.170.0140.00022.96
8.2.160.0070.00720.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0060.00320.50
8.2.110.0030.00722.20
8.2.100.0040.00817.72
8.2.90.0040.00419.17
8.2.80.0080.00017.97
8.2.70.0030.00517.60
8.2.60.0040.00418.04
8.2.50.0080.00018.10
8.2.40.0040.00420.45
8.2.30.0000.00718.00
8.2.20.0040.00417.66
8.2.10.0040.00418.23
8.2.00.0000.00717.66
8.1.280.0040.01125.92
8.1.270.0060.00323.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00723.84
8.1.230.0090.00322.55
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0040.00717.48
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00721.89
8.1.150.0000.00818.90
8.1.140.0000.00717.33
8.1.130.0040.00417.80
8.1.120.0000.00717.51
8.1.110.0040.00417.42
8.1.100.0070.00017.34
8.1.90.0000.00817.46
8.1.80.0000.00717.47
8.1.70.0000.00717.38
8.1.60.0080.00017.47
8.1.50.0030.00517.52
8.1.40.0040.00417.43
8.1.30.0060.00317.48
8.1.20.0000.00817.53
8.1.10.0070.00017.57
8.1.00.0000.00717.50
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.32
8.0.270.0030.00317.30
8.0.260.0030.00317.25
8.0.250.0000.00716.94
8.0.240.0000.00716.89
8.0.230.0030.00316.85
8.0.220.0040.00416.93
8.0.210.0000.00716.89
8.0.200.0070.00016.96
8.0.190.0000.00716.84
8.0.180.0050.00316.86
8.0.170.0030.00516.88
8.0.160.0040.00416.95
8.0.150.0070.00016.90
8.0.140.0000.00716.75
8.0.130.0000.00613.30
8.0.120.0000.00716.92
8.0.110.0020.00516.89
8.0.100.0000.00716.84
8.0.90.0000.00716.96
8.0.80.0060.01216.95
8.0.70.0060.00316.87
8.0.60.0040.00416.73
8.0.50.0080.00016.68
8.0.30.0090.01417.12
8.0.20.0090.00917.40
8.0.10.0040.00417.00
8.0.00.0160.00416.88
7.4.330.0060.00015.02
7.4.320.0060.00016.46
7.4.300.0060.00016.59
7.4.290.0030.00316.48
7.4.280.0070.00016.57
7.4.270.0000.00716.52
7.4.260.0030.00316.61
7.4.250.0000.00716.45
7.4.240.0040.00316.61
7.4.230.0000.00716.53
7.4.220.0090.00916.54
7.4.210.0070.00716.54
7.4.200.0040.00416.34
7.4.160.0040.01616.46
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0090.00716.48
7.4.120.0060.01316.33
7.4.110.0060.01116.35
7.4.100.0080.00816.47
7.4.90.0100.01116.41
7.4.80.0140.00419.39
7.4.70.0060.01216.56
7.4.60.0100.00716.48
7.4.50.0000.00816.61
7.4.40.0140.01116.55
7.4.30.0070.01416.52
7.4.00.0060.01114.86
7.3.330.0030.00313.16
7.3.320.0020.00213.17
7.3.310.0030.00316.34
7.3.300.0030.00316.26
7.3.290.0090.00716.26
7.3.280.0080.01016.34
7.3.270.0070.01117.40
7.3.260.0130.01016.52
7.3.250.0080.01016.40
7.3.240.0090.01316.41
7.3.230.0120.00316.39
7.3.210.0120.00616.36
7.3.200.0100.00719.39
7.3.190.0270.02016.52
7.3.180.0130.00316.54
7.3.170.0140.00316.51
7.3.160.0120.00416.66
7.2.330.0080.00916.61
7.2.320.0160.00016.53
7.2.310.0120.00416.42
7.2.300.0040.01416.86
7.2.290.0090.00916.49
7.2.00.0030.00919.39
7.1.100.0060.00617.75
7.1.70.0000.00817.27
7.1.60.0100.01319.32
7.1.50.0110.01116.94
7.1.00.0000.08022.36
7.0.200.0000.00716.58
7.0.140.0000.07721.95
7.0.60.0070.04019.86
7.0.50.0170.07717.87
7.0.40.0100.03720.18
7.0.30.0300.07020.26
7.0.20.0300.07720.33
7.0.10.0130.08320.23
7.0.00.0030.04020.05
5.6.280.0030.07320.90
5.6.210.0100.04320.55
5.6.200.0030.06018.18
5.6.190.0070.05020.61
5.6.180.3430.04720.64
5.6.170.0330.06320.48
5.6.160.0030.04320.54
5.6.150.0070.06718.16
5.6.140.0070.07018.18
5.6.130.0100.07718.17
5.6.120.0030.09021.13
5.6.110.0070.08720.89
5.6.100.0170.07321.14
5.6.90.0070.04020.98
5.6.80.0030.08020.38
5.6.70.3370.03320.34
5.5.350.0030.07020.34
5.5.340.0070.04017.95
5.5.330.0130.07320.47
5.5.320.0170.05020.35
5.5.310.0330.04720.30
5.5.300.0030.08718.06
5.5.290.0030.06017.98
5.5.280.0070.08720.77
5.5.270.0100.07320.72
5.5.260.0100.07720.88
5.5.250.0170.06720.62
5.5.240.0270.05720.26
5.4.450.0870.06319.47
5.4.440.1000.04719.62
5.4.430.0600.05719.31
5.4.420.0870.05019.60
5.4.410.0030.06019.61
5.4.400.0870.04718.84
5.4.390.0130.05319.02
5.4.380.0730.05019.29
5.4.370.0870.04719.37
5.4.360.0730.05719.12
5.4.350.0700.05319.15
5.4.340.0060.03512.02
5.4.320.0060.03612.50
5.4.310.0100.03912.50
5.4.300.0050.04012.50
5.4.290.0060.03712.50
5.4.280.0060.03612.40
5.4.270.0050.03712.40
5.4.260.0020.04112.40
5.4.250.0050.03812.40
5.4.240.0060.03612.40
5.4.230.0050.03812.39
5.4.220.0040.03812.39
5.4.210.0080.03312.39
5.4.200.0060.03712.39
5.4.190.0090.03212.39
5.4.180.0110.03012.38
5.4.170.0050.03712.39
5.4.160.0080.03412.40
5.4.150.0050.03612.39
5.4.140.0060.04212.07
5.4.130.0070.04012.06
5.4.120.0060.03612.02
5.4.110.0030.03912.02
5.4.100.0070.03712.02
5.4.90.0020.04112.02
5.4.80.0050.03712.02
5.4.70.0060.03612.01
5.4.60.0060.03512.02
5.4.50.0040.03812.01
5.4.40.0050.03612.00
5.4.30.0050.04112.00
5.4.20.0060.03512.00
5.4.10.0020.03812.00
5.4.00.0080.03411.49
5.3.290.0060.03912.80
5.3.280.0080.03612.71
5.3.270.0030.04412.72
5.3.260.0060.03912.72
5.3.250.0070.03712.72
5.3.240.0040.04112.71
5.3.230.0070.03912.71
5.3.220.0100.03312.68
5.3.210.0060.03912.68
5.3.200.0050.03712.68
5.3.190.0110.03212.68
5.3.180.0050.03912.68
5.3.170.0080.03412.67
5.3.160.0100.03212.67
5.3.150.0040.03812.67
5.3.140.0070.03512.66
5.3.130.0040.04112.66
5.3.120.0090.03512.66
5.3.110.0030.04112.66
5.3.100.0080.03512.13
5.3.90.0080.03512.11
5.3.80.0090.03312.09
5.3.70.0100.03212.09
5.3.60.0090.03312.08
5.3.50.0080.03312.03
5.3.40.0070.03412.03
5.3.30.0080.03511.99
5.3.20.0090.03111.77
5.3.10.0070.03511.73
5.3.00.0030.03811.71
5.2.170.0030.0349.22
5.2.160.0060.0289.22
5.2.150.0080.0279.23
5.2.140.0040.0319.22
5.2.130.0030.0309.18
5.2.120.0040.0299.18
5.2.110.0040.0299.18
5.2.100.0060.0339.18
5.2.90.0070.0279.18
5.2.80.0030.0369.18
5.2.70.0050.0329.18
5.2.60.0040.0319.13
5.2.50.0050.0299.10
5.2.40.0060.0299.07
5.2.30.0060.0329.05
5.2.20.0040.0299.04
5.2.10.0070.0278.94
5.2.00.0070.0268.80
5.1.60.0040.0238.09
5.1.50.0020.0268.09
5.1.40.0070.0218.06
5.1.30.0040.0268.42
5.1.20.0060.0248.44
5.1.10.0060.0238.16
5.1.00.0060.0238.17
5.0.50.0020.0216.64
5.0.40.0050.0186.50
5.0.30.0070.0316.31
5.0.20.0040.0256.28
5.0.10.0050.0256.25
5.0.00.0020.0406.25
4.4.90.0040.0204.78
4.4.80.0020.0224.76
4.4.70.0040.0204.75
4.4.60.0040.0194.75
4.4.50.0020.0224.77
4.4.40.0060.0294.71
4.4.30.0030.0194.76
4.4.20.0030.0214.84
4.4.10.0040.0214.85
4.4.00.0050.0294.75
4.3.110.0030.0224.67
4.3.100.0030.0194.66
4.3.90.0030.0164.64
4.3.80.0140.0214.58
4.3.70.0030.0214.63
4.3.60.0050.0144.63
4.3.50.0040.0204.63
4.3.40.0050.0304.54
4.3.30.0030.0213.30
4.3.20.0020.0163.28
4.3.10.0010.0163.23
4.3.00.0130.0276.87

preferences:
49.38 ms | 401 KiB | 5 Q