3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; echo (++$a)+(++$a);

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)
8.3.60.0120.00318.43
8.3.50.0140.00522.78
8.3.40.0000.01418.59
8.3.30.0140.00018.46
8.3.20.0040.00420.06
8.3.10.0030.00521.61
8.3.00.0080.00017.50
8.2.180.0070.00716.49
8.2.170.0140.00022.96
8.2.160.0120.00919.04
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00422.08
8.2.120.0040.00426.35
8.2.110.0140.00722.25
8.2.100.0000.01117.78
8.2.90.0060.00317.84
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0050.00317.93
8.2.50.0080.00018.10
8.2.40.0030.00620.66
8.2.30.0050.00319.18
8.2.20.0000.00717.68
8.2.10.0030.00317.98
8.2.00.0060.00317.98
8.1.280.0090.01225.92
8.1.270.0040.00423.97
8.1.260.0030.00628.09
8.1.250.0070.00028.09
8.1.240.0040.00422.41
8.1.230.0070.00320.89
8.1.220.0000.00817.74
8.1.210.0080.00018.81
8.1.200.0030.00617.23
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0040.00422.67
8.1.150.0000.00718.75
8.1.140.0040.00419.50
8.1.130.0030.00317.55
8.1.120.0030.00317.43
8.1.110.0040.00417.39
8.1.100.0030.00517.42
8.1.90.0040.00417.40
8.1.80.0000.00817.40
8.1.70.0030.00317.27
8.1.60.0040.00417.39
8.1.50.0000.00817.41
8.1.40.0000.00817.35
8.1.30.0030.00517.54
8.1.20.0040.00417.46
8.1.10.0000.01017.49
8.1.00.0050.00317.45
8.0.300.0000.00920.07
8.0.290.0000.00716.75
8.0.280.0000.00718.44
8.0.270.0030.00317.25
8.0.260.0030.00317.12
8.0.250.0000.00716.97
8.0.240.0050.00316.93
8.0.230.0030.00316.91
8.0.220.0070.00016.68
8.0.210.0040.00416.74
8.0.200.0040.00416.84
8.0.190.0040.00416.84
8.0.180.0000.00816.73
8.0.170.0000.00816.87
8.0.160.0050.00216.80
8.0.150.0030.00316.72
8.0.140.0040.00416.70
8.0.130.0060.00013.31
8.0.120.0040.00416.79
8.0.110.0000.00716.70
8.0.100.0000.00816.87
8.0.90.0000.00716.61
8.0.80.0130.00616.77
8.0.70.0000.00716.70
8.0.60.0030.00316.70
8.0.50.0040.00416.63
8.0.30.0080.00716.81
8.0.20.0120.00917.40
8.0.10.0080.00017.05
8.0.00.0030.01516.66
7.4.330.0000.00615.08
7.4.320.0070.00016.57
7.4.300.0070.00016.28
7.4.290.0000.00716.41
7.4.280.0040.00416.32
7.4.270.0040.00416.36
7.4.260.0040.00416.42
7.4.250.0070.00016.46
7.4.240.0000.00716.54
7.4.230.0050.00216.34
7.4.220.0040.01516.63
7.4.210.0090.00616.51
7.4.200.0070.00016.32
7.4.160.0030.01316.56
7.4.150.0120.00617.40
7.4.140.0060.01117.86
7.4.130.0070.01016.49
7.4.120.0050.01216.49
7.4.110.0030.02116.21
7.4.100.0070.01016.59
7.4.90.0030.01316.24
7.4.80.0070.01119.39
7.4.70.0100.01016.32
7.4.60.0120.00316.42
7.4.50.0130.00316.54
7.4.40.0060.01016.34
7.4.30.0120.00616.46
7.4.00.0070.00914.94
7.3.330.0050.00013.13
7.3.320.0020.00213.10
7.3.310.0070.00016.12
7.3.300.0060.00016.23
7.3.290.0060.00016.21
7.3.280.0070.01116.18
7.3.270.0130.00617.40
7.3.260.0170.00516.31
7.3.250.0090.00916.29
7.3.240.0100.00716.27
7.3.230.0140.00616.52
7.3.210.0070.01016.14
7.3.200.0100.00616.25
7.3.190.0090.00616.22
7.3.180.0070.01016.21
7.3.170.0130.00316.53
7.3.160.0160.00916.22
7.3.120.0060.00814.95
7.3.110.0030.01514.93
7.3.100.0100.00314.75
7.3.90.0060.00314.72
7.3.80.0030.00614.61
7.3.70.0030.00614.79
7.3.60.0000.01614.66
7.3.50.0030.00614.82
7.3.40.0090.00614.80
7.3.30.0070.00714.68
7.3.20.0030.01016.65
7.3.10.0100.00716.52
7.3.00.0140.00016.42
7.2.330.0130.00516.67
7.2.320.0060.01116.67
7.2.310.0110.00616.56
7.2.300.0090.00916.66
7.2.290.0100.00716.43
7.2.250.0060.00914.92
7.2.240.0040.01514.71
7.2.230.0100.00614.53
7.2.220.0110.00014.94
7.2.210.0080.00814.98
7.2.200.0050.00514.85
7.2.190.0060.00314.89
7.2.180.0100.00014.88
7.2.170.0070.00715.07
7.2.00.0000.01519.52
7.1.330.0000.01515.42
7.1.320.0000.01115.75
7.1.310.0070.00715.62
7.1.300.0060.00915.71
7.1.290.0080.00815.69
7.1.280.0090.00615.76
7.1.270.0030.00715.60
7.1.260.0100.00315.64
7.1.70.0030.00617.07
7.1.60.0030.01019.63
7.1.00.0000.08022.46
7.0.200.0450.00614.77
7.0.100.0370.08020.05
7.0.90.0500.08019.85
7.0.80.0400.07719.98
7.0.70.0470.08019.95
7.0.60.0430.08719.91
7.0.50.0430.08020.29
7.0.40.0070.07719.95
7.0.30.0130.08020.14
7.0.20.0070.08720.04
7.0.10.0170.07719.98
7.0.00.0070.06020.00
5.6.280.0030.07020.97
5.6.250.0070.08720.78
5.6.240.0100.07720.67
5.6.230.0170.07720.50
5.6.220.0130.03320.62
5.6.210.0070.04020.77
5.6.200.0070.08321.11
5.6.190.0230.07021.04
5.6.180.0170.07021.02
5.6.170.0170.07721.04
5.6.160.0070.07321.10
5.6.150.0130.07320.96
5.6.140.0070.08021.10
5.6.130.0200.07321.01
5.6.120.0030.08321.10
5.6.110.0070.07721.04
5.6.100.0170.05321.02
5.6.90.0000.09021.09
5.6.80.0170.05720.52
5.6.70.0030.08020.48
5.6.60.0100.07720.28
5.6.50.0030.07020.42
5.6.40.0070.08320.40
5.6.30.0130.07020.49
5.6.20.0030.08320.52
5.6.10.0070.07720.37
5.6.00.0070.07320.29
5.5.380.0130.06720.36
5.5.370.0070.06020.57
5.5.360.0030.04720.40
5.5.350.0200.06320.41
5.5.340.0030.08720.80
5.5.330.0170.07320.80
5.5.320.0030.05320.93
5.5.310.0100.08020.89
5.5.300.0170.07320.77
5.5.290.0100.07720.77
5.5.280.0100.07720.72
5.5.270.0130.08320.78
5.5.260.0100.08320.86
5.5.250.0030.08020.73
5.5.240.0070.05320.02
5.5.230.0030.08720.15
5.5.220.0070.07020.25
5.5.210.0100.06720.24
5.5.200.0000.07019.98
5.5.190.0030.08020.12
5.5.180.0100.08020.22
5.5.160.0170.04720.11
5.5.150.0030.08720.11
5.5.140.0100.07720.12
5.5.130.0170.07020.20
5.5.120.0000.08720.24
5.5.110.0000.08720.09
5.5.100.0230.03320.04
5.5.90.0070.08020.14
5.5.80.0130.07020.16
5.5.70.0100.08020.06
5.5.60.0130.03719.92
5.5.50.0100.07020.05
5.5.40.0100.07320.04
5.5.30.0070.05720.05
5.5.20.0100.08019.99
5.5.10.0100.04720.07
5.5.00.0100.07720.07

preferences:
31.9 ms | 401 KiB | 5 Q