3v4l.org

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

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)
8.3.40.0090.00618.46
8.3.30.0110.00320.17
8.3.20.0030.00518.74
8.3.10.0050.00321.10
8.3.00.0040.00422.28
8.2.170.0120.00322.96
8.2.160.0070.00720.57
8.2.150.0040.00424.18
8.2.140.0070.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.75
8.2.110.0030.00721.02
8.2.100.0060.00617.78
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0030.00517.36
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0040.00418.07
8.2.30.0000.00719.33
8.2.20.0060.00317.52
8.2.10.0000.00717.53
8.2.00.0000.00917.57
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00019.22
8.1.230.0110.00020.96
8.1.220.0090.00018.77
8.1.210.0000.00818.84
8.1.200.0060.00317.23
8.1.190.0060.00317.28
8.1.180.0060.00318.10
8.1.170.0030.00618.46
8.1.160.0070.00018.79
8.1.150.0060.00318.45
8.1.140.0030.00617.43
8.1.130.0020.00517.81
8.1.120.0050.00317.44
8.1.110.0000.00717.22
8.1.100.0030.00317.38
8.1.90.0040.00417.28
8.1.80.0000.00717.38
8.1.70.0000.00717.41
8.1.60.0040.00417.48
8.1.50.0000.00817.40
8.1.40.0000.00717.54
8.1.30.0040.00417.62
8.1.20.0000.00917.64
8.1.10.0000.00717.41
8.1.00.0000.00917.45
8.0.300.0060.00319.68
8.0.290.0050.00316.79
8.0.280.0030.00318.27
8.0.270.0000.00717.04
8.0.260.0000.00716.75
8.0.250.0030.00316.91
8.0.240.0080.00016.77
8.0.230.0070.00016.94
8.0.220.0030.00316.80
8.0.210.0030.00316.73
8.0.200.0030.00616.78
8.0.190.0000.00916.86
8.0.180.0070.00016.91
8.0.170.0040.00416.75
8.0.160.0030.00316.68
8.0.150.0070.00016.68
8.0.140.0040.00416.80
8.0.130.0050.00013.22
8.0.120.0040.00416.79
8.0.110.0030.00716.82
8.0.100.0020.00516.78
8.0.90.0070.00016.87
8.0.80.0100.00616.77
8.0.70.0000.00816.71
8.0.60.0000.00816.68
8.0.50.0000.00816.82
8.0.30.0100.01216.92
8.0.20.0110.00917.40
8.0.10.0000.00716.82
8.0.00.0120.00516.68
7.4.330.0000.00516.77
7.4.320.0030.00316.41
7.4.300.0060.00016.49
7.4.290.0000.00716.62
7.4.280.0000.00716.49
7.4.270.0050.00216.57
7.4.260.0070.00013.27
7.4.250.0060.00316.32
7.4.240.0070.00016.59
7.4.230.0030.00316.60
7.4.220.0130.00616.70
7.4.210.0050.01216.56
7.4.200.0060.00016.67
7.4.190.0070.00016.59
7.4.160.0120.00416.22
7.4.150.0120.00617.40
7.4.140.0120.00717.86
7.4.130.0090.00816.42
7.4.120.0100.00716.38
7.4.110.0170.00316.25
7.4.100.0100.00716.37
7.4.90.0060.01316.38
7.4.80.0090.00919.39
7.4.70.0130.00916.58
7.4.60.0080.00816.46
7.4.50.0030.00316.43
7.4.40.0060.00622.77
7.4.30.0040.01216.63
7.4.00.0060.00614.71
7.3.330.0020.00213.24
7.3.320.0030.00213.07
7.3.310.0030.00316.26
7.3.300.0000.00616.15
7.3.290.0030.01116.22
7.3.280.0100.00616.27
7.3.270.0090.00917.40
7.3.260.0130.00718.24
7.3.250.0050.01216.42
7.3.240.0110.00516.21
7.3.230.0130.00316.39
7.3.210.0100.00616.18
7.3.200.0100.01019.39
7.3.190.0060.01216.29
7.3.180.0130.00316.26
7.3.170.0090.00616.29
7.3.160.0100.00716.21
7.3.120.0100.00714.47
7.3.10.0060.00616.41
7.3.00.0070.00316.58
7.2.330.0060.01616.62
7.2.320.0130.00916.37
7.2.310.0090.01316.34
7.2.300.0090.00616.73
7.2.290.0090.00616.23
7.2.130.0090.00616.89
7.2.120.0030.01316.34
7.2.110.0100.00716.66
7.2.100.0060.00816.79
7.2.90.0030.00616.93
7.2.80.0060.00716.76
7.2.70.0060.01016.96
7.2.60.0050.01116.73
7.2.50.0070.01116.84
7.2.40.0030.01016.88
7.2.30.0030.01016.54
7.2.20.0030.00616.82
7.2.10.0090.00616.87
7.2.00.0010.01018.11
7.1.250.0000.01415.47
7.1.200.0000.01115.68
7.1.100.0090.00618.05
7.1.70.0040.00717.14
7.1.60.0070.00719.17
7.1.50.0140.01017.04
7.1.00.0030.03722.28
7.0.200.0030.00616.64
7.0.140.0030.07322.07
7.0.100.0030.04321.78
7.0.90.0100.03321.78
7.0.80.0070.04321.70
7.0.70.0030.04321.79
7.0.60.0100.05321.68
7.0.50.0070.03722.16
7.0.40.0030.05320.18
7.0.30.0030.04319.92
7.0.20.0030.04320.14
7.0.10.0030.05020.09
7.0.00.0100.04720.17
5.6.280.0070.06720.86
5.6.250.0030.04020.50
5.6.240.0030.05020.65
5.6.230.0000.05320.60
5.6.220.0070.03720.59
5.6.210.0030.06020.68
5.6.200.0030.04320.95
5.6.190.0070.03721.11
5.6.180.0100.03721.04
5.6.170.0030.04021.05
5.6.160.0030.04320.97
5.6.150.0100.04021.06
5.6.140.0000.05721.00
5.6.130.0100.07321.00
5.6.120.0170.07321.05
5.6.110.0100.07721.11
5.6.100.0030.08321.04
5.6.90.0030.05321.13
5.6.80.0100.07020.49
5.6.70.0030.07720.46
5.6.60.0070.07320.41
5.6.50.0000.08720.35
5.6.40.0100.07320.50
5.6.30.0070.07320.41
5.6.20.0030.08020.42
5.6.10.0070.08320.31
5.6.00.0100.07320.27
5.5.380.0030.04720.50
5.5.370.0000.04720.50
5.5.360.0000.05020.37
5.5.350.0030.04020.39
5.5.340.0000.04720.93
5.5.330.0030.04020.80
5.5.320.0000.04320.84
5.5.310.0000.04320.91
5.5.300.0030.04320.94
5.5.290.0070.06320.90
5.5.280.0000.09320.80
5.5.270.0200.05720.74
5.5.260.0100.07320.86
5.5.250.0070.07720.72
5.5.240.0100.07320.22
5.5.230.0100.07020.21
5.5.220.0030.07720.22
5.5.210.0000.05020.30
5.5.200.0070.06720.19
5.5.190.0170.06320.18
5.5.180.0030.07720.24
5.5.160.0070.07720.12
5.5.150.0130.07020.11
5.5.140.0000.08720.14
5.5.130.0070.07720.24
5.5.120.0100.07720.24
5.5.110.0070.07020.23
5.5.100.0130.07020.17
5.5.90.0100.07020.17
5.5.80.0030.07320.10
5.5.70.0070.08020.11
5.5.60.0070.08020.07
5.5.50.0170.06719.93
5.5.40.0070.07320.05
5.5.30.0000.07720.09
5.5.20.0030.05719.96
5.5.10.0100.07020.13
5.5.00.0100.07720.13
5.4.450.0100.06719.19
5.4.440.0100.07319.36
5.4.430.0070.08019.32
5.4.420.0000.05019.48
5.4.410.0000.05019.29
5.4.400.0030.07019.11
5.4.390.0100.06318.88
5.4.380.0030.05718.99
5.4.370.0100.06319.16
5.4.360.0030.07319.04
5.4.350.0030.07319.05
5.4.340.0100.07318.88
5.4.320.0100.06719.13
5.4.310.0030.07319.19
5.4.300.0070.07719.20
5.4.290.0000.08019.13
5.4.280.0030.08018.85
5.4.270.0070.04319.13
5.4.260.0030.08318.88
5.4.250.0030.07718.88
5.4.240.0000.04018.86
5.4.230.0070.07319.04
5.4.220.0030.06019.16
5.4.210.0070.07319.22
5.4.200.0070.07018.84
5.4.190.0000.07318.84
5.4.180.0130.07019.03
5.4.170.0130.06719.12
5.4.160.0070.06719.19
5.4.150.0100.06718.93
5.4.140.0030.07316.32
5.4.130.0000.08016.34
5.4.120.0030.06016.17
5.4.110.0070.07016.39
5.4.100.0100.06716.47
5.4.90.0070.07016.33
5.4.80.0070.07016.48
5.4.70.0000.07016.47
5.4.60.0070.07016.32
5.4.50.0030.07716.41
5.4.40.0100.03716.50
5.4.30.0070.07016.47
5.4.20.0070.06716.29
5.4.10.0070.07016.35
5.4.00.0130.05715.77
5.3.290.0100.04014.61
5.3.280.0000.07714.54
5.3.270.0030.07314.57
5.3.260.0130.06314.66
5.3.250.0100.07314.71
5.3.240.0000.08014.65
5.3.230.0030.07314.71
5.3.220.0070.06714.51
5.3.210.0030.08014.58
5.3.200.0030.07314.62
5.3.190.0170.06014.49
5.3.180.0030.07314.66
5.3.170.0030.07314.50
5.3.160.0030.07314.62
5.3.150.0070.07014.51
5.3.140.0100.03714.65
5.3.130.0070.07014.61
5.3.120.0130.06714.48
5.3.110.0070.07314.52
5.3.100.0030.06714.25
5.3.90.0000.04714.25
5.3.80.0030.07714.25
5.3.70.0030.05714.25
5.3.60.0070.07314.25
5.3.50.0030.04014.25
5.3.40.0000.04714.25
5.3.30.0070.06314.25
5.3.20.0000.07714.25
5.3.10.0000.06714.25
5.3.00.0000.07014.25
5.2.170.0000.05714.25
5.2.160.0070.05714.25
5.2.150.0000.06314.25
5.2.140.0000.06714.25
5.2.130.0030.06314.25
5.2.120.0070.05714.25
5.2.110.0070.02714.25
5.2.100.0070.05314.25
5.2.90.0000.06714.25
5.2.80.0000.06314.25
5.2.70.0070.02714.25
5.2.60.0000.07014.25
5.2.50.0070.06014.25
5.2.40.0000.06014.25
5.2.30.0030.05314.25
5.2.20.0000.05714.25
5.2.10.0030.05714.25
5.2.00.0000.06314.25
5.1.60.0000.03014.25
5.1.50.0030.03314.25
5.1.40.0070.05014.25
5.1.30.0000.05714.25
5.1.20.0070.05014.25
5.1.10.0000.05314.25
5.1.00.0000.05314.25
5.0.50.0000.04714.25
5.0.40.0030.04014.25
5.0.30.0000.06714.25
5.0.20.0030.03314.25
5.0.10.0070.04014.25
5.0.00.0000.06314.25
4.4.90.0030.03014.25
4.4.80.0000.01714.25
4.4.70.0000.03714.25
4.4.60.0070.02714.25
4.4.50.0000.03014.25
4.4.40.0030.04314.25
4.4.30.0030.03314.25
4.4.20.0100.02714.25
4.4.10.0030.03314.25
4.4.00.0000.05714.25
4.3.110.0030.03014.25
4.3.100.0070.03014.25
4.3.90.0000.03314.25
4.3.80.0030.02714.25
4.3.70.0000.03014.25
4.3.60.0030.03014.25
4.3.50.0030.03714.25
4.3.40.0000.05314.25
4.3.30.0000.03314.25
4.3.20.0030.03314.25
4.3.10.0000.02314.25
4.3.00.0000.02014.25

preferences:
44.84 ms | 400 KiB | 5 Q