3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = [ 'foo' => NULL, ]; print_r(count($f['foo'])); print_r(count($f['bar']));

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)
8.5.00.0140.00722.17
8.4.150.0030.00014.05
8.4.140.0100.01117.55
8.4.130.0090.01018.54
8.4.120.0120.00724.02
8.4.110.0090.00720.64
8.4.100.0080.01319.01
8.4.90.0110.00920.36
8.4.80.0070.00318.56
8.4.70.0030.00517.95
8.4.60.0120.00718.74
8.4.50.0070.00418.60
8.4.40.0060.01219.81
8.4.30.0100.01019.53
8.4.20.0070.01419.82
8.4.10.0130.00722.14
8.3.280.0140.00618.55
8.3.270.0120.00816.69
8.3.260.0110.00716.68
8.3.250.0100.00918.99
8.3.240.0120.00716.97
8.3.230.0120.00716.88
8.3.220.0110.00818.94
8.3.210.0130.00516.61
8.3.200.0040.00616.55
8.3.190.0060.00317.00
8.3.180.0090.00716.68
8.3.170.0190.00016.91
8.3.160.0110.00816.80
8.3.150.0120.00618.91
8.3.140.0000.01818.92
8.3.130.0070.00418.43
8.3.120.0080.00018.82
8.3.110.0040.01120.94
8.3.100.0060.00324.06
8.3.90.0050.00326.77
8.3.80.0060.00318.43
8.3.70.0070.00716.49
8.3.60.0120.00316.75
8.3.50.0100.00721.25
8.3.40.0000.01418.64
8.3.30.0070.00718.59
8.3.20.0050.00221.73
8.3.10.0000.00821.46
8.3.00.0070.01023.48
8.2.290.0100.00820.31
8.2.280.0110.00818.49
8.2.270.0070.01117.26
8.2.260.0160.00318.29
8.2.250.0130.00616.79
8.2.240.0000.00818.73
8.2.230.0040.00422.58
8.2.220.0090.00037.54
8.2.210.0070.00026.77
8.2.200.0070.00716.50
8.2.190.0090.00616.88
8.2.180.0100.01316.38
8.2.170.0070.00722.96
8.2.160.0100.00320.52
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00720.98
8.2.110.0130.00319.13
8.2.100.0080.00318.03
8.2.90.0000.00818.03
8.2.80.0040.00417.97
8.2.70.0080.00017.93
8.2.60.0070.00019.21
8.2.50.0040.00418.10
8.2.40.0040.00420.68
8.2.30.0050.00219.22
8.2.20.0050.00217.98
8.2.10.0040.00418.17
8.2.00.0000.00917.86
8.1.330.0140.00521.85
8.1.320.0100.00816.25
8.1.310.0110.00416.65
8.1.300.0030.00618.21
8.1.290.0060.00330.84
8.1.280.0140.00025.92
8.1.270.0050.00222.19
8.1.260.0140.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.55
8.1.230.0120.00020.89
8.1.220.0000.00817.91
8.1.210.0060.00318.87
8.1.200.0030.00617.35
8.1.190.0000.00817.11
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0050.00222.13
8.1.150.0080.00018.98
8.1.140.0040.00419.61
8.1.130.0030.00317.69
8.1.120.0040.00417.34
8.1.110.0040.00417.46
8.1.100.0040.00417.37
8.1.90.0000.00717.43
8.1.80.0000.00717.41
8.1.70.0030.00317.40
8.1.60.0000.00717.60
8.1.50.0030.00617.38
8.1.40.0030.00617.38
8.1.30.0030.00617.49
8.1.20.0050.00317.55
8.1.10.0060.00317.59
8.1.00.0080.00017.45
8.0.300.0040.00419.86
8.0.290.0000.00716.75
8.0.280.0070.00018.25
8.0.270.0000.00817.23
8.0.260.0030.00317.18
8.0.250.0030.00316.97
8.0.240.0000.00616.83
8.0.230.0080.00016.90
8.0.220.0030.00416.79
8.0.210.0000.00616.75
8.0.200.0060.00016.83
8.0.190.0030.00616.90
8.0.180.0040.00416.93
8.0.170.0070.00316.95
8.0.160.0080.00016.99
8.0.150.0000.00716.95
8.0.140.0040.00416.78
8.0.130.0000.00613.38
8.0.120.0000.00816.91
8.0.110.0050.00216.98
8.0.100.0000.00716.85
8.0.90.0070.00016.80
8.0.80.0070.00716.82
8.0.70.0000.00716.96
8.0.60.0070.00016.90
8.0.50.0000.00717.03
8.0.30.0090.00917.18
8.0.20.0110.00917.40
8.0.10.0040.00416.91
8.0.00.0110.00716.69
7.4.330.0000.00515.55
7.4.320.0060.00016.64
7.4.300.0000.00616.50
7.4.290.0000.00816.59
7.4.280.0000.00816.59
7.4.270.0030.00316.48
7.4.260.0030.00316.46
7.4.250.0030.00316.54
7.4.240.0030.00416.54
7.4.230.0000.00716.34
7.4.220.0170.00716.48
7.4.210.0100.00616.45
7.4.200.0040.00416.56
7.4.160.0140.00516.39
7.4.150.0110.00817.40
7.4.140.0090.01717.86
7.4.130.0130.00916.51
7.4.120.0150.01016.50
7.4.110.0130.01316.59
7.4.100.0100.01016.49
7.4.90.0070.01016.46
7.4.80.0060.01019.39
7.4.70.0070.01016.69
7.4.60.0100.00616.54
7.4.50.0000.01116.43
7.4.40.0130.00316.52
7.4.30.0100.00616.78
7.4.00.0070.01114.95
7.3.330.0000.00613.07
7.3.320.0030.00313.05
7.3.310.0030.00316.30
7.3.300.0030.00316.23
7.3.290.0080.00616.23
7.3.280.0100.00916.23
7.3.270.0110.00717.40
7.3.260.0100.00816.33
7.3.250.0090.00716.35
7.3.240.0090.00716.36
7.3.230.0130.00916.39
7.3.210.0070.01016.38
7.3.200.0060.00916.50
7.3.190.0070.01016.29
7.3.180.0120.00916.27
7.3.170.0040.01716.26
7.3.160.0140.00416.38
7.2.330.0110.01416.61
7.2.320.0160.00016.46
7.2.310.0140.00416.60
7.2.300.0080.01316.66
7.2.290.0100.00716.50
7.2.110.0100.00716.61
7.2.60.0000.01216.68
7.2.00.0030.01019.12
7.1.200.0080.00415.72
7.1.100.0090.00917.97
7.1.70.0060.00616.96
7.1.60.0030.01017.19
7.1.50.0100.00316.93
7.1.00.0030.07022.30
7.0.200.0330.00014.64
7.0.110.0070.06020.35
7.0.100.0100.05320.32
7.0.90.0130.05720.34
7.0.80.0030.06020.21
7.0.70.0170.05320.21
7.0.60.0070.05720.29
7.0.50.0130.05020.28
7.0.40.0330.05020.25
7.0.30.0230.06020.18
7.0.20.0270.05720.33
7.0.10.0300.05320.34
7.0.00.0270.05720.33
5.6.260.0130.05021.05
5.6.250.0070.05720.87
5.6.240.0100.05721.11
5.6.230.0070.06320.86
5.6.220.0130.05021.08
5.6.210.0030.06020.94
5.6.200.0170.05020.80
5.6.190.0130.05721.06
5.6.180.0100.05320.86
5.6.170.0070.05721.05
5.6.160.0070.05720.89
5.6.150.0030.06321.00
5.6.140.0170.05021.05
5.6.130.0130.05020.96
5.6.120.0130.05320.74
5.6.110.0070.06021.02
5.6.100.0170.07720.99
5.6.90.0130.05020.98
5.6.80.0070.05320.42
5.6.70.0070.05320.12
5.6.60.0200.04320.40
5.6.50.0030.05720.41
5.6.40.0100.05020.10
5.6.30.0030.06020.27
5.6.20.0030.06020.36
5.6.10.0070.05320.18
5.6.00.0030.05720.34

preferences:
30.92 ms | 403 KiB | 5 Q