3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = ''; echo empty($i);

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)
8.3.60.0100.01016.38
8.3.50.0090.00616.56
8.3.40.0110.00418.71
8.3.30.0140.00018.59
8.3.20.0020.00520.26
8.3.10.0040.00421.77
8.3.00.0080.00019.38
8.2.180.0070.00716.50
8.2.170.0100.00722.96
8.2.160.0070.00720.52
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0000.00720.89
8.2.120.0040.00426.35
8.2.110.0000.01020.94
8.2.100.0080.00318.16
8.2.90.0050.00319.05
8.2.80.0040.00417.97
8.2.70.0090.00017.75
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0000.00720.59
8.2.30.0000.00720.96
8.2.20.0000.00717.98
8.2.10.0040.00417.92
8.2.00.0000.00718.04
8.1.280.0080.00625.92
8.1.270.0070.00022.06
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00423.79
8.1.230.0030.00819.16
8.1.220.0000.00817.76
8.1.210.0040.00418.77
8.1.200.0040.00417.13
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0040.00418.59
8.1.160.0000.00818.97
8.1.150.0030.00620.61
8.1.140.0040.00419.55
8.1.130.0000.00718.72
8.1.120.0000.00717.29
8.1.110.0040.00417.39
8.1.100.0080.00017.38
8.1.90.0050.00517.40
8.1.80.0000.00717.39
8.1.70.0000.00717.32
8.1.60.0000.00817.54
8.1.50.0050.00217.32
8.1.40.0040.00417.35
8.1.30.0030.00517.57
8.1.20.0050.00317.61
8.1.10.0000.00717.50
8.1.00.0050.00317.32
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0080.00018.45
8.0.270.0030.00317.17
8.0.260.0040.00416.88
8.0.250.0000.00616.98
8.0.240.0030.00316.95
8.0.230.0030.00316.75
8.0.220.0030.00316.86
8.0.210.0030.00316.79
8.0.200.0000.00616.77
8.0.190.0070.00316.86
8.0.180.0080.00016.75
8.0.170.0000.00716.88
8.0.160.0040.00416.80
8.0.150.0040.00416.60
8.0.140.0070.00416.78
8.0.130.0030.00313.31
8.0.120.0000.00716.69
8.0.110.0030.00316.93
8.0.100.0000.00716.64
8.0.90.0070.00016.87
8.0.80.0090.00616.80
8.0.70.0040.00416.82
8.0.60.0000.00716.82
8.0.50.0040.00416.81
8.0.30.0110.01016.75
8.0.20.0090.01117.40
8.0.10.0040.00416.79
8.0.00.0180.00316.77
7.4.330.0000.00515.55
7.4.320.0070.00016.30
7.4.300.0060.00016.55
7.4.290.0030.00716.52
7.4.280.0000.00716.38
7.4.270.0030.00316.43
7.4.260.0030.00313.27
7.4.250.0000.00716.41
7.4.240.0030.00316.44
7.4.230.0070.00016.50
7.4.220.0130.01316.48
7.4.210.0150.00316.44
7.4.200.0030.00416.61
7.4.160.0100.00816.53
7.4.150.0030.01417.40
7.4.140.0140.00417.86
7.4.130.0070.01116.37
7.4.120.0100.01316.39
7.4.110.0110.00716.42
7.4.100.0130.00316.22
7.4.90.0090.01316.63
7.4.80.0090.01419.39
7.4.70.0130.00316.48
7.4.60.0120.00616.37
7.4.50.0060.00616.57
7.4.40.0060.01016.30
7.4.30.0130.00316.52
7.4.00.0070.01014.90
7.3.330.0000.00612.96
7.3.320.0030.00313.02
7.3.310.0050.00216.22
7.3.300.0000.00616.14
7.3.290.0060.00316.16
7.3.280.0060.01016.12
7.3.270.0030.01517.40
7.3.260.0040.01516.29
7.3.250.0090.00916.33
7.3.240.0100.01116.26
7.3.230.0100.00716.24
7.3.210.0090.00616.09
7.3.200.0090.01316.32
7.3.190.0070.01016.11
7.3.180.0120.00316.39
7.3.170.0100.00716.43
7.3.160.0060.00916.50
7.2.330.0150.00316.34
7.2.320.0070.01016.34
7.2.310.0060.01016.27
7.2.300.0000.01716.55
7.2.290.0100.00816.23
7.2.60.0790.00614.89
7.2.00.0000.01219.37
7.1.200.0030.01015.41
7.1.100.0070.00717.94
7.1.70.0060.00616.97
7.1.60.0100.01434.66
7.1.50.0170.00734.75
7.1.40.0190.00634.36
7.1.30.0170.00734.18
7.1.20.0200.00334.54
7.1.10.0030.01016.30
7.1.00.0030.00816.38
7.0.200.0080.00316.74
7.0.190.0000.01116.55
7.0.180.0030.01016.04
7.0.170.0060.00616.13
7.0.160.0060.00616.11
7.0.150.0060.00616.10
7.0.140.0040.00716.16
7.0.130.0030.00816.41
7.0.120.0000.01116.14
7.0.110.0030.00916.04
7.0.100.0030.01016.11
7.0.90.0000.01416.27
7.0.80.0090.00316.34
7.0.70.0090.00416.07
7.0.60.0070.00716.08
7.0.50.0030.00916.29
7.0.40.0040.00816.37
7.0.30.0040.00816.44
7.0.20.0000.01216.42
7.0.10.0030.01416.45
7.0.00.0070.01016.32

preferences:
76.93 ms | 400 KiB | 5 Q