3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = empty(1); var_dump($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)
8.3.60.0140.00718.38
8.3.50.0090.00617.91
8.3.40.0100.01018.72
8.3.30.0060.01218.45
8.3.20.0040.00424.18
8.3.10.0020.00524.66
8.3.00.0080.00026.16
8.2.180.0040.01125.92
8.2.170.0120.00618.97
8.2.160.0140.00022.96
8.2.150.0000.00725.66
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00026.16
8.2.110.0060.00319.21
8.2.100.0040.00817.72
8.2.90.0000.00819.54
8.2.80.0000.00818.78
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0040.00419.76
8.2.30.0060.00317.61
8.2.20.0000.00720.61
8.2.10.0040.00417.45
8.2.00.0000.00719.17
8.1.280.0120.00325.92
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00619.16
8.1.230.0090.00317.70
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0050.00318.35
8.1.160.0000.00818.73
8.1.150.0040.00418.61
8.1.140.0000.00717.37
8.1.130.0030.00318.80
8.1.120.0040.00417.38
8.1.110.0000.00717.39
8.1.100.0070.00017.29
8.1.90.0030.00417.35
8.1.80.0030.00617.26
8.1.70.0000.00717.29
8.1.60.0040.00417.55
8.1.50.0030.00617.37
8.1.40.0060.00317.41
8.1.30.0000.00817.58
8.1.20.0040.00417.41
8.1.10.0000.00817.31
8.1.00.0000.00717.26
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0070.00018.25
8.0.270.0000.00716.73
8.0.260.0000.00618.38
8.0.250.0090.00016.82
8.0.240.0000.00816.87
8.0.230.0030.00316.75
8.0.220.0070.00016.83
8.0.210.0000.00716.75
8.0.200.0070.00016.88
8.0.190.0030.00516.77
8.0.180.0040.00416.88
8.0.170.0030.00616.78
8.0.160.0000.00816.86
8.0.150.0000.00716.80
8.0.140.0030.00316.63
8.0.130.0110.01116.77
8.0.120.0220.00316.78
8.0.110.0170.00716.75
8.0.100.0210.00316.80
8.0.90.0190.00516.62
8.0.80.0140.00216.73
8.0.70.0090.00716.73
8.0.60.0110.00416.86
8.0.50.0100.00516.79
8.0.30.0170.00316.69
8.0.20.0170.00716.70
8.0.10.0150.00816.86
8.0.00.0130.00316.87
7.4.330.0030.00315.55
7.4.320.0050.00316.43
7.4.300.0070.00016.41
7.4.290.0030.00416.52
7.4.280.0050.00316.55
7.4.270.0040.00416.57
7.4.260.0190.00816.39
7.4.250.0210.00616.40
7.4.240.0180.00716.41
7.4.230.0230.00616.55
7.4.220.0150.00916.30
7.4.210.0190.00316.40
7.4.200.0160.00716.50
7.4.190.0120.01216.38
7.4.180.0150.00716.36
7.4.160.0190.00316.36
7.4.150.0220.00016.38
7.4.140.0180.00416.41
7.4.130.0180.00416.30
7.4.120.0180.00616.23
7.4.110.0140.00716.29
7.4.100.0160.00816.41
7.4.90.0140.00816.25
7.4.80.0060.00316.30
7.4.70.0030.00616.31
7.4.60.0000.01016.29
7.4.50.0040.00416.30
7.4.40.0000.01016.23
7.4.30.0100.00316.17
7.4.20.0200.00216.37
7.4.10.0160.00616.17
7.4.00.0160.00716.19
7.3.330.0050.00515.98
7.3.320.0160.00716.16
7.3.310.0200.00316.14
7.3.300.0160.00416.16
7.3.290.0210.00316.08
7.3.280.0210.00015.95
7.3.270.0120.00616.16
7.3.260.0130.00816.09
7.3.250.0140.00815.96
7.3.240.0100.01215.94
7.3.230.0220.00216.11
7.3.220.0180.00216.18
7.3.210.0180.00316.10
7.3.200.0120.00716.07
7.3.190.0220.00316.07
7.3.180.0120.00616.10
7.3.170.0160.00616.03
7.3.160.0090.00616.04
7.3.150.0110.00816.11
7.3.140.0050.00916.03
7.3.130.0070.00515.95

preferences:
56.42 ms | 401 KiB | 5 Q