3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { public function __construct() { $x =& $this; $x = new stdClass; var_dump($this); } } $a = new x; echo "aa"; var_dump($a);

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)
8.3.60.0080.00616.50
8.3.50.0120.00317.50
8.3.40.0160.00018.67
8.3.30.0110.00718.68
8.3.20.0080.00018.79
8.3.10.0100.00620.34
8.3.00.0080.00019.25
8.2.180.0130.00616.38
8.2.170.0100.00322.96
8.2.160.0070.00721.13
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0050.00319.36
8.2.110.0060.00319.39
8.2.100.0080.00317.91
8.2.90.0040.00419.07
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0060.00317.93
8.2.50.0050.00318.10
8.2.40.0040.00418.22
8.2.30.0030.00717.99
8.2.20.0000.00717.58
8.2.10.0030.00517.63
8.2.00.0000.00817.68
8.1.280.0150.00325.92
8.1.270.0030.00622.06
8.1.260.0000.00926.35
8.1.250.0040.00428.09
8.1.240.0090.00024.02
8.1.230.0080.00417.70
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00817.00
8.1.190.0000.00816.88
8.1.180.0080.00018.10
8.1.170.0040.00818.72
8.1.160.0030.00318.93
8.1.150.0040.00418.59
8.1.140.0040.00417.31
8.1.130.0030.00317.89
8.1.120.0080.00017.29
8.1.110.0040.00417.37
8.1.100.0000.00717.28
8.1.90.0040.00417.39
8.1.80.0000.00717.39
8.1.70.0040.00417.28
8.1.60.0030.00617.46
8.1.50.0070.00017.46
8.1.40.0040.00417.41
8.1.30.0040.00417.62
8.1.20.0000.00817.49
8.1.10.0000.00817.44
8.1.00.0030.00517.52
8.0.300.0080.00018.77
8.0.290.0080.00016.75
8.0.280.0040.00418.55
8.0.270.0030.00317.25
8.0.260.0030.00316.72
8.0.250.0040.00416.81
8.0.240.0030.00316.85
8.0.230.0030.00316.76
8.0.220.0000.00716.79
8.0.210.0080.00016.87
8.0.200.0000.00716.72
8.0.190.0000.00716.88
8.0.180.0040.00416.73
8.0.170.0030.00616.74
8.0.160.0030.00416.91
8.0.150.0000.00016.61
8.0.140.0040.00416.79
8.0.130.0030.00313.32
8.0.120.0000.00816.68
8.0.110.0070.00016.85
8.0.100.0040.00416.89
8.0.90.0040.00416.82
8.0.80.0030.01116.81
8.0.70.0000.00816.87
8.0.60.0000.00716.85
8.0.50.0050.00316.86
8.0.30.0150.00316.77
8.0.20.0160.00617.00
8.0.10.0040.00417.03
8.0.00.0090.01016.76
7.4.330.0000.00512.91
7.4.320.0000.00716.40
7.4.300.0060.00016.65
7.4.290.0030.00316.59
7.4.280.0050.00316.52
7.4.270.0000.00716.58
7.4.260.0060.00013.28
7.4.250.0000.00916.46
7.4.240.0040.00416.46
7.4.230.0070.00016.34
7.4.220.0130.01316.35
7.4.210.0060.00816.57
7.4.200.0030.00316.64
7.4.190.0030.00516.68
7.4.160.0120.00316.62
7.4.150.0110.00516.53
7.4.140.0080.01016.51
7.4.130.0100.00716.48
7.4.120.0120.01016.54
7.4.110.0130.00316.64
7.4.100.0180.00316.48
7.4.90.0150.00916.46
7.4.80.0100.01019.39
7.4.70.0030.01416.55
7.4.60.0130.00816.47
7.4.50.0030.00616.63
7.4.40.0000.01516.45
7.4.30.0030.01316.40
7.4.00.0090.00614.96
7.3.330.0030.00313.11
7.3.320.0050.00013.24
7.3.310.0040.00416.27
7.3.300.0000.00716.11
7.3.290.0070.01016.24
7.3.280.0080.00616.20
7.3.270.0140.00316.44
7.3.260.0120.00616.23
7.3.250.0120.00616.28
7.3.240.0120.00916.29
7.3.230.0130.00716.27
7.3.210.0110.00616.41
7.3.200.0100.00616.16
7.3.190.0100.01316.14
7.3.180.0090.00616.18
7.3.170.0130.00316.39
7.3.160.0160.00016.25
7.3.120.0130.00314.68
7.3.10.0030.01316.54
7.3.00.0100.00716.27
7.2.330.0070.01416.51
7.2.320.0090.01316.64
7.2.310.0210.00216.31
7.2.300.0120.01216.80
7.2.290.0170.00016.45
7.2.130.0060.00916.64
7.2.120.0030.01016.91
7.2.110.0090.00616.74
7.2.100.0070.00716.80
7.2.90.0030.01416.91
7.2.80.0150.00016.89
7.2.70.0030.01016.71
7.2.60.0090.00416.95
7.2.50.0040.01216.70
7.2.40.0060.00916.88
7.2.30.0040.00816.69
7.2.20.0070.00716.93
7.2.10.0070.00716.86
7.2.00.0070.00418.19
7.1.250.0080.00415.93
7.1.200.0090.00615.82
7.1.100.0040.00718.04
7.1.70.0060.00616.86
7.1.60.0070.01819.40
7.1.50.0000.02216.95
7.1.00.0070.07322.41
7.0.200.0080.00414.94
7.0.140.0030.07722.07
7.0.120.0070.06721.96
7.0.60.0130.07319.88
7.0.50.0070.03717.85
7.0.40.0070.09320.13
7.0.30.0330.07720.15
7.0.20.0330.08320.16
7.0.10.0230.07020.05
7.0.00.0070.08720.06
5.6.280.0000.07320.79
5.6.210.0170.07020.71
5.6.200.0030.04018.19
5.6.190.0070.09020.66
5.6.180.0170.04320.55
5.6.170.0430.06020.47
5.6.160.0130.08020.50
5.6.150.0070.08018.21
5.6.140.0000.04318.15
5.6.130.0070.08718.21
5.6.120.0100.08021.02
5.6.110.0070.04021.13
5.6.100.0070.03721.09
5.6.90.0170.07321.00
5.6.80.0170.04320.53
5.6.70.3530.03020.39
5.5.350.0270.06720.43
5.5.340.0070.03717.97
5.5.330.0070.04020.41
5.5.320.0330.06320.19
5.5.310.0170.04020.23
5.5.300.0030.04017.95
5.5.290.0000.08017.98
5.5.280.0070.05020.80
5.5.270.0100.08020.87
5.5.260.0030.07320.61
5.5.250.0170.07320.69
5.5.240.0030.06320.26
5.4.450.0000.08319.18
5.4.440.0070.07319.57
5.4.430.0100.07719.33
5.4.420.0130.05719.48
5.4.410.0130.06719.44
5.4.400.0070.07319.01
5.4.390.0000.06719.15
5.4.380.0130.06718.87
5.4.370.0100.04319.16
5.4.360.0070.03719.16
5.4.350.0130.07319.18
5.4.340.0070.03718.87
5.4.320.0130.07019.06
5.4.310.0070.03719.24
5.4.300.0100.07318.85
5.4.290.0100.06319.11
5.4.280.0170.07318.88
5.4.270.0030.05019.00
5.4.260.0070.03719.09
5.4.250.0070.04718.86
5.4.240.0130.07718.87
5.4.230.0100.07019.18
5.4.220.0130.07318.97
5.4.210.0070.07019.07
5.4.200.0070.07318.86
5.4.190.0130.06319.23
5.4.180.0100.07718.86
5.4.170.0030.07719.23
5.4.160.0030.07019.14
5.4.150.0100.07719.18
5.4.140.0130.03716.33
5.4.130.0170.03316.52
5.4.120.0000.07716.40
5.4.110.0270.04016.30
5.4.100.0030.06016.28
5.4.90.0030.06016.43
5.4.80.0070.04016.39
5.4.70.0070.06016.28
5.4.60.0100.03316.65
5.4.50.0000.04316.38
5.4.40.0070.06316.36
5.4.30.0070.04016.27
5.4.20.0030.03316.31
5.4.10.0030.03716.31
5.4.00.0000.04015.76
5.3.290.0070.05714.66
5.3.280.0070.07714.48
5.3.270.0000.05314.76
5.3.260.0070.04314.61
5.3.250.0130.03014.63
5.3.240.0070.07714.65
5.3.230.0130.06014.60
5.3.220.0000.08714.48
5.3.210.0030.05014.62
5.3.200.0070.07314.61
5.3.190.0000.05014.72
5.3.180.0200.03314.63
5.3.170.0100.03314.71
5.3.160.0030.05314.70
5.3.150.0070.03714.63
5.3.140.0100.03314.56
5.3.130.0030.04014.46
5.3.120.0070.03314.55
5.3.110.0000.04014.55
5.3.100.0170.02314.02
5.3.90.0030.03314.04
5.3.80.0030.04013.99
5.3.70.0000.04013.97
5.3.60.0070.03314.00
5.3.50.0030.03313.94
5.3.40.0100.03013.94
5.3.30.0070.03314.06
5.3.20.0100.03013.61
5.3.10.0030.03313.57
5.3.00.0030.04013.53
5.2.170.0030.03011.21
5.2.160.0030.02711.11
5.2.150.0070.02311.04
5.2.140.0070.02711.11
5.2.130.0070.02711.18
5.2.120.0000.03011.27
5.2.110.0000.03011.07
5.2.100.0030.04011.18
5.2.90.0030.02711.08
5.2.80.0000.03011.10
5.2.70.0000.03011.02
5.2.60.0100.04310.97
5.2.50.0070.04010.98
5.2.40.0000.03311.16
5.2.30.0070.02710.93
5.2.20.0070.04310.92
5.2.10.0000.03010.85
5.2.00.0000.06010.72
5.1.60.0000.03010.15
5.1.50.0000.0279.99
5.1.40.0030.02710.01
5.1.30.0000.02710.35
5.1.20.0030.03010.36
5.1.10.0030.02310.05
5.1.00.0000.02710.22
5.0.50.0000.0208.70
5.0.40.0000.0208.70
5.0.30.0000.0338.70
5.0.20.0070.0138.70
5.0.10.0030.0208.70
5.0.00.0000.0308.70
4.4.90.0070.0108.70
4.4.80.0030.0338.70
4.4.70.0030.0338.70
4.4.60.0030.0138.70
4.4.50.0030.0178.70
4.4.40.0030.0308.70
4.4.30.0000.0238.70
4.4.20.0000.0178.70
4.4.10.0000.0178.70
4.4.00.0030.0238.70
4.3.110.0000.0138.70
4.3.100.0030.0138.70
4.3.90.0000.0178.70
4.3.80.0030.0238.70
4.3.70.0000.0178.70
4.3.60.0030.0108.70
4.3.50.0000.0178.70
4.3.40.0000.0278.70
4.3.30.0000.0138.70
4.3.20.0000.0138.70
4.3.10.0000.0178.70
4.3.00.0030.0108.70

preferences:
48.98 ms | 401 KiB | 5 Q