3v4l.org

run code in 300+ PHP versions simultaneously
<?php class class1 { function class1() { error_log("Constuctor of class1"); } } class class2 extends class1 { } class class3 extends class2 { } class class4_working extends class3 { function class4_working() { parent::__construct(); } } class class4_notworking extends class3 { function class4_notworking() { parent::class2(); } } error_log("working"); $c = new class4_working(); error_log("notworking"); $c = new class4_notworking();

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)
8.3.60.0040.01116.50
8.3.50.0040.01216.48
8.3.40.0140.00018.89
8.3.30.0070.00718.54
8.3.20.0000.00720.37
8.3.10.0050.00323.68
8.3.00.0000.00823.90
8.2.180.0110.00716.88
8.2.170.0000.01422.96
8.2.160.0070.00720.38
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0090.00020.79
8.2.120.0040.00426.35
8.2.110.0060.00319.33
8.2.100.0090.00318.04
8.2.90.0030.00519.20
8.2.80.0030.00517.97
8.2.70.0060.00317.50
8.2.60.0060.00317.80
8.2.50.0030.00618.09
8.2.40.0000.00822.16
8.2.30.0050.00219.27
8.2.20.0030.00517.66
8.2.10.0000.00718.00
8.2.00.0050.00218.05
8.1.280.0140.00725.92
8.1.270.0060.00323.99
8.1.260.0060.00328.09
8.1.250.0040.00428.09
8.1.240.0040.00422.57
8.1.230.0070.00417.64
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.10
8.1.190.0060.00317.09
8.1.180.0040.00418.10
8.1.170.0080.00018.49
8.1.160.0050.00320.62
8.1.150.0070.00018.88
8.1.140.0000.00819.52
8.1.130.0000.00717.67
8.1.120.0000.00817.35
8.1.110.0000.00817.29
8.1.100.0040.00417.41
8.1.90.0080.00017.41
8.1.80.0030.00417.42
8.1.70.0060.00017.43
8.1.60.0000.00717.47
8.1.50.0000.00817.43
8.1.40.0060.00617.42
8.1.30.0000.00917.61
8.1.20.0000.00717.52
8.1.10.0050.00317.48
8.1.00.0020.00517.46
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.33
8.0.270.0000.00717.07
8.0.260.0000.00617.14
8.0.250.0000.00716.79
8.0.240.0000.00816.86
8.0.230.0000.00716.96
8.0.220.0070.00016.79
8.0.210.0030.00316.85
8.0.200.0060.00016.98
8.0.190.0000.01216.95
8.0.180.0030.00316.92
8.0.170.0000.00816.84
8.0.160.0050.00216.88
8.0.150.0070.00416.87
8.0.140.0060.00316.88
8.0.130.0000.00613.44
8.0.120.0040.00416.86
8.0.110.0000.00716.72
8.0.100.0070.00016.77
8.0.90.0040.00416.95
8.0.80.0030.01416.84
8.0.70.0000.00816.90
8.0.60.0040.00416.94
8.0.50.0070.00016.73
8.0.30.0100.00717.09
8.0.20.0140.00717.40
8.0.10.0000.00716.99
8.0.00.0120.00716.65
7.4.330.0000.00516.96
7.4.320.0030.00316.52
7.4.300.0040.00416.52
7.4.290.0000.00716.44
7.4.280.0000.00916.39
7.4.270.0030.00316.60
7.4.260.0000.00716.45
7.4.250.0000.00816.55
7.4.240.0000.00716.60
7.4.230.0030.00316.58
7.4.220.0130.00716.61
7.4.210.0050.00916.56
7.4.200.0000.00816.48
7.4.160.0090.00616.68
7.4.150.0110.00917.40
7.4.140.0110.00817.86
7.4.130.0110.01016.47
7.4.120.0100.01016.54
7.4.110.0080.00816.45
7.4.100.0100.01016.67
7.4.90.0100.00716.55
7.4.80.0100.00719.39
7.4.70.0120.00916.56
7.4.60.0090.00916.49
7.4.50.0080.00616.32
7.4.40.0100.00716.36
7.4.30.0100.00916.50
7.4.00.0090.00514.68
7.3.330.0000.00713.38
7.3.320.0000.00613.32
7.3.310.0000.00916.43
7.3.300.0030.00316.24
7.3.290.0000.00716.39
7.3.280.0080.01016.37
7.3.270.0100.01017.40
7.3.260.0130.00316.37
7.3.250.0060.01116.36
7.3.240.0130.00516.49
7.3.230.0140.00416.46
7.3.210.0130.00316.30
7.3.200.0070.01019.39
7.3.190.0090.01016.31
7.3.180.0100.00616.45
7.3.170.0060.00916.37
7.3.160.0110.00816.40
7.3.120.0060.01214.90
7.3.110.0000.01614.48
7.3.100.0030.00914.94
7.3.90.0070.00614.58
7.3.80.0040.01414.79
7.3.70.0000.01414.67
7.3.60.0030.01014.71
7.3.50.0040.00714.84
7.3.40.0060.00314.83
7.3.30.0070.00314.58
7.3.20.0110.00716.69
7.3.10.0070.00316.59
7.3.00.0060.00616.59
7.2.330.0030.01616.64
7.2.320.0150.00316.56
7.2.310.0080.00816.57
7.2.300.0080.00816.47
7.2.290.0090.00916.68
7.2.250.0130.00614.82
7.2.240.0080.01115.02
7.2.230.0030.01214.97
7.2.220.0030.00714.74
7.2.210.0090.00614.89
7.2.200.0070.00715.05
7.2.190.0170.00014.94
7.2.180.0030.00714.69
7.2.170.0060.00915.00
7.2.110.0160.01216.29
7.2.60.0070.00716.98
7.2.00.0000.01318.75
7.1.330.0070.00615.64
7.1.320.0030.00615.35
7.1.310.0100.00315.79
7.1.300.0030.01415.67
7.1.290.0100.00315.61
7.1.280.0060.00915.52
7.1.270.0070.01015.70
7.1.260.0000.01315.30
7.1.200.0000.01315.42
7.1.100.0000.00817.75
7.1.70.0040.00416.97
7.1.60.0090.01619.40
7.1.50.0000.01116.87
7.1.00.0000.07722.31
7.0.200.0030.00616.46
7.0.60.0200.06721.67
7.0.50.0100.08017.98
7.0.40.0170.07720.29
7.0.30.0200.05020.32
7.0.20.0130.04720.17
7.0.10.0070.06320.09
7.0.00.0130.06720.07
5.6.280.0000.03721.08
5.6.210.0070.08020.65
5.6.200.0030.04318.27
5.6.190.0070.05320.55
5.6.180.0200.08320.48
5.6.170.0270.08020.57
5.6.160.0100.08720.62
5.6.150.0000.07318.21
5.6.140.0200.05718.24
5.6.130.0030.08018.20
5.6.120.0100.08321.10
5.6.110.0130.07321.01
5.6.100.0070.06720.89
5.6.90.0170.07020.95
5.6.80.0100.07720.54
5.5.350.0200.08020.41
5.5.340.0000.04017.93
5.5.330.0070.08320.53
5.5.320.0270.07720.24
5.5.310.0270.05320.32
5.5.300.0030.08317.93
5.5.290.0030.08717.99
5.5.280.0100.08320.91
5.5.270.0070.04320.78
5.5.260.0170.07720.80
5.5.250.0130.06020.59
5.5.240.0170.07020.20

preferences:
47.57 ms | 400 KiB | 5 Q