3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 2; $b = $a<<2; echo $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)
8.3.60.0140.00716.50
8.3.50.0070.01421.21
8.3.40.0100.01018.64
8.3.30.0150.00018.55
8.3.20.0000.00718.86
8.3.10.0040.00421.60
8.3.00.0080.00020.77
8.2.180.0040.01118.04
8.2.170.0060.00922.96
8.2.160.0100.00320.10
8.2.150.0070.00325.66
8.2.140.0040.00424.66
8.2.130.0040.00419.82
8.2.120.0040.00426.35
8.2.110.0060.00322.25
8.2.100.0080.00417.72
8.2.90.0030.00517.75
8.2.80.0060.00317.97
8.2.70.0000.00817.80
8.2.60.0040.00418.03
8.2.50.0030.00618.10
8.2.40.0050.00320.55
8.2.30.0040.00419.21
8.2.20.0050.00318.05
8.2.10.0040.00418.10
8.2.00.0000.00717.63
8.1.280.0130.01025.92
8.1.270.0030.00622.20
8.1.260.0040.00428.09
8.1.250.0000.00928.09
8.1.240.0080.00322.42
8.1.230.0040.00820.84
8.1.220.0080.00018.77
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.00
8.1.180.0030.00618.10
8.1.170.0040.00418.57
8.1.160.0000.00718.80
8.1.150.0000.00718.56
8.1.140.0050.00319.46
8.1.130.0070.00017.56
8.1.120.0000.00917.32
8.1.110.0040.00417.37
8.1.100.0000.00717.30
8.1.90.0000.00717.27
8.1.80.0000.00717.38
8.1.70.0080.00017.35
8.1.60.0040.00417.46
8.1.50.0030.00517.46
8.1.40.0040.00417.47
8.1.30.0040.00417.60
8.1.20.0040.00417.55
8.1.10.0000.00717.51
8.1.00.0040.00417.45
8.0.300.0070.00020.02
8.0.290.0050.00516.73
8.0.280.0050.00318.34
8.0.270.0040.00417.16
8.0.260.0030.00317.18
8.0.250.0030.00316.98
8.0.240.0030.00316.97
8.0.230.0080.00016.89
8.0.220.0070.00016.79
8.0.210.0000.00716.70
8.0.200.0000.00616.76
8.0.190.0000.00716.94
8.0.180.0000.00716.86
8.0.170.0060.00316.85
8.0.160.0000.00716.81
8.0.150.0030.00316.77
8.0.140.0000.00816.78
8.0.130.0000.00713.22
8.0.120.0070.00016.79
8.0.110.0030.00316.59
8.0.100.0000.00716.80
8.0.90.0070.00016.75
8.0.80.0000.01516.79
8.0.70.0050.00316.77
8.0.60.0040.00416.73
8.0.50.0040.00416.86
8.0.30.0070.01417.06
8.0.20.0100.01017.40
8.0.10.0000.00716.92
8.0.00.0040.01916.75
7.4.330.0030.00315.55
7.4.320.0040.00416.53
7.4.300.0060.00016.31
7.4.290.0070.00016.47
7.4.280.0060.00316.51
7.4.270.0030.00316.50
7.4.260.0000.00716.27
7.4.250.0000.00716.39
7.4.240.0040.00416.42
7.4.230.0040.00416.41
7.4.220.0100.00716.35
7.4.210.0080.00716.50
7.4.200.0000.00716.50
7.4.160.0090.00716.46
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0110.00716.46
7.4.120.0140.00216.45
7.4.110.0060.01016.49
7.4.100.0070.01016.55
7.4.90.0060.01516.29
7.4.80.0130.00719.39
7.4.70.0140.00616.43
7.4.60.0030.01316.52
7.4.50.0070.00716.60
7.4.40.0080.00816.43
7.4.30.0070.01016.61
7.4.00.0040.00915.04
7.3.330.0000.00512.95
7.3.320.0000.00513.06
7.3.310.0000.00716.12
7.3.300.0000.00716.23
7.3.290.0070.00016.21
7.3.280.0060.01316.17
7.3.270.0120.00617.40
7.3.260.0130.00516.38
7.3.250.0140.00716.45
7.3.240.0090.00916.38
7.3.230.0100.00716.39
7.3.210.0120.00416.14
7.3.200.0080.01416.46
7.3.190.0070.01016.47
7.3.180.0140.00716.16
7.3.170.0150.00916.23
7.3.160.0120.00916.52
7.2.330.0030.01416.68
7.2.320.0140.01016.48
7.2.310.0090.00916.23
7.2.300.0120.00916.59
7.2.290.0110.00516.60
7.1.70.0000.01416.65
7.1.60.0040.00716.77
7.1.00.0070.07322.32
7.0.200.0270.00614.59
7.0.130.0070.05722.04
7.0.120.0170.06022.09
7.0.110.0170.07721.99
7.0.100.0130.05722.02
7.0.90.0170.06322.06
7.0.80.0130.06022.10
7.0.70.0130.06022.04
7.0.60.0100.06021.99
7.0.50.0170.07722.00
7.0.40.0100.07722.07
7.0.30.0370.03722.07
7.0.20.0070.06722.11
7.0.10.0200.06022.15
7.0.00.0300.05022.07
5.6.280.0170.07021.09
5.6.270.0100.05720.96
5.6.260.0200.06020.91
5.6.250.0130.05021.03
5.6.240.0100.06020.77
5.6.230.0100.05720.86
5.6.220.0100.05721.07
5.6.210.0100.07020.95
5.6.200.0170.06021.00
5.6.190.0100.07721.00
5.6.180.0030.09321.04
5.6.170.0030.06321.08
5.6.160.0100.06320.82
5.6.150.0200.06021.00
5.6.140.0030.08020.78
5.6.130.0170.07320.82
5.6.120.0130.07721.00
5.6.110.0170.07020.82
5.6.100.0130.08020.99
5.6.90.0130.07320.90
5.6.80.0170.05720.21
5.6.70.0130.07020.38
5.6.60.0100.07720.22
5.6.50.0070.05720.21
5.6.40.0070.07720.42
5.6.30.0230.06320.39
5.6.20.0200.06720.27
5.6.10.0170.06320.10
5.6.00.0030.07720.37

preferences:
34.47 ms | 401 KiB | 5 Q