3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public $a = 1; public function b() { print_r($this->$a); } } $f = new foo; $f->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)
8.3.70.0150.00618.43
8.3.60.0150.00018.20
8.3.50.0140.00517.41
8.3.40.0140.00718.66
8.3.30.0120.00418.79
8.3.20.0040.00418.48
8.3.10.0050.00320.50
8.3.00.0040.00417.50
8.2.180.0140.00016.50
8.2.170.0110.00722.96
8.2.160.0130.00322.21
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00019.83
8.2.110.0050.00521.06
8.2.100.0060.00617.72
8.2.90.0000.00819.05
8.2.80.0000.00817.97
8.2.70.0090.00317.63
8.2.60.0080.00018.03
8.2.50.0050.00318.10
8.2.40.0000.00819.82
8.2.30.0040.00418.05
8.2.20.0000.00717.69
8.2.10.0040.00417.79
8.2.00.0040.00417.84
8.1.280.0040.01425.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.53
8.1.230.0090.00317.72
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0000.00917.23
8.1.190.0050.00317.35
8.1.180.0000.00818.10
8.1.170.0030.00519.02
8.1.160.0070.00018.94
8.1.150.0020.00518.61
8.1.140.0070.00317.43
8.1.130.0050.00317.69
8.1.120.0030.00317.32
8.1.110.0000.00717.46
8.1.100.0040.00417.41
8.1.90.0040.00417.44
8.1.80.0030.00417.38
8.1.70.0030.00317.31
8.1.60.0040.00417.58
8.1.50.0000.00717.36
8.1.40.0040.00417.57
8.1.30.0000.00717.70
8.1.20.0030.00517.60
8.1.10.0000.00817.59
8.1.00.0080.00017.51
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.48
8.0.270.0030.00317.15
8.0.260.0000.00616.79
8.0.250.0050.00217.01
8.0.240.0040.00416.94
8.0.230.0000.00717.01
8.0.220.0030.00316.89
8.0.210.0000.00816.93
8.0.200.0070.00016.88
8.0.190.0080.00016.88
8.0.180.0050.00217.01
8.0.170.0040.00416.84
8.0.160.0000.00716.96
8.0.150.0040.00416.80
8.0.140.0040.00416.97
8.0.130.0050.00013.42
8.0.120.0040.00416.96
8.0.110.0000.00916.93
8.0.100.0040.00416.96
8.0.90.0040.00416.86
8.0.80.0030.01416.90
8.0.70.0040.00416.73
8.0.60.0000.00816.97
8.0.50.0040.00416.93
8.0.30.0130.01017.16
8.0.20.0100.00917.23
8.0.10.0040.00416.91
8.0.00.0100.01016.74
7.4.330.0050.00014.69
7.4.320.0030.00316.54
7.4.300.0070.00016.59
7.4.290.0050.00216.45
7.4.280.0030.00616.63
7.4.270.0030.00316.49
7.4.260.0030.00313.25
7.4.250.0080.00016.59
7.4.240.0040.00416.48
7.4.230.0030.00316.52
7.4.220.0100.00716.59
7.4.210.0070.01116.54
7.4.200.0070.00016.31
7.4.190.0000.00716.48
7.4.160.0130.00316.45
7.4.150.0140.00317.07
7.4.140.0050.01217.22
7.4.130.0060.01116.45
7.4.120.0130.00516.40
7.4.110.0060.01216.50
7.4.100.0060.01616.46
7.4.90.0070.01016.49
7.4.80.0100.01018.80
7.4.70.0060.01316.54
7.4.60.0100.01016.33
7.4.50.0000.00623.17
7.4.40.0040.01121.69
7.4.30.0090.00916.57
7.4.00.0030.01014.97
7.3.330.0000.00613.18
7.3.320.0050.00313.17
7.3.310.0040.00416.40
7.3.300.0000.00616.28
7.3.290.0100.01016.40
7.3.280.0080.00616.31
7.3.270.0040.02017.07
7.3.260.0140.00718.24
7.3.250.0120.00516.35
7.3.240.0100.00716.19
7.3.230.0130.00616.31
7.3.210.0140.00316.58
7.3.200.0060.01219.39
7.3.190.0100.00616.29
7.3.180.0060.00916.18
7.3.170.0130.00316.26
7.3.160.0070.00816.42
7.3.120.0090.00614.70
7.3.10.0070.00716.02
7.3.00.0060.00616.20
7.2.330.0150.00316.61
7.2.320.0000.01616.31
7.2.310.0000.01816.52
7.2.300.0030.01516.38
7.2.290.0150.00316.43
7.2.130.0120.01216.54
7.2.120.0040.00816.51
7.2.110.0130.00816.45
7.2.100.0060.00916.34
7.2.90.0040.01216.44
7.2.80.0090.00516.49
7.2.70.0130.01216.45
7.2.60.0080.00916.49
7.2.50.0030.01516.40
7.2.40.0090.00916.51
7.2.30.0120.00916.58
7.2.20.0160.00316.48
7.2.10.0140.00716.38
7.2.00.0080.00917.84
7.1.250.0040.01215.39
7.1.200.0090.00315.80
7.1.100.0000.01217.76
7.1.70.0030.00516.83
7.1.60.0130.00319.40
7.1.50.0070.00717.01
7.1.00.0000.06322.35
7.0.200.0050.00216.90
7.0.140.0000.07722.01
7.0.120.0000.03721.98
7.0.60.0070.08319.82
7.0.50.0130.07317.91
7.0.40.0070.04320.24
7.0.30.0570.07320.30
7.0.20.0230.04320.06
7.0.10.0170.05020.30
7.0.00.0070.04020.07
5.6.280.0100.06720.89
5.6.210.0100.05020.61
5.6.200.0070.08718.25
5.6.190.0030.04720.47
5.6.180.0370.05720.64
5.6.170.0330.08320.44
5.6.160.0070.08320.54
5.6.150.0100.03718.18
5.6.140.0030.07718.11
5.6.130.0030.08018.28
5.6.120.0130.08721.03
5.6.110.0130.06320.97
5.6.100.0000.08321.02
5.6.90.0000.07721.13
5.6.80.0130.07720.50
5.6.70.3570.04320.50
5.5.350.0300.06720.49
5.5.340.0270.03317.98
5.5.330.0000.04720.13
5.5.320.0030.08320.32
5.5.310.0330.07320.32
5.5.300.0100.07018.03
5.5.290.0030.08018.04
5.5.280.0230.02720.80
5.5.270.0130.07720.73
5.5.260.0070.08320.97
5.5.250.0170.06320.71
5.5.240.0070.04320.18
5.4.450.0070.06719.50
5.4.440.0100.05719.52
5.4.430.0030.04019.51
5.4.420.0100.07019.56
5.4.410.0170.04019.44
5.4.400.0030.08318.87
5.4.390.0030.04019.24
5.4.380.0000.05319.16
5.4.370.0100.06719.14
5.4.360.0130.05319.07
5.4.350.0070.07719.14
5.4.340.0070.06718.85
5.4.320.0130.06319.24
5.4.310.0130.07019.07
5.4.300.0100.07018.86
5.4.290.0030.05719.14
5.4.280.0100.05319.14
5.4.270.0000.04719.08
5.4.260.0070.08018.97
5.4.250.0030.04019.18
5.4.240.0130.07318.84
5.4.230.0030.05719.25
5.4.220.0100.06319.23
5.4.210.0070.07018.86
5.4.200.0070.04719.20
5.4.190.0000.06019.14
5.4.180.0030.08319.20
5.4.170.0070.04019.06
5.4.160.0170.06318.85
5.4.150.0100.06719.13
5.4.140.0130.04716.55
5.4.130.0070.03316.34
5.4.120.0100.06016.34
5.4.110.0170.06316.47
5.4.100.0000.04316.42
5.4.90.0070.04716.39
5.4.80.0170.05716.32
5.4.70.0070.03316.37
5.4.60.0130.06316.31
5.4.50.0070.06016.36
5.4.40.0030.07316.64
5.4.30.0070.04316.36
5.4.20.0000.06016.36
5.4.10.0070.07316.64
5.4.00.0100.04015.74
5.3.290.0070.08014.82
5.3.280.0130.07014.73
5.3.270.0070.06714.63
5.3.260.0100.07714.59
5.3.250.0070.07014.75
5.3.240.0030.08314.67
5.3.230.0030.06314.64
5.3.220.0030.04714.62
5.3.210.0070.07714.62
5.3.200.0030.07014.62
5.3.190.0130.06714.55
5.3.180.0070.07714.72
5.3.170.0030.04014.71
5.3.160.0070.06014.59
5.3.150.0000.04314.63
5.3.140.0030.04314.61
5.3.130.0000.05014.54
5.3.120.0130.07014.57
5.3.110.0100.07314.53
5.3.100.0030.04714.03
5.3.90.0030.04014.03
5.3.80.0070.03313.94
5.3.70.0100.06014.02
5.3.60.0070.06014.05
5.3.50.0030.05013.98
5.3.40.0070.03313.99
5.3.30.0100.03013.96
5.3.20.0030.05713.74
5.3.10.0070.06713.66
5.3.00.0100.07313.66
5.2.170.0030.03311.32
5.2.160.0070.03311.17
5.2.150.0000.03311.30
5.2.140.0070.04011.15
5.2.130.0100.05711.02
5.2.120.0100.04711.16
5.2.110.0100.05711.02
5.2.100.0070.05011.15
5.2.90.0070.05711.02
5.2.80.0070.06311.27
5.2.70.0000.04711.14
5.2.60.0100.03710.94
5.2.50.0030.06711.07
5.2.40.0070.06011.03
5.2.30.0000.04010.98
5.2.20.0100.04310.96
5.2.10.0030.03310.82
5.2.00.0030.03010.70
5.1.60.0000.0279.96
5.1.50.0030.05710.15
5.1.40.0000.04310.11
5.1.30.0030.06010.48
5.1.20.0070.04710.27
5.1.10.0130.03010.21
5.1.00.0030.04710.02
5.0.50.0030.0308.51
5.0.40.0030.0278.45
5.0.30.0000.0408.21
5.0.20.0000.0278.25
5.0.10.0070.0178.14
5.0.00.0000.0678.17
4.4.90.0030.0337.79
4.4.80.0100.0177.79
4.4.70.0030.0207.79
4.4.60.0000.0237.79
4.4.50.0000.0237.79
4.4.40.0030.0237.79
4.4.30.0000.0377.79
4.4.20.0000.0377.79
4.4.10.0000.0237.79
4.4.00.0030.0337.79
4.3.110.0030.0207.79
4.3.100.0030.0177.79
4.3.90.0000.0277.79
4.3.80.0000.0337.79
4.3.70.0070.0337.79
4.3.60.0030.0337.79
4.3.50.0030.0207.79
4.3.40.0030.0507.79
4.3.30.0070.0337.79
4.3.20.0000.0237.79
4.3.10.0000.0237.79
4.3.00.0000.0237.79

preferences:
44.82 ms | 401 KiB | 5 Q