3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(count((array) null), count(null)); var_dump(count((array) false), count(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)
8.4.140.0110.01117.72
8.4.130.0120.00817.93
8.4.120.0140.00520.45
8.4.110.0080.00822.48
8.4.100.0120.00718.11
8.4.90.0150.00517.84
8.4.80.0090.00419.58
8.4.70.0080.00617.90
8.4.60.0090.01018.48
8.4.50.0080.00917.70
8.4.40.0110.00017.75
8.4.30.0160.00319.39
8.4.20.0030.01720.34
8.4.10.0030.00617.95
8.3.260.0090.01116.76
8.3.250.0110.00818.87
8.3.240.0110.00816.89
8.3.230.0030.00716.82
8.3.220.0070.00219.06
8.3.210.0060.00216.79
8.3.200.0070.00416.80
8.3.190.0090.00717.36
8.3.180.0100.00518.54
8.3.170.0120.00317.22
8.3.160.0030.01620.87
8.3.150.0070.00717.02
8.3.140.0060.01216.86
8.3.130.0000.00918.57
8.3.120.0000.00920.59
8.3.110.0060.00320.94
8.3.100.0040.00724.06
8.3.90.0080.00026.77
8.3.80.0060.00618.43
8.3.70.0070.01418.55
8.3.60.0040.01118.05
8.3.50.0050.00817.89
8.3.40.0120.00318.77
8.3.30.0000.01418.68
8.3.20.0000.00818.89
8.3.10.0040.00420.95
8.3.00.0000.00723.56
8.2.290.0060.00220.24
8.2.280.0100.00918.48
8.2.270.0040.00416.54
8.2.260.0100.00318.74
8.2.250.0030.00518.66
8.2.240.0030.00619.03
8.2.230.0030.00522.58
8.2.220.0060.00337.54
8.2.210.0050.00326.77
8.2.200.0030.00616.75
8.2.190.0070.00716.58
8.2.180.0120.00918.54
8.2.170.0120.00922.96
8.2.160.0080.00520.43
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0000.00719.70
8.2.120.0040.00726.35
8.2.110.0030.00621.12
8.2.100.0090.00317.72
8.2.90.0050.00317.91
8.2.80.0080.00017.97
8.2.70.0040.00417.80
8.2.60.0000.00818.03
8.2.50.0050.00218.10
8.2.40.0080.00019.35
8.2.30.0070.00019.48
8.2.20.0040.00418.04
8.2.10.0040.00418.04
8.2.00.0040.00419.36
8.1.330.0080.01117.93
8.1.320.0100.00816.28
8.1.310.0000.00816.88
8.1.300.0030.00618.49
8.1.290.0040.00430.84
8.1.280.0100.00725.92
8.1.270.0050.00220.29
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0060.00321.99
8.1.230.0070.00622.82
8.1.220.0040.00417.74
8.1.210.0080.00318.77
8.1.200.0000.00817.23
8.1.190.0090.00017.12
8.1.180.0070.00018.10
8.1.170.0050.00318.59
8.1.160.0020.00518.72
8.1.150.0000.00718.75
8.1.140.0080.00017.62
8.1.130.0000.00718.89
8.1.120.0070.00317.22
8.1.110.0000.00917.39
8.1.100.0000.00717.34
8.1.90.0040.00417.27
8.1.80.0030.00317.38
8.1.70.0040.00417.43
8.1.60.0100.00017.36
8.1.50.0060.00317.32
8.1.40.0040.00417.34
8.1.30.0030.00517.60
8.1.20.0040.00417.56
8.1.10.0000.00717.41
8.1.00.0030.00517.43
8.0.300.0060.00319.73
8.0.290.0040.00416.75
8.0.280.0030.00318.27
8.0.270.0030.00317.09
8.0.260.0030.00317.18
8.0.250.0000.00816.93
8.0.240.0070.00316.94
8.0.230.0000.00816.77
8.0.220.0000.00716.75
8.0.210.0000.00716.86
8.0.200.0060.00016.97
8.0.190.0040.00416.96
8.0.180.0040.00416.99
8.0.170.0080.00316.84
8.0.160.0000.00716.91
8.0.150.0000.00716.77
8.0.140.0070.00016.89
8.0.130.0060.00013.42
8.0.120.0000.00716.84
8.0.110.0040.00316.91
8.0.100.0040.00416.94
8.0.90.0030.00316.72
8.0.80.0050.01316.92
8.0.70.0000.00716.82
8.0.60.0000.00716.84
8.0.50.0040.00416.83
8.0.30.0060.01317.09
8.0.20.0060.02217.40
8.0.10.0040.00416.85
8.0.00.0080.01016.74
7.4.330.0000.00515.55
7.4.320.0000.00616.53
7.4.300.0030.00316.37
7.4.290.0070.00016.42
7.4.280.0080.00316.40
7.4.270.0000.00616.47
7.4.260.0000.00716.30
7.4.250.0030.00516.48
7.4.240.0070.00016.50
7.4.230.0070.00016.62
7.4.220.0050.00216.52
7.4.210.0070.00916.53
7.4.200.0070.00016.42
7.4.160.0090.00716.43
7.4.140.0070.01217.86
7.4.130.0120.00416.34
7.4.120.0090.01016.36
7.4.110.0090.00916.51
7.4.100.0060.01016.52
7.4.90.0120.00416.31
7.4.80.0130.01019.39
7.4.70.0060.00916.61
7.4.60.0080.00816.58
7.4.50.0070.00716.17
7.4.40.0060.01216.46
7.4.00.0070.00714.68
7.3.330.0050.00013.17
7.3.320.0000.00612.98
7.3.310.0000.00716.20
7.3.300.0030.00316.24
7.3.290.0000.00716.16
7.3.280.0070.00716.21
7.3.260.0090.00916.26
7.3.240.0120.00516.31
7.3.230.0080.00816.17
7.3.210.0040.01516.30
7.3.200.0070.01216.29
7.3.190.0080.00816.23
7.3.180.0140.00316.28
7.3.170.0070.01016.26
7.3.160.0030.01316.33
7.2.330.0070.01016.25
7.2.320.0090.00916.32
7.2.310.0110.00816.52
7.2.300.0100.00716.61
7.2.290.0140.00716.57
7.2.60.1660.00914.86
7.2.50.0340.00615.02
7.2.40.0270.01115.41
7.2.30.2330.00515.41
7.2.20.2270.00715.27
7.2.10.0120.00815.36
7.2.00.2580.01115.50
7.1.200.0000.01415.55
7.1.170.0330.00613.93
7.1.160.0350.00916.97
7.1.150.2070.00817.00
7.1.140.0080.00916.98
7.1.130.1940.01117.02
7.1.120.0070.01116.84
7.1.110.0070.00916.10
7.1.100.0300.00816.01
7.1.90.1240.00816.18
7.1.80.0110.00716.30
7.1.70.2060.00515.31
7.1.60.2170.00933.18
7.1.50.2380.01532.73
7.1.40.2500.01132.54
7.1.30.2730.01532.48
7.1.20.3150.01832.72
7.1.10.2680.00914.70
7.1.00.1800.01114.86

preferences:
140 ms | 403 KiB | 5 Q