3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!class_exists(OptionalInterface::class)) { interface OptionalInterface {} } class Expression implements OptionalInterface {}

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)
8.5.20.0060.00420.25
8.5.10.0100.00916.57
8.5.00.0100.01119.96
8.4.170.0100.01123.87
8.4.160.0160.00620.60
8.4.150.0020.00114.05
8.4.140.0130.00817.28
8.4.130.0140.00617.91
8.4.120.0100.01022.58
8.4.110.0110.00918.68
8.4.100.0120.00918.91
8.4.90.0130.00720.54
8.4.80.0130.00719.15
8.4.70.0070.00119.24
8.4.60.0110.00519.46
8.4.50.0110.00918.66
8.4.40.0160.00318.84
8.4.30.0100.00720.58
8.4.20.0050.00521.09
8.4.10.0280.00517.94
8.3.300.0130.01118.09
8.3.290.0120.00720.69
8.3.280.0120.00918.39
8.3.270.0190.01216.33
8.3.260.0060.00416.71
8.3.250.0130.00718.72
8.3.240.0100.00716.78
8.3.230.0120.00616.43
8.3.220.0130.00518.91
8.3.210.0110.00516.65
8.3.200.0130.00616.48
8.3.190.0050.00317.10
8.3.180.0130.00518.91
8.3.170.0090.00917.36
8.3.160.0140.00318.43
8.3.150.0110.00717.18
8.3.140.0260.00716.35
8.3.130.0250.01116.40
8.3.120.0300.01016.31
8.3.110.0290.01016.40
8.3.100.0360.00916.37
8.3.90.0350.00716.31
8.3.80.0410.00516.37
8.3.70.0390.00816.39
8.3.60.0390.00716.36
8.3.50.0330.01016.38
8.3.40.0230.00917.40
8.3.30.0250.00617.39
8.3.20.0220.00817.23
8.3.10.0280.00717.33
8.3.00.0090.01017.33
8.2.300.0110.00920.46
8.2.290.0110.00517.24
8.2.280.0140.00516.53
8.2.270.0040.00416.62
8.2.260.0160.00416.81
8.2.250.0260.00916.36
8.2.240.0280.00816.34
8.2.230.0270.01016.21
8.2.220.0310.00716.46
8.2.210.0300.00716.25
8.2.200.0280.00616.34
8.2.190.0280.00716.24
8.2.180.0260.00816.33
8.2.170.0330.00717.48
8.2.160.0320.00617.42
8.2.150.0320.00717.36
8.2.140.0310.00817.32
8.2.130.0330.00817.33
8.2.120.0320.00817.46
8.2.110.0340.00617.44
8.2.100.0300.00817.32
8.2.90.0280.01017.51
8.2.80.0250.01017.44
8.2.70.0270.00717.27
8.2.60.0340.00717.30
8.2.50.0280.00917.40
8.2.40.0270.01017.50
8.2.30.0290.00717.36
8.2.20.0250.01017.41
8.2.10.0240.01217.33
8.2.00.0290.00817.44
8.1.340.0100.00921.59
8.1.330.0090.00916.13
8.1.320.0140.00515.98
8.1.310.0200.00316.08
8.1.300.0310.00816.17
8.1.290.0280.00716.09
8.1.280.0250.00616.08
8.1.270.0260.00717.27
8.1.260.0190.00617.33
8.1.250.0290.00517.24
8.1.240.0250.00817.03
8.1.230.0260.00717.14
8.1.220.0290.00517.13
8.1.210.0210.00917.10
8.1.200.0240.00717.09
8.1.190.0250.00517.04
8.1.180.0230.00716.97
8.1.170.0220.00917.19
8.1.160.0260.00617.11
8.1.150.0250.00817.17
8.1.140.0250.00917.00
8.1.130.0220.01017.15
8.1.120.0260.00617.14
8.1.110.0230.00817.20
8.1.100.0240.00817.08
8.1.90.0200.01017.10
8.1.80.0230.00717.15
8.1.70.0230.01017.14
8.1.60.0270.00817.21
8.1.50.0280.00717.29
8.1.40.0260.00817.20
8.1.30.0280.00617.35
8.1.20.0310.00417.29
8.1.10.0260.00517.17
8.1.00.0250.00516.98

preferences:
29.03 ms | 403 KiB | 5 Q