3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Ancestor { protected $val = 'ancestor'; } class Child1 extends Ancestor { function __construct() { $this->val = 'child1'; } } class Child2 extends Ancestor { function output(Ancestor $subject) { $subject->val = 'surprise motherfucker'; echo $subject->val, "\n"; } } $child1 = new Child1(); $child2 = new Child2(); $child2->output($child1); // Output: child1

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)
8.3.60.0170.00018.27
8.3.50.0070.00719.83
8.3.40.0040.01118.98
8.3.30.0070.01118.81
8.3.20.0050.00320.16
8.3.10.0060.00320.61
8.3.00.0040.00419.38
8.2.180.0000.01616.63
8.2.170.0150.00022.96
8.2.160.0080.00822.11
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00420.89
8.2.110.0060.00320.38
8.2.100.0070.00417.91
8.2.90.0030.00519.07
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0000.00817.97
8.2.30.0040.00419.44
8.2.20.0070.00017.74
8.2.10.0000.00817.99
8.2.00.0080.00017.55
8.1.270.0080.00021.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.01023.92
8.1.230.0090.00317.70
8.1.220.0000.00917.74
8.1.210.0030.00618.77
8.1.200.0040.00417.35
8.1.190.0060.00317.35
8.1.180.0000.00818.10
8.1.170.0050.00318.53
8.1.160.0000.00721.95
8.1.150.0040.00418.82
8.1.140.0040.00417.27
8.1.130.0000.00717.76
8.1.120.0000.00717.31
8.1.110.0040.00417.37
8.1.100.0000.00717.28
8.1.90.0030.00517.37
8.1.80.0000.00717.37
8.1.70.0070.00017.37
8.1.60.0090.00017.54
8.1.50.0000.00817.42
8.1.40.0000.00817.48
8.1.30.0000.00717.52
8.1.20.0000.00717.48
8.1.10.0000.00717.45
8.1.00.0000.00817.45
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0080.00018.38
8.0.270.0040.00417.17
8.0.260.0030.00317.30
8.0.250.0000.00616.90
8.0.240.0000.00816.91
8.0.230.0040.00416.98
8.0.220.0030.00316.82
8.0.210.0040.00416.85
8.0.200.0000.00716.99
8.0.190.0000.00816.93
8.0.180.0040.00416.81
8.0.170.0040.00416.93
8.0.160.0000.00716.96
8.0.150.0030.00516.86
8.0.140.0000.00816.84
8.0.130.0030.00313.25
8.0.120.0030.00616.86
8.0.110.0040.00416.93
8.0.100.0040.00416.93
8.0.90.0050.00216.89
8.0.80.0060.01016.85
8.0.70.0080.00016.70
8.0.60.0040.00416.80
8.0.50.0000.00716.84
8.0.30.0100.00917.11
8.0.20.0130.00517.40
8.0.10.0070.00016.90
8.0.00.0130.00716.91
7.4.330.0050.00015.00
7.4.320.0000.00716.51
7.4.300.0040.00416.48
7.4.290.0030.00316.39
7.4.280.0030.00316.64
7.4.270.0000.00716.52
7.4.260.0030.00316.38
7.4.250.0000.00816.48
7.4.240.0010.00616.59
7.4.230.0040.00416.58
7.4.220.0060.01216.43
7.4.210.0030.01316.38
7.4.200.0070.00016.57
7.4.160.0110.00516.38
7.4.150.0120.00617.40
7.4.140.0120.00517.86
7.4.130.0050.01116.46
7.4.120.0080.00916.72
7.4.110.0060.01016.65
7.4.100.0130.00616.62
7.4.90.0130.00316.55
7.4.80.0040.01319.39
7.4.70.0000.01716.40
7.4.60.0090.00916.38
7.4.50.0000.00416.39
7.4.40.0160.00616.61
7.4.30.0140.00316.48
7.4.00.0060.01014.69
7.3.330.0060.00013.32
7.3.320.0030.00313.27
7.3.310.0030.00316.12
7.3.300.0030.00316.29
7.3.290.0130.00016.30
7.3.280.0090.00616.29
7.3.270.0120.00617.40
7.3.260.0160.00616.30
7.3.250.0130.01016.55
7.3.240.0090.01216.42
7.3.230.0120.00616.46
7.3.210.0090.00916.39
7.3.200.0070.01419.39
7.3.190.0070.01016.21
7.3.180.0100.00716.18
7.3.170.0150.00616.29
7.3.160.0150.00716.56
7.2.330.0030.01516.76
7.2.320.0070.01116.80
7.2.310.0170.00616.42
7.2.300.0070.01016.83
7.2.290.0040.01816.76
7.2.60.0100.00316.83
7.2.00.0080.01219.53
7.1.200.0090.00315.85
7.1.100.0000.01417.65
7.1.70.0110.00417.08
7.1.60.0130.01019.61
7.1.50.0120.01217.02
7.1.00.0170.06722.44
7.0.200.0210.00714.81
7.0.140.0030.07322.15
7.0.70.0100.07321.62
7.0.60.0030.06021.71
7.0.50.0030.08022.13
7.0.40.0030.07720.08
7.0.30.0030.06319.99
7.0.20.0030.08720.13
7.0.10.0070.08020.10
7.0.00.0070.04020.03
5.6.280.0030.07321.11
5.6.220.0030.07720.61
5.6.210.0030.08020.52
5.6.200.0070.06720.93
5.6.190.0100.06021.09
5.6.180.0000.05321.01
5.6.170.0030.05720.95
5.6.160.0100.06021.05
5.6.150.0030.08021.03
5.6.140.0070.07020.96
5.6.130.0000.08021.02
5.6.120.0000.05721.08
5.6.110.0100.07721.17
5.6.100.0000.05021.02
5.6.90.0000.06021.07
5.6.80.0030.08020.44
5.6.70.0070.06320.47
5.6.60.0000.07720.45
5.6.50.0000.08720.40
5.6.40.0000.05320.39
5.6.30.0070.07020.39
5.6.20.0130.06320.39
5.6.10.0070.07720.32
5.6.00.0070.07720.46
5.5.360.0170.07720.32
5.5.350.0030.07320.38
5.5.340.0130.07020.88
5.5.330.0070.07720.91
5.5.320.0070.03720.88
5.5.310.0030.08320.89
5.5.300.0000.04720.84
5.5.290.0070.07720.64
5.5.280.0030.05020.80
5.5.270.0000.08720.77
5.5.260.0070.08020.60
5.5.250.0030.05720.58
5.5.240.0030.05720.32
5.5.230.0100.07020.31
5.5.220.0000.05720.14
5.5.210.0000.05320.14
5.5.200.0070.07320.17
5.5.190.0100.07320.08
5.5.180.0070.08320.27
5.5.160.0070.06320.17
5.5.150.0000.09020.24
5.5.140.0100.07020.24
5.5.130.0100.07320.27
5.5.120.0070.07720.28
5.5.110.0070.07720.26
5.5.100.0000.08020.03
5.5.90.0000.06320.11
5.5.80.0030.04320.16
5.5.70.0100.06720.11
5.5.60.0030.07319.92
5.5.50.0030.06020.13
5.5.40.0070.06320.05
5.5.30.0070.07020.05
5.5.20.0070.05720.00
5.5.10.0030.06720.07
5.5.00.0030.07720.09
5.4.450.0030.06719.51
5.4.440.0130.07319.46
5.4.430.0000.05719.34
5.4.420.0000.06319.26
5.4.410.0000.06719.31
5.4.400.0070.06019.09
5.4.390.0070.05019.11
5.4.380.0030.05019.12
5.4.370.0100.06319.19
5.4.360.0030.05719.18
5.4.350.0070.07019.03
5.4.340.0070.09318.99
5.4.320.0070.07318.92
5.4.310.0100.07019.02
5.4.300.0100.05018.86
5.4.290.0100.07019.16
5.4.280.0070.05719.18
5.4.270.0030.06018.95
5.4.260.0070.07719.12
5.4.250.0070.04719.01
5.4.240.0030.07019.02
5.4.230.0030.07719.11
5.4.220.0070.06318.85
5.4.210.0100.07319.23
5.4.200.0000.08019.11
5.4.190.0030.07018.84
5.4.180.0100.08318.88
5.4.170.0030.07719.02
5.4.160.0100.05719.18
5.4.150.0030.08018.83
5.4.140.0100.06716.43
5.4.130.0030.05316.43
5.4.120.0070.06716.41
5.4.110.0030.07316.36
5.4.100.0030.07316.53
5.4.90.0070.06316.38
5.4.80.0100.06716.36
5.4.70.0030.07016.50
5.4.60.0100.05716.48
5.4.50.0000.04716.44
5.4.40.0030.07016.50
5.4.30.0000.07316.47
5.4.20.0070.05316.38
5.4.10.0000.08016.41
5.4.00.0030.06315.82
5.3.290.0030.07714.68
5.3.280.0030.07714.57
5.3.270.0070.07314.71
5.3.260.0130.06314.59
5.3.250.0000.05314.59
5.3.240.0070.06714.66
5.3.230.0000.06314.54
5.3.220.0000.06714.64
5.3.210.0100.07314.63
5.3.200.0030.07314.68
5.3.190.0000.06014.52
5.3.180.0070.07314.63
5.3.170.0030.07314.49
5.3.160.0000.07314.52
5.3.150.0070.07314.57
5.3.140.0100.03014.61
5.3.130.0100.07314.59
5.3.120.0000.06014.49
5.3.110.0030.07714.50
5.3.100.0030.07713.97
5.3.90.0000.06714.03
5.3.80.0000.07714.13
5.3.70.0070.06713.95
5.3.60.0100.05713.94
5.3.50.0070.07013.84
5.3.40.0030.07014.06
5.3.30.0000.07013.93
5.3.20.0030.07013.75
5.3.10.0030.05713.54
5.3.00.0000.07713.75
5.2.170.0000.06011.01
5.2.160.0000.05711.08
5.2.150.0000.05311.26
5.2.140.0030.06311.18
5.2.130.0000.04311.17
5.2.120.0030.04711.18
5.2.110.0030.06011.04
5.2.100.0030.05311.07
5.2.90.0030.05711.00
5.2.80.0000.03711.18
5.2.70.0000.04311.11
5.2.60.0070.05710.97
5.2.50.0030.03711.03
5.2.40.0070.06010.89
5.2.30.0070.05011.09
5.2.20.0030.05710.99
5.2.10.0030.04710.98
5.2.00.0070.04010.83
5.1.60.0000.03310.83
5.1.50.0000.06010.83
5.1.40.0000.04010.83
5.1.30.0030.05010.83
5.1.20.0030.04010.83
5.1.10.0000.06010.83
5.1.00.0000.04310.83
5.0.50.0000.04710.83
5.0.40.0000.03010.83
5.0.30.0070.06010.83
5.0.20.0000.04710.83
5.0.10.0030.03310.83
5.0.00.0030.04710.83
4.4.90.0030.01310.83
4.4.80.0070.01710.83
4.4.70.0000.03710.83
4.4.60.0000.03310.83
4.4.50.0070.03010.83
4.4.40.0030.03310.83
4.4.30.0000.03710.83
4.4.20.0030.03310.83
4.4.10.0000.02710.83
4.4.00.0000.04010.83
4.3.110.0000.02010.83
4.3.100.0000.03010.83
4.3.90.0030.03010.83
4.3.80.0000.05310.83
4.3.70.0030.03310.83
4.3.60.0000.02710.83
4.3.50.0030.03010.83
4.3.40.0030.05010.83
4.3.30.0000.03310.83
4.3.20.0000.03310.83
4.3.10.0000.03710.83
4.3.00.0000.03310.83

preferences:
51.52 ms | 400 KiB | 5 Q