3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x {} $z='x'; var_dump(new $z); var_dump(new$z);

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
8.3.50.0100.00718.19
8.3.40.0070.01318.84
8.3.30.0090.00618.54
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0030.01425.92
8.2.170.0120.00318.96
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00420.69
8.2.110.0100.00020.39
8.2.100.0090.00317.72
8.2.90.0090.00020.58
8.2.80.0060.00317.97
8.2.70.0050.00317.91
8.2.60.0030.00718.17
8.2.50.0030.00618.10
8.2.40.0050.00319.18
8.2.30.0030.00519.19
8.2.20.0000.00717.88
8.2.10.0000.00719.23
8.2.00.0050.00319.09
8.1.280.0140.00025.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.79
8.1.230.0110.00020.83
8.1.220.0040.00417.74
8.1.210.0000.00819.16
8.1.200.0080.00017.23
8.1.190.0000.00817.10
8.1.180.0030.00718.10
8.1.170.0000.00818.50
8.1.160.0040.00418.96
8.1.150.0040.00418.73
8.1.140.0030.00520.51
8.1.130.0000.00717.44
8.1.120.0050.00317.29
8.1.110.0040.00417.27
8.1.100.0080.00017.38
8.1.90.0060.00317.41
8.1.80.0040.00417.31
8.1.70.0000.00817.42
8.1.60.0050.00317.53
8.1.50.0030.00617.50
8.1.40.0050.00317.35
8.1.30.0030.00817.59
8.1.20.0040.00417.57
8.1.10.0040.00417.53
8.1.00.0000.00917.56
8.0.300.0000.00820.04
8.0.290.0030.00516.63
8.0.280.0000.00718.28
8.0.270.0030.00316.75
8.0.260.0070.00016.75
8.0.250.0080.00016.91
8.0.240.0030.00316.82
8.0.230.0000.00716.87
8.0.220.0030.00316.84
8.0.210.0000.00716.82
8.0.200.0000.00716.84
8.0.190.0030.00416.82
8.0.180.0040.00416.78
8.0.170.0030.00616.86
8.0.160.0040.00416.84
8.0.150.0030.00316.73
8.0.140.0050.00216.69
8.0.130.0000.00513.27
8.0.120.0030.00516.80
8.0.110.0070.00016.82
8.0.100.0030.00516.73
8.0.90.0040.00416.62
8.0.80.0100.00416.84
8.0.70.0050.00316.77
8.0.60.0030.00516.81
8.0.50.0000.00716.84
8.0.30.0100.00717.28
8.0.20.0110.01116.95
8.0.10.0000.00716.88
8.0.00.0060.01316.86
7.4.330.0050.00015.55
7.4.320.0000.00716.54
7.4.300.0090.00016.42
7.4.290.0070.00016.55
7.4.280.0080.00016.33
7.4.270.0070.00016.53
7.4.260.0030.00313.21
7.4.250.0000.00716.39
7.4.240.0000.00716.57
7.4.230.0050.00216.57
7.4.220.0000.00816.36
7.4.210.0060.00916.47
7.4.200.0040.00416.54
7.4.130.0100.01116.38
7.4.120.0130.01016.46
7.4.110.0180.00416.42
7.4.100.0060.01216.39
7.4.90.0120.01216.09
7.4.80.0070.01116.34
7.4.70.0160.00816.41
7.4.60.0080.01216.29
7.4.50.0140.00516.22
7.4.40.0060.01216.25
7.4.30.0100.01716.03
7.4.20.0130.00816.21
7.4.10.0120.01316.34
7.4.00.0110.00716.50
7.3.330.0040.00416.21
7.3.320.0040.00413.09
7.3.310.0030.00316.28
7.3.300.0040.00316.23
7.3.290.0090.00516.22
7.3.280.0090.00616.22
7.3.260.0030.01916.24
7.3.230.0090.00916.23
7.3.210.0110.01416.29
7.3.200.0140.01116.28
7.3.190.0100.01416.11
7.3.180.0190.00316.13
7.3.170.0060.01216.37
7.3.160.0150.01016.46
7.3.150.0100.01016.16
7.3.140.0090.01516.30
7.3.130.0200.00016.10
7.3.120.0120.00616.21
7.3.110.0090.00916.34
7.3.100.0090.00916.43
7.3.90.0160.00716.08
7.3.80.0030.01416.05
7.3.70.0130.00516.10
7.3.60.0100.00516.12
7.3.50.0170.00016.23
7.3.40.0040.01316.28
7.3.30.0090.01516.01
7.3.20.0160.01016.26
7.3.10.0040.01716.29
7.3.00.0240.01216.28
7.2.330.0190.00716.53
7.2.320.0100.01016.25
7.2.310.0090.01016.34
7.2.300.0070.01116.31
7.2.290.0140.01416.36
7.2.280.0060.01216.45
7.2.270.0170.00816.29
7.2.260.0150.00416.48
7.2.250.0100.01716.43
7.2.240.0090.00916.46
7.2.230.0050.01316.23
7.2.220.0170.01016.23
7.2.210.0130.01116.41
7.2.200.0000.02116.29
7.2.190.0030.01616.25
7.2.180.0070.01116.38
7.2.170.0090.00916.25
7.2.160.0080.01316.19
7.2.150.0100.01316.29
7.2.140.0100.01016.52
7.2.130.0070.01416.48
7.2.120.0100.01016.30
7.2.110.0070.01516.43
7.2.100.0070.01116.55
7.2.90.0080.01116.21
7.2.80.0140.00716.43
7.2.70.0050.01316.39
7.2.60.0040.01516.44
7.2.50.0080.01116.45
7.2.40.0130.00816.53
7.2.30.0120.01216.50
7.2.20.0250.01716.41
7.2.10.0120.01216.39
7.2.00.0090.00916.41

preferences:
89.84 ms | 401 KiB | 5 Q