3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public $pub = 'public in a'; function pub() { echo "Entering a::pub\n"; var_dump($this->pub); echo "Leaving a::pub\n"; } } class x { public $pub = 'public in x'; function pub() { echo "Entering x::pub\n"; a::pub(); echo "Leaving x::pub\n"; } } function main() { $a = new a; $x = new x; echo "Calling a->pub\n"; $a->pub(); echo "Calling x->pub\n"; $x->pub(); } echo "Calling main()\n"; main(); echo "Done\n";

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)
8.3.60.0130.00718.55
8.3.50.0110.00922.90
8.3.40.0070.00718.71
8.3.30.0100.00319.14
8.3.20.0040.00420.21
8.3.10.0040.00423.66
8.3.00.0080.00019.25
8.2.180.0130.00316.63
8.2.170.0070.00722.96
8.2.160.0120.00322.08
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00421.02
8.2.110.0080.00020.36
8.2.100.0090.00318.03
8.2.90.0000.00819.13
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0030.00617.93
8.2.50.0030.00518.07
8.2.40.0060.00317.97
8.2.30.0030.00617.95
8.2.20.0040.00417.73
8.2.10.0000.00717.86
8.2.00.0040.00417.55
8.1.280.0170.00325.92
8.1.270.0050.00222.18
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0110.00022.01
8.1.230.0070.00419.11
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0000.00918.10
8.1.170.0000.00818.59
8.1.160.0030.00521.95
8.1.150.0040.00418.70
8.1.140.0050.00217.38
8.1.130.0040.00417.86
8.1.120.0040.00417.29
8.1.110.0070.00017.38
8.1.100.0030.00617.30
8.1.90.0030.00517.25
8.1.80.0030.00317.37
8.1.70.0000.00717.31
8.1.60.0060.00317.43
8.1.50.0030.00517.40
8.1.40.0030.00617.57
8.1.30.0000.00817.57
8.1.20.0040.00417.69
8.1.10.0040.00417.56
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0000.00818.36
8.0.270.0030.00317.25
8.0.260.0040.00417.28
8.0.250.0000.00716.84
8.0.240.0000.00716.89
8.0.230.0000.00716.96
8.0.220.0000.00716.87
8.0.210.0070.00016.93
8.0.200.0000.00716.84
8.0.190.0050.00316.92
8.0.180.0040.00416.93
8.0.170.0040.00416.90
8.0.160.0040.00416.87
8.0.150.0000.00716.67
8.0.140.0030.00516.79
8.0.130.0000.00613.40
8.0.120.0000.00816.88
8.0.110.0000.00716.84
8.0.100.0000.00716.82
8.0.90.0000.00716.95
8.0.80.0090.00616.85
8.0.70.0050.00316.91
8.0.60.0060.00316.78
8.0.50.0000.00716.95
8.0.30.0110.00817.15
8.0.20.0130.00817.40
8.0.10.0080.00017.12
8.0.00.0120.00516.92
7.4.330.0030.00315.09
7.4.320.0030.00316.53
7.4.300.0000.00616.63
7.4.290.0070.00016.57
7.4.280.0040.00416.54
7.4.270.0040.00416.52
7.4.260.0040.00416.55
7.4.250.0000.00816.45
7.4.240.0040.00416.53
7.4.230.0030.00316.53
7.4.220.0090.00916.53
7.4.210.0070.01316.62
7.4.200.0070.00016.66
7.4.160.0060.01116.78
7.4.150.0150.00917.40
7.4.140.0120.00917.86
7.4.130.0120.00716.46
7.4.120.0110.00716.54
7.4.110.0120.00416.63
7.4.100.0040.01216.42
7.4.90.0130.00316.57
7.4.80.0040.01419.39
7.4.70.0000.01716.32
7.4.60.0050.01116.48
7.4.50.0000.00816.57
7.4.40.0070.01016.46
7.4.30.0060.01116.68
7.4.00.0070.01014.89
7.3.330.0070.00013.33
7.3.320.0030.00313.34
7.3.310.0000.00816.46
7.3.300.0030.00316.32
7.3.290.0090.00516.43
7.3.280.0100.00616.36
7.3.270.0110.00717.40
7.3.260.0110.00716.32
7.3.250.0120.00816.46
7.3.240.0060.01016.37
7.3.230.0090.01116.39
7.3.210.0140.00316.55
7.3.200.0070.01019.39
7.3.190.0140.00716.43
7.3.180.0080.00816.30
7.3.170.0060.00916.30
7.3.160.0120.00316.42
7.3.10.0100.00316.09
7.3.00.0180.00516.77
7.2.330.0140.00516.39
7.2.320.0070.01116.69
7.2.310.0070.01016.77
7.2.300.0080.00816.50
7.2.290.0160.00716.79
7.2.130.0190.00416.96
7.2.120.0090.00616.63
7.2.110.0120.00616.88
7.2.100.0090.01316.50
7.2.90.0170.00316.66
7.2.80.0170.00716.88
7.2.70.0100.01416.88
7.2.60.0090.00916.76
7.2.50.0140.00716.63
7.2.40.0110.00716.88
7.2.30.0130.00916.58
7.2.20.0190.00016.70
7.2.10.0220.00716.51
7.2.00.0100.01018.07
7.1.250.0100.00515.46
7.1.200.0030.00915.82
7.1.100.0040.00717.71
7.1.70.0040.00717.16
7.1.60.0070.01419.40
7.1.50.0130.01634.71
7.1.00.0030.07722.31
7.0.200.0100.00316.62
7.0.140.0070.06322.00
7.0.60.0130.07719.96
7.0.50.0000.04717.88
7.0.40.0070.04320.12
7.0.30.0330.07320.23
7.0.20.0370.07320.25
7.0.10.0070.04720.18
7.0.00.0030.04020.05
5.6.280.0030.07320.93
5.6.210.0100.08320.71
5.6.200.0030.09318.19
5.6.190.0070.04020.39
5.6.180.0400.04720.47
5.6.170.0200.04020.44
5.6.160.0000.06020.52
5.6.150.0100.06318.23
5.6.140.0100.04718.14
5.6.130.0100.08018.16
5.6.120.0030.05721.02
5.6.110.0030.09021.14
5.6.100.0030.06021.00
5.6.90.0030.04021.01
5.6.80.0070.03720.54
5.5.350.0230.07020.38
5.5.340.0030.08017.98
5.5.330.0100.08020.27
5.5.320.0170.04320.27
5.5.310.0230.07720.35
5.5.300.0170.07017.98
5.5.290.0100.07718.00
5.5.280.0070.05720.74
5.5.270.0100.04020.73
5.5.260.0070.08320.73
5.5.250.0030.04020.70
5.5.240.0000.07720.27
5.4.450.2170.04319.41
5.4.440.1830.04019.17
5.4.430.2000.04019.46
5.4.420.1800.05019.40
5.4.410.2000.03319.34
5.4.400.0100.06719.25
5.4.390.0070.04719.06
5.4.380.0670.06719.31
5.4.370.2030.04319.14
5.4.360.1870.03719.31
5.4.350.2000.04719.22
5.4.340.1770.04019.13
5.4.320.1970.05319.14
5.4.310.1900.05018.89
5.4.300.1830.04019.08
5.4.290.1900.02719.09
5.4.280.2030.04018.84
5.4.270.1970.04018.99
5.4.260.1870.03719.15
5.4.250.1830.04019.13
5.4.240.1930.04319.16
5.4.230.1870.04318.97
5.4.220.1970.05019.19
5.4.210.2170.04018.84
5.4.200.2030.04318.94
5.4.190.2100.04718.86
5.4.180.2030.04718.94
5.4.170.0000.05318.94
5.4.160.0030.05318.98
5.4.150.0330.05319.06
5.4.140.2070.04316.41
5.4.130.0600.04016.54
5.4.120.0070.03016.38
5.4.110.0030.03716.59
5.4.100.1200.04016.45
5.4.90.1500.03016.50
5.4.80.1600.04316.49
5.4.70.1500.04316.41
5.4.60.0970.03716.51
5.4.50.1530.03016.53
5.4.40.1770.03316.24
5.4.30.1970.03016.33
5.4.20.1600.03316.53
5.4.10.1870.03716.48
5.4.00.1970.03015.92
5.3.290.0170.03314.67
5.3.280.0200.03714.68
5.3.270.0200.04314.69
5.3.260.0000.04014.61
5.3.250.0100.03714.83
5.3.240.0230.03014.63
5.3.230.0100.04314.61
5.3.220.0130.04014.53
5.3.210.0170.04314.59
5.3.200.0230.03314.63
5.3.190.0200.04714.50
5.3.180.0200.03314.68
5.3.170.0170.03714.59
5.3.160.0170.04314.50
5.3.150.0170.03314.49
5.3.140.0100.03714.57
5.3.130.0070.03714.70
5.3.120.0000.04014.70
5.3.110.0100.03314.61
5.3.100.0000.04714.29
5.3.90.0030.03314.04
5.3.80.0030.03314.00
5.3.70.0900.03314.15
5.3.60.0170.04014.06
5.3.50.0200.03714.04
5.3.40.0200.04313.93
5.3.30.0230.03013.96
5.3.20.0100.04313.61
5.3.10.0130.04313.57
5.3.00.0130.03313.75
5.2.170.0130.02711.08
5.2.160.0130.02711.06
5.2.150.0130.03011.24
5.2.140.0170.03711.06
5.2.130.0170.02711.04
5.2.120.0100.03011.00
5.2.110.0130.02711.11
5.2.100.0170.02711.35
5.2.90.0100.03311.11
5.2.80.0100.03311.25
5.2.70.0170.02711.11
5.2.60.0070.02711.06
5.2.50.0170.02710.94
5.2.40.0200.02010.97
5.2.30.0070.02311.03
5.2.20.0000.03010.88
5.2.10.0130.03310.84
5.2.00.0200.02310.84
5.1.60.0130.0239.90
5.1.50.0030.0279.90
5.1.40.0100.0309.86
5.1.30.0100.02710.49
5.1.20.0330.03010.30
5.1.10.0100.03310.23
5.1.00.0100.02310.05
5.0.50.0030.0308.68
5.0.40.0170.0208.31
5.0.30.0130.0238.36
5.0.20.0070.0278.20
5.0.10.0030.0278.11
5.0.00.0000.0378.06
4.4.90.0000.0207.91
4.4.80.0030.0137.91
4.4.70.0070.0377.91
4.4.60.0030.0177.91
4.4.50.0100.0177.91
4.4.40.0070.0237.91
4.4.30.0070.0307.91
4.4.20.0070.0337.91
4.4.10.0070.0137.91
4.4.00.0030.0277.91
4.3.110.0070.0137.91
4.3.100.0100.0107.91
4.3.90.0070.0137.91
4.3.80.0070.0307.91
4.3.70.0070.0137.91
4.3.60.0030.0237.91
4.3.50.0070.0207.91
4.3.40.0070.0277.91
4.3.30.0000.0177.91
4.3.20.0030.0137.91
4.3.10.0000.0177.91
4.3.00.0030.0177.91

preferences:
42 ms | 401 KiB | 5 Q