3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a' => 1, 'a' => 2]; print_r(count($a));

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)
8.3.60.0120.00616.50
8.3.50.0150.00017.91
8.3.40.0110.00718.38
8.3.30.0060.00818.64
8.3.20.0040.00420.02
8.3.10.0050.00320.32
8.3.00.0050.00320.58
8.2.180.0120.00316.63
8.2.170.0100.00322.96
8.2.160.0080.00522.11
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00019.36
8.2.120.0070.01026.35
8.2.110.0060.00320.52
8.2.100.0040.00817.78
8.2.90.0030.00519.18
8.2.80.0000.00817.97
8.2.70.0120.00017.13
8.2.60.0050.00318.04
8.2.50.0050.00318.09
8.2.40.0000.00820.44
8.2.30.0030.00521.16
8.2.20.0080.00017.66
8.2.10.0050.00218.03
8.2.00.0000.00718.04
8.1.280.0070.00725.92
8.1.270.0040.00423.82
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0040.00817.42
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.22
8.1.190.0070.00017.35
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0080.00020.92
8.1.150.0050.00418.79
8.1.140.0000.00719.52
8.1.130.0030.00317.59
8.1.120.0050.00317.34
8.1.110.0000.00817.43
8.1.100.0000.00717.34
8.1.90.0000.00717.34
8.1.80.0040.00417.41
8.1.70.0000.00717.46
8.1.60.0000.00817.62
8.1.50.0060.00317.51
8.1.40.0040.00417.55
8.1.30.0040.00417.57
8.1.20.0000.00717.68
8.1.10.0040.00417.35
8.1.00.0040.00417.25
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.25
8.0.270.0000.00717.11
8.0.260.0040.00417.17
8.0.250.0000.00716.91
8.0.240.0000.00616.88
8.0.230.0060.00016.76
8.0.220.0040.00416.79
8.0.210.0020.00516.88
8.0.200.0060.00016.86
8.0.190.0000.00716.92
8.0.180.0030.00516.82
8.0.170.0070.00016.92
8.0.160.0000.00716.92
8.0.150.0070.00016.80
8.0.140.0040.00416.75
8.0.130.0030.00313.32
8.0.120.0030.00616.79
8.0.110.0080.00016.85
8.0.100.0000.00816.82
8.0.90.0000.00716.71
8.0.80.0070.00716.83
8.0.70.0050.00316.74
8.0.60.0000.00716.88
8.0.50.0000.00816.89
8.0.30.0100.00816.96
8.0.20.0070.01117.40
8.0.10.0040.00416.88
8.0.00.0110.00916.68
7.4.330.0050.00016.66
7.4.320.0060.00016.50
7.4.300.0000.00616.50
7.4.290.0030.00316.61
7.4.280.0040.00416.43
7.4.270.0030.00316.62
7.4.260.0070.00016.57
7.4.250.0000.00716.46
7.4.240.0030.00316.59
7.4.230.0000.00716.47
7.4.220.0080.01216.59
7.4.210.0050.01116.46
7.4.200.0030.00316.38
7.4.160.0130.00316.33
7.4.150.0110.00717.40
7.4.140.0050.01217.86
7.4.130.0120.00716.46
7.4.120.0060.01216.41
7.4.110.0080.01616.41
7.4.100.0030.01616.30
7.4.90.0030.01316.52
7.4.80.0100.00719.39
7.4.70.0090.00916.51
7.4.60.0120.00316.45
7.4.50.0050.00516.09
7.4.40.0090.00916.33
7.4.30.0170.00316.36
7.4.00.0090.00614.98
7.3.330.0030.00313.12
7.3.320.0000.00613.11
7.3.310.0030.00316.23
7.3.300.0000.00716.17
7.3.290.0000.00716.20
7.3.280.0030.01416.19
7.3.270.0100.00617.40
7.3.260.0090.00916.59
7.3.250.0080.01116.30
7.3.240.0110.00616.34
7.3.230.0160.00316.50
7.3.210.0040.01316.36
7.3.200.0090.00819.39
7.3.190.0120.00616.50
7.3.180.0110.00716.22
7.3.170.0140.00616.08
7.3.160.0060.01016.21
7.2.330.0040.01416.51
7.2.320.0090.00916.24
7.2.310.0170.00916.33
7.2.300.0070.01016.38
7.2.290.0090.00616.36
7.2.60.0090.00616.89
7.2.00.0000.01219.00
7.1.200.0040.00815.84
7.1.100.0040.00718.21
7.1.70.0060.00317.12
7.1.60.0040.02219.19
7.1.00.0130.06322.46
7.0.200.0740.00716.56
7.0.60.0000.08321.72
7.0.50.0030.07317.87
7.0.40.0130.08320.12
7.0.30.0100.04720.20
7.0.20.0330.07720.01
7.0.10.0030.04320.20
7.0.00.0100.08320.10
5.6.280.0030.07320.91
5.6.210.0000.04320.66
5.6.200.0000.04718.22
5.6.190.0230.06720.77
5.6.180.0330.08020.60
5.6.170.0230.08020.46
5.6.160.0000.05020.61
5.6.150.0030.06318.15
5.6.140.0130.07718.12
5.6.130.0070.05718.16
5.6.120.0130.04321.00
5.6.110.0170.07020.95
5.6.100.0170.07320.86
5.6.90.0100.05720.97
5.6.80.0030.07720.50
5.5.350.0170.08020.34
5.5.340.0070.04017.95
5.5.330.0170.07020.47
5.5.320.0330.07720.28
5.5.310.0300.07020.28
5.5.300.0070.07717.89
5.5.290.0130.08318.00
5.5.280.0030.05320.72
5.5.270.0100.08320.75
5.5.260.0100.08020.88
5.5.250.0100.05320.57
5.5.240.0200.07720.23

preferences:
63.98 ms | 400 KiB | 5 Q