3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump ((string) null); var_dump((string) true); var_dump((string) false);

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)
8.3.60.0080.00616.38
8.3.50.0070.01416.21
8.3.40.0100.01018.67
8.3.30.0090.00618.45
8.3.20.0000.00720.22
8.3.10.0040.00421.73
8.3.00.0000.00819.13
8.2.180.0130.00618.29
8.2.170.0090.00622.96
8.2.160.0070.01020.39
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0070.00020.98
8.2.120.0040.00426.35
8.2.110.0090.00020.43
8.2.100.0080.00317.78
8.2.90.0000.00818.97
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0000.00817.68
8.2.50.0000.00818.10
8.2.40.0040.00420.38
8.2.30.0050.00320.85
8.2.20.0070.00017.92
8.2.10.0070.00017.93
8.2.00.0040.00417.89
8.1.280.0110.00325.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0070.00422.14
8.1.230.0070.00423.95
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0000.00817.10
8.1.180.0070.00018.10
8.1.170.0050.00320.30
8.1.160.0040.00418.86
8.1.150.0050.00220.64
8.1.140.0000.00719.30
8.1.130.0000.00718.67
8.1.120.0050.00217.28
8.1.110.0040.00417.34
8.1.100.0000.00717.22
8.1.90.0040.00417.35
8.1.80.0030.00417.15
8.1.70.0030.00317.30
8.1.60.0000.00817.41
8.1.50.0000.00717.29
8.1.40.0000.00817.39
8.1.30.0030.00517.58
8.1.20.0030.00617.41
8.1.10.0040.00417.27
8.1.00.0000.00717.18
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00718.30
8.0.270.0000.00717.12
8.0.260.0060.00016.73
8.0.250.0060.00016.91
8.0.240.0050.00316.77
8.0.230.0030.00316.77
8.0.220.0040.00416.84
8.0.210.0080.00016.68
8.0.200.0040.00416.79
8.0.190.0070.00316.89
8.0.180.0020.00516.80
8.0.170.0030.00316.87
8.0.160.0000.00716.74
8.0.150.0030.00316.61
8.0.140.0040.00416.72
8.0.130.0000.00613.30
8.0.120.0000.00716.66
8.0.110.0000.00916.76
8.0.100.0060.00316.77
8.0.90.0000.00716.79
8.0.80.0150.00316.86
8.0.70.0000.00816.71
8.0.60.0050.00316.71
8.0.50.0000.00816.88
8.0.30.0070.00816.93
8.0.20.0100.00817.40
8.0.10.0000.00716.77
8.0.00.0070.01116.60
7.4.330.0050.00015.55
7.4.320.0000.00616.37
7.4.300.0030.00316.46
7.4.290.0000.00716.43
7.4.280.0040.00416.52
7.4.270.0070.00016.45
7.4.260.0040.00416.46
7.4.250.0070.00016.27
7.4.240.0030.00316.46
7.4.230.0000.00716.20
7.4.220.0110.00616.46
7.4.210.0070.00716.51
7.4.200.0000.00716.53
7.4.160.0120.00716.35
7.4.150.0040.01317.40
7.4.140.0120.00617.86
7.4.130.0120.00616.16
7.4.120.0100.01016.29
7.4.110.0110.00716.29
7.4.100.0120.01216.25
7.4.90.0060.01316.45
7.4.80.0120.00919.39
7.4.70.0060.01016.60
7.4.60.0160.00016.46
7.4.50.0040.01516.39
7.4.40.0130.00316.42
7.4.30.0100.00516.33
7.4.00.0080.00814.63
7.3.330.0050.00012.88
7.3.320.0000.00612.93
7.3.310.0000.00716.25
7.3.300.0030.00316.21
7.3.290.0080.00616.20
7.3.280.0090.00816.17
7.3.270.0060.01117.40
7.3.260.0090.00916.15
7.3.250.0120.00816.24
7.3.240.0130.00616.26
7.3.230.0080.00816.04
7.3.210.0120.00616.34
7.3.200.0030.01616.29
7.3.190.0070.01116.40
7.3.180.0060.00916.35
7.3.170.0060.01016.17
7.3.160.0100.00716.47
7.3.10.0000.01516.47
7.3.00.0160.00016.14
7.2.330.0070.01016.43
7.2.320.0080.00816.58
7.2.310.0110.00716.21
7.2.300.0140.00516.50
7.2.290.0100.00716.41
7.2.130.0060.00616.57
7.2.120.0080.00416.79
7.2.110.0100.00716.85
7.2.100.0160.00316.71
7.2.90.0090.00616.34
7.2.80.0040.01016.73
7.2.70.0110.00816.66
7.2.60.0070.01316.66
7.2.50.0040.00816.57
7.2.40.0140.00716.47
7.2.30.0030.00916.91
7.2.20.0120.00616.75
7.2.10.0060.00316.52
7.2.00.0050.00917.92
7.1.250.0000.00915.64
7.1.200.0200.00715.77
7.1.100.0040.00818.07
7.1.70.0070.00716.81
7.1.60.0150.01534.72
7.1.50.0250.01134.44
7.1.40.0190.00634.34
7.1.30.0160.01034.14
7.1.20.0100.01734.67
7.1.10.0030.01016.61
7.1.00.0110.00716.46
7.0.200.0040.01216.80
7.0.190.0040.00716.36
7.0.180.0030.00916.25
7.0.170.0030.00916.11
7.0.160.0020.01116.09
7.0.150.0060.00616.30
7.0.140.0060.00616.16
7.0.130.0060.00616.50
7.0.120.0040.00916.22
7.0.110.0080.00416.30
7.0.100.0030.01316.16
7.0.90.0040.00816.20
7.0.80.0030.00916.08
7.0.70.0000.01316.02
7.0.60.0050.00816.21
7.0.50.0040.00916.23
7.0.40.0120.00616.64
7.0.30.0000.01716.50
7.0.20.0040.00816.17
7.0.10.0060.00616.30
7.0.00.0000.01316.53

preferences:
39.03 ms | 400 KiB | 5 Q