3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private function test($str = null) { echo $str; } } class B extends A { private function test() { echo 'b'; } } $b = new 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)
8.3.40.0070.01418.54
8.3.30.0140.00018.45
8.3.20.0000.00720.30
8.3.10.0040.00421.60
8.3.00.0060.00320.74
8.2.170.0140.00022.96
8.2.160.0060.00918.89
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00020.52
8.2.120.0050.00326.35
8.2.110.0050.00520.52
8.2.100.0100.00317.78
8.2.90.0050.00319.17
8.2.80.0000.00917.97
8.2.70.0000.00917.63
8.2.60.0060.00319.09
8.2.50.0000.00818.10
8.2.40.0070.00020.42
8.2.30.0020.00519.18
8.2.20.0000.00717.67
8.2.10.0070.00017.98
8.2.00.0050.00218.01
8.1.270.0040.00423.80
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00323.79
8.1.230.0080.00320.99
8.1.220.0070.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0050.00317.23
8.1.180.0050.00218.10
8.1.170.0040.00418.61
8.1.160.0040.00419.00
8.1.150.0070.00018.81
8.1.140.0040.00419.51
8.1.130.0000.00717.67
8.1.120.0030.00317.30
8.1.110.0070.00017.37
8.1.100.0040.00417.30
8.1.90.0020.00517.40
8.1.80.0070.00017.40
8.1.70.0000.00817.41
8.1.60.0000.00717.53
8.1.50.0040.00417.39
8.1.40.0030.00617.43
8.1.30.0040.00417.61
8.1.20.0000.00717.64
8.1.10.0040.00417.47
8.1.00.0100.00017.41
8.0.300.0030.00518.77
8.0.290.0060.00316.58
8.0.280.0030.00318.42
8.0.270.0040.00417.23
8.0.260.0050.00317.23
8.0.250.0060.00016.79
8.0.240.0030.00316.86
8.0.230.0000.00716.89
8.0.220.0040.00416.81
8.0.210.0000.00816.84
8.0.200.0000.00616.89
8.0.190.0030.00516.91
8.0.180.0000.00716.84
8.0.170.0000.00716.75
8.0.160.0000.00716.88
8.0.150.0070.00016.79
8.0.140.0070.00016.77
8.0.130.0030.00313.27
8.0.120.0030.00516.80
8.0.110.0000.00816.77
8.0.100.0000.00816.76
8.0.90.0000.00816.94
8.0.80.0090.00616.86
8.0.70.0040.00416.69
8.0.60.0030.00316.86
8.0.50.0000.00716.88
8.0.30.0090.00917.14
8.0.20.0110.00717.40
8.0.10.0000.00716.79
8.0.00.0060.01316.65
7.4.330.0040.00015.08
7.4.320.0070.00016.43
7.4.300.0000.00716.51
7.4.290.0000.00816.32
7.4.280.0040.00416.52
7.4.270.0040.00416.46
7.4.260.0000.00816.42
7.4.250.0070.00016.39
7.4.240.0070.00016.57
7.4.230.0000.00716.55
7.4.220.0070.01116.57
7.4.210.0050.01116.44
7.4.200.0070.00016.18
7.4.160.0110.00416.45
7.4.150.0150.00917.40
7.4.140.0100.01117.86
7.4.130.0060.01016.40
7.4.120.0110.00816.44
7.4.110.0160.00316.54
7.4.100.0100.00716.38
7.4.90.0100.00716.46
7.4.80.0130.00519.39
7.4.70.0110.01016.39
7.4.60.0100.00716.36
7.4.50.0040.01116.21
7.4.40.0130.01016.52
7.4.30.0140.00416.48
7.4.00.0060.01214.62
7.3.330.0070.00013.12
7.3.320.0050.00013.04
7.3.310.0030.00316.19
7.3.300.0040.00416.17
7.3.290.0000.00716.18
7.3.280.0090.00816.14
7.3.270.0070.01117.40
7.3.260.0070.01016.19
7.3.250.0100.00716.34
7.3.240.0120.00516.22
7.3.230.0130.01016.39
7.3.210.0110.00816.39
7.3.200.0100.00716.21
7.3.190.0100.00716.13
7.3.180.0170.00316.39
7.3.170.0030.01316.30
7.3.160.0100.01016.23
7.3.120.0030.01314.79
7.3.110.0070.00714.37
7.3.100.0090.00414.71
7.3.90.0050.00914.77
7.3.80.0070.00714.83
7.3.70.0060.00614.58
7.3.60.0070.00814.69
7.3.50.0050.01014.60
7.3.40.0060.00414.53
7.3.30.0050.01214.81
7.3.20.0080.00516.49
7.3.10.0100.00516.65
7.3.00.0090.00416.48
7.2.330.0070.01016.60
7.2.320.0130.00616.43
7.2.310.0090.00916.57
7.2.300.0130.00316.45
7.2.290.0060.01216.66
7.2.240.0060.01114.91
7.2.230.0030.01114.71
7.2.220.0120.00014.85
7.2.210.0090.00614.85
7.2.200.0080.00614.80
7.2.190.0030.01314.77
7.2.180.0120.00314.76
7.2.170.0060.00514.76
7.2.160.0090.00614.84
7.2.150.0130.00216.73
7.2.140.0020.01216.75
7.2.130.0060.00616.78
7.2.120.0090.00616.80
7.2.110.0060.00916.58
7.2.100.0110.00516.71
7.2.90.0030.01016.88
7.2.80.0080.00616.94
7.2.70.0100.00516.65
7.2.60.0030.00916.66
7.2.50.0030.00916.73
7.2.40.0050.00616.81
7.2.30.0110.00516.77
7.2.20.0050.01116.80
7.2.10.0070.00816.83
7.2.00.0050.00917.67
7.1.330.0070.00615.51
7.1.320.0040.00615.52
7.1.310.0000.01315.54
7.1.300.0060.01115.41
7.1.290.0050.00615.57
7.1.280.0070.00715.70
7.1.270.0100.00615.62
7.1.260.0050.00915.61
7.1.250.0100.00515.61
7.1.200.0040.00815.34
7.1.100.0000.01117.61
7.1.70.0000.00816.91
7.1.60.0100.01019.90
7.1.00.0030.07722.48
7.0.200.0290.01014.75
7.0.80.0370.09020.13
7.0.70.0630.04319.91
7.0.60.0570.07319.92
7.0.50.0600.07720.29
7.0.40.0070.07720.14
7.0.30.0000.09020.19
7.0.20.0100.06720.14
7.0.10.0030.07720.04
7.0.00.0030.05720.03
5.6.280.0070.07021.08
5.6.230.0100.08020.60
5.6.220.0070.06320.62
5.6.210.0070.08020.56
5.6.200.0070.04721.15
5.6.190.0130.04321.07
5.6.180.0030.08321.06
5.6.170.0170.06021.05
5.6.160.0170.07021.08
5.6.150.0000.08320.96
5.6.140.0070.08321.05
5.6.130.0030.05721.11
5.6.120.0000.05721.03
5.6.110.0130.08021.13
5.6.100.0070.05721.07
5.6.90.0070.04721.04
5.6.80.0070.05320.41
5.6.70.0000.04720.38
5.6.60.0100.07320.42
5.6.50.0100.06720.39
5.6.40.0130.07320.36
5.6.30.0170.06720.35
5.6.20.0170.07320.38
5.6.10.0070.06720.38
5.6.00.0130.07020.35
5.5.370.0100.08020.43
5.5.360.0100.07320.39
5.5.350.0100.08720.47
5.5.340.0070.07720.77
5.5.330.0170.07320.83
5.5.320.0070.07720.80
5.5.310.0170.07320.74
5.5.300.0300.03720.88
5.5.290.0030.08720.83
5.5.280.0100.05020.84
5.5.270.0070.08020.88
5.5.260.0070.08720.76
5.5.250.0070.07020.67
5.5.240.0100.07720.22
5.5.230.0170.06720.27
5.5.220.0130.07020.20
5.5.210.0030.04720.26
5.5.200.0070.06020.07
5.5.190.0170.07020.13
5.5.180.0070.07720.14
5.5.160.0070.07720.25
5.5.150.0070.05020.26
5.5.140.0030.08020.28
5.5.130.0100.06720.18
5.5.120.0030.05320.11
5.5.110.0200.06719.99
5.5.100.0100.07320.08
5.5.90.0170.04320.07
5.5.80.0100.06720.17
5.5.70.0070.07720.15
5.5.60.0070.07720.03
5.5.50.0170.07020.05
5.5.40.0200.06320.03
5.5.30.0170.06020.05
5.5.20.0030.05320.14
5.5.10.0070.08019.99
5.5.00.0030.06020.09

preferences:
79.07 ms | 400 KiB | 5 Q