3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() { return (string)[] ?: ''; } var_dump(test());

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)
8.3.60.0080.00818.30
8.3.50.0130.00717.99
8.3.40.0070.01020.30
8.3.30.0100.00718.59
8.3.20.0000.00721.77
8.3.10.0040.00420.22
8.3.00.0090.00020.52
8.2.180.0040.01118.29
8.2.170.0040.01122.96
8.2.160.0120.00919.29
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00426.16
8.2.110.0090.00319.37
8.2.100.0000.01117.59
8.2.90.0040.00418.04
8.2.80.0080.00018.63
8.2.70.0080.00017.38
8.2.60.0050.00317.50
8.2.50.0050.00318.05
8.2.40.0000.00818.16
8.2.30.0020.00517.94
8.2.20.0030.00618.03
8.2.10.0000.00819.15
8.2.00.0040.00419.23
8.1.280.0100.00725.92
8.1.270.0030.00623.86
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00620.91
8.1.230.0090.00320.96
8.1.220.0000.00818.57
8.1.210.0030.00518.77
8.1.200.0040.00417.25
8.1.190.0080.00017.10
8.1.180.0040.00718.10
8.1.170.0050.00317.62
8.1.160.0040.00421.93
8.1.150.0000.00718.81
8.1.140.0040.00418.73
8.1.130.0000.00720.11
8.1.120.0050.00217.43
8.1.110.0030.00617.27
8.1.100.0000.00817.38
8.1.90.0060.00317.36
8.1.80.0040.00417.38
8.1.70.0060.00017.39
8.1.60.0050.00217.39
8.1.50.0070.00017.34
8.1.40.0040.00417.51
8.1.30.0040.00417.49
8.1.20.0040.00417.50
8.1.10.0030.00617.42
8.1.00.0000.00817.25
8.0.300.0050.00218.77
8.0.290.0080.00016.63
8.0.280.0050.00218.30
8.0.270.0030.00318.00
8.0.260.0000.00919.92
8.0.250.0030.00316.91
8.0.240.0080.00016.91
8.0.230.0000.00816.91
8.0.220.0000.00816.75
8.0.210.0070.00016.81
8.0.200.0030.00316.86
8.0.190.0050.00316.95
8.0.180.0040.00416.87
8.0.170.0030.00616.88
8.0.160.0040.00416.77
8.0.150.0070.00316.82
8.0.140.0030.00516.73
8.0.130.0030.00313.37
8.0.120.0070.00016.75
8.0.110.0080.00016.91
8.0.100.0030.00316.66
8.0.90.0090.00016.93
8.0.80.0080.01016.84
8.0.70.0000.00716.93
8.0.60.0040.00416.91
8.0.50.0000.00716.73
8.0.30.0070.01117.03
8.0.20.0130.00617.32
8.0.10.0030.00616.89
8.0.00.0140.00316.79
7.4.330.0020.00215.55
7.4.320.0030.00316.43
7.4.300.0060.00016.43
7.4.290.0050.00316.49
7.4.280.0040.00416.43
7.4.270.0000.00716.51
7.4.260.0060.00013.19
7.4.250.0000.00716.46
7.4.240.0050.00216.50
7.4.230.0000.00716.52
7.4.220.0000.00716.59
7.4.210.0090.00516.54
7.4.200.0000.00716.42
7.4.130.0110.00716.45
7.4.120.0040.01416.56
7.4.110.0160.00316.50
7.4.100.0070.01316.53
7.4.90.0040.01416.56
7.4.80.0130.00719.39
7.4.70.0130.00616.30
7.4.60.0030.01316.57
7.4.50.0030.00916.48
7.4.40.0140.00716.38
7.4.30.0100.00716.36
7.4.20.0100.00716.38
7.4.10.0100.00716.38
7.4.00.0030.01516.26
7.3.330.0070.00016.12
7.3.320.0000.00613.24
7.3.310.0000.00716.32
7.3.300.0000.00616.24
7.3.290.0070.00916.28
7.3.280.0030.01216.29
7.3.260.0110.00616.34
7.3.240.0110.00616.46
7.3.230.0100.00716.33
7.3.210.0000.01616.21
7.3.200.0170.00616.21
7.3.190.0000.02016.27
7.3.180.0170.00416.33
7.3.170.0070.01016.51
7.3.160.0130.00716.37
7.3.150.0140.00316.48
7.3.140.0090.00616.47
7.3.130.0090.00916.29
7.3.120.0040.01516.20
7.3.110.0030.01316.50
7.3.100.0120.00616.26
7.3.90.0040.01216.50
7.3.80.0090.00916.43
7.3.70.0090.00816.33
7.3.60.0030.01216.27
7.3.50.0090.00916.32
7.3.40.0140.00316.11
7.3.30.0060.01216.31
7.3.20.0070.01116.28
7.3.10.0070.01716.31
7.3.00.0100.01316.27
7.2.330.0100.01316.29
7.2.320.0140.00316.66
7.2.310.0120.00916.62
7.2.300.0140.00416.50
7.2.290.0090.00916.62
7.2.280.0090.00916.46
7.2.270.0030.01516.59
7.2.260.0130.00316.39
7.2.250.0130.00616.40
7.2.240.0100.00716.67
7.2.230.0000.01616.64
7.2.220.0100.00616.30
7.2.210.0090.00816.44
7.2.200.0080.00816.36
7.2.190.0060.01116.50
7.2.180.0120.00316.45
7.2.170.0100.00716.44
7.2.160.0090.00916.54
7.2.150.0150.00916.65
7.2.140.0280.00916.43
7.2.130.0100.01416.55
7.2.120.0130.01016.52
7.2.110.0130.00716.36
7.2.100.0100.00916.45
7.2.90.0070.01416.51
7.2.80.0080.01416.63
7.2.70.0150.00616.54
7.2.60.0070.01516.51
7.2.50.0160.00616.56
7.2.40.0140.01016.60
7.2.30.0170.00616.45
7.2.20.0100.01016.52
7.2.10.0090.00916.45
7.2.00.0120.00616.54

preferences:
60.09 ms | 400 KiB | 5 Q