3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flat = ['a', 'b', 'c']; $treeish = ['a', 'b' => ['x', 'y', 'z'], 'c']; echo '<pre>'; echo count($flat); echo count($treeish);

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)
8.3.60.0110.00316.50
8.3.50.0110.01022.04
8.3.40.0110.00418.72
8.3.30.0190.00018.98
8.3.20.0000.00720.20
8.3.10.0000.00821.77
8.3.00.0080.00019.00
8.2.180.0110.00416.75
8.2.170.0140.00022.96
8.2.160.0070.00720.14
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00019.36
8.2.110.0090.00022.05
8.2.100.0080.00317.91
8.2.90.0000.00819.23
8.2.80.0080.00017.97
8.2.70.0060.00617.25
8.2.60.0030.00617.93
8.2.50.0000.00818.07
8.2.40.0000.00818.28
8.2.30.0050.00218.11
8.2.20.0040.00417.54
8.2.10.0080.00018.15
8.2.00.0070.00017.54
8.1.280.0040.01125.92
8.1.270.0080.00020.64
8.1.260.0000.00726.35
8.1.250.0030.00728.09
8.1.240.0090.00023.80
8.1.230.0110.00022.08
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0060.00617.35
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0060.00319.09
8.1.160.0000.00721.87
8.1.150.0090.00018.87
8.1.140.0040.00417.48
8.1.130.0000.00717.81
8.1.120.0070.00017.45
8.1.110.0040.00417.39
8.1.100.0000.00717.45
8.1.90.0030.00317.51
8.1.80.0000.00717.40
8.1.70.0000.00717.46
8.1.60.0050.00317.60
8.1.50.0000.00817.39
8.1.40.0060.00317.51
8.1.30.0050.00317.70
8.1.20.0040.00417.54
8.1.10.0040.00417.44
8.1.00.0040.00717.43
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.43
8.0.270.0040.00417.25
8.0.260.0000.00717.30
8.0.250.0030.00316.83
8.0.240.0000.00716.91
8.0.230.0000.00716.76
8.0.220.0030.00316.84
8.0.210.0030.00416.81
8.0.200.0070.00016.88
8.0.190.0040.00416.86
8.0.180.0040.00416.87
8.0.170.0040.00416.92
8.0.160.0000.00716.78
8.0.150.0000.00716.77
8.0.140.0040.00416.81
8.0.130.0050.00013.30
8.0.120.0000.00816.71
8.0.110.0000.00816.85
8.0.100.0000.00816.70
8.0.90.0000.00716.88
8.0.80.0030.01416.76
8.0.70.0000.00716.91
8.0.60.0000.00716.93
8.0.50.0040.00416.84
8.0.30.0110.01017.14
8.0.20.0110.00717.40
8.0.10.0040.00417.02
8.0.00.0120.00716.83
7.4.330.0020.00215.03
7.4.320.0050.00216.53
7.4.300.0030.00316.45
7.4.290.0070.00016.39
7.4.280.0000.00716.47
7.4.270.0030.00316.50
7.4.260.0030.00416.40
7.4.250.0030.00516.44
7.4.240.0030.00316.54
7.4.230.0030.00316.37
7.4.220.0100.00716.45
7.4.210.0000.02016.52
7.4.200.0070.00016.54
7.4.160.0090.00616.50
7.4.150.0130.00517.40
7.4.140.0110.00617.86
7.4.130.0140.00516.53
7.4.120.0110.00816.49
7.4.110.0060.01216.39
7.4.100.0130.00616.52
7.4.90.0030.01416.55
7.4.80.0120.00619.39
7.4.70.0040.01316.37
7.4.60.0100.00716.36
7.4.50.0040.00416.53
7.4.40.0140.00716.35
7.4.30.0050.01716.63
7.4.00.0070.01114.75
7.3.330.0050.00013.02
7.3.320.0080.00412.95
7.3.310.0070.00016.00
7.3.300.0000.00716.17
7.3.290.0080.00816.21
7.3.280.0060.01016.20
7.3.270.0110.00617.40
7.3.260.0170.00716.10
7.3.250.0120.00916.36
7.3.240.0130.00816.50
7.3.230.0040.01316.46
7.3.210.0140.00316.30
7.3.200.0100.01119.39
7.3.190.0100.00716.20
7.3.180.0080.00916.50
7.3.170.0130.00316.27
7.3.160.0140.00316.41
7.3.120.0100.00714.91
7.3.110.0030.01314.84
7.3.100.0040.00814.89
7.3.90.0030.01514.56
7.3.80.0000.01314.67
7.3.70.0040.01214.86
7.3.60.0060.00914.88
7.3.50.0090.00614.71
7.3.40.0000.01214.85
7.3.30.0030.00914.49
7.3.20.0110.00416.46
7.3.10.0110.00616.44
7.3.00.0060.01116.33
7.2.330.0060.01116.45
7.2.320.0050.01216.37
7.2.310.0000.01616.19
7.2.300.0130.00616.61
7.2.290.0110.00716.28
7.2.250.0000.01815.04
7.2.240.0090.00614.84
7.2.230.0130.00315.14
7.2.220.0070.01014.78
7.2.210.0070.00715.14
7.2.200.0060.00314.89
7.2.190.0090.00615.08
7.2.180.0040.00714.97
7.2.170.0060.00915.03
7.2.130.0060.00916.70
7.2.120.0000.01216.60
7.2.110.0060.00916.48
7.2.100.0100.00716.11
7.2.90.0070.00716.45
7.2.80.0100.00616.55
7.2.70.0070.00616.38
7.2.60.0070.00716.43
7.2.50.0160.00316.51
7.2.40.0000.01116.55
7.2.30.0050.00516.61
7.2.20.0110.00516.55
7.2.10.0090.00616.60
7.2.00.0070.00817.85
7.1.330.0060.00915.79
7.1.320.0060.00915.81
7.1.310.0000.01215.98
7.1.300.0070.00715.35
7.1.290.0040.00415.54
7.1.280.0060.00615.76
7.1.270.0000.00815.61
7.1.260.0090.00315.55
7.1.250.0060.00615.46
7.1.100.0040.01218.33
7.1.70.0040.00417.06
7.1.60.0090.01619.50
7.1.50.0040.01416.89
7.1.00.0070.07322.41
7.0.200.0210.00316.37
7.0.140.0000.07322.15
7.0.60.0170.07319.87
7.0.50.0000.04717.86
7.0.40.0170.08320.04
7.0.30.0230.07720.12
7.0.20.0230.03320.17
7.0.10.0200.06020.33
7.0.00.0070.06320.34
5.6.280.0070.07020.81
5.6.210.0130.07320.70
5.6.200.0070.04318.18
5.6.190.0130.04320.63
5.6.180.0200.08320.74
5.6.170.0170.04320.49
5.6.160.0030.04020.40
5.6.150.0030.08718.19
5.6.140.0030.04018.12
5.6.130.0130.03718.22
5.6.120.0070.05321.13
5.6.110.0100.05321.11
5.6.100.0030.08020.95
5.6.90.0100.06021.12
5.6.80.0130.07020.38
5.5.350.0300.07720.43
5.5.340.0130.07318.02
5.5.330.0070.08720.57
5.5.320.0000.04320.07
5.5.310.0430.06320.27
5.5.300.0070.05018.00
5.5.290.0070.08318.00
5.5.280.0070.04020.96
5.5.270.0130.08020.71
5.5.260.0000.04720.86
5.5.250.0030.04020.79
5.5.240.0070.04720.25
5.4.450.0400.05719.46
5.4.440.0330.04719.46
5.4.430.0300.04319.13
5.4.420.0300.07319.41
5.4.410.0330.07319.29
5.4.400.0230.04019.16
5.4.390.0370.06318.95
5.4.380.0300.07019.13
5.4.370.0270.05318.81
5.4.360.0270.04319.25
5.4.350.0370.05318.88
5.4.340.0370.06019.09
5.4.320.0330.07319.09
5.4.310.0330.05719.16
5.4.300.0230.04019.16
5.4.290.0400.05719.09
5.4.280.0270.07318.95
5.4.270.0230.06319.09
5.4.260.0270.08019.15
5.4.250.0270.05318.88
5.4.240.0370.04019.23
5.4.230.0270.07319.23
5.4.220.0300.03719.13
5.4.210.0230.07319.26
5.4.200.0200.04019.13
5.4.190.0300.07018.81
5.4.180.0200.04719.08
5.4.170.0300.06718.92
5.4.160.0270.04319.07
5.4.150.0230.06318.77
5.4.140.0300.06316.38
5.4.130.0270.06716.43
5.4.120.0300.03716.15
5.4.110.0430.05716.22
5.4.100.0330.06716.21
5.4.90.0270.04716.39
5.4.80.0300.06316.18
5.4.70.0270.05016.46
5.4.60.0270.06316.19
5.4.50.0430.06016.41
5.4.40.0300.06316.17
5.4.30.0230.06716.40
5.4.20.0330.06716.31
5.4.10.0370.03716.45
5.4.00.0330.06315.90
5.3.290.0230.05014.57
5.3.280.0300.03714.46
5.3.270.0230.05014.65
5.3.260.0300.03314.63
5.3.250.0230.03714.44
5.3.240.0130.06714.55
5.3.230.0230.05014.51
5.3.220.0270.04714.42
5.3.210.0330.03314.59
5.3.200.0300.06314.61
5.3.190.0230.04314.52
5.3.180.0330.04014.50
5.3.170.0370.06714.65
5.3.160.0400.06314.51
5.3.150.0300.07014.52
5.3.140.0470.04714.39
5.3.130.0330.07314.64
5.3.120.0300.06714.45
5.3.110.0270.04714.50
5.3.100.0330.07014.10
5.3.90.0300.06713.98
5.3.80.0370.05713.95
5.3.70.0300.06714.10
5.3.60.0330.07013.84
5.3.50.0200.04313.88
5.3.40.0200.04313.78
5.3.30.0170.04313.77
5.3.20.0230.06313.56
5.3.10.0270.07013.49
5.3.00.0230.04713.48
5.2.170.0270.02312.08
5.2.160.0230.03312.08
5.2.150.0200.05312.08
5.2.140.0230.03712.08
5.2.130.0330.05312.08
5.2.120.0330.04012.08
5.2.110.0200.05712.08
5.2.100.0300.02712.08
5.2.90.0300.02312.08
5.2.80.0170.03712.08
5.2.70.0170.03312.08
5.2.60.0230.06012.08
5.2.50.0270.05712.08
5.2.40.0170.04712.08
5.2.30.0230.05712.08
5.2.20.0170.03712.08
5.2.10.0400.04312.08
5.2.00.0300.05012.08
5.1.60.0230.02312.08
5.1.50.0230.04712.08
5.1.40.0200.04012.08
5.1.30.0230.05012.08
5.1.20.0230.05012.08
5.1.10.0200.03012.08
5.1.00.0200.04012.08
5.0.50.0100.03312.08
5.0.40.0130.02712.08
5.0.30.0130.04012.08
5.0.20.0130.02312.08
5.0.10.0100.04712.08
5.0.00.0070.06012.08
4.4.90.0070.01712.08
4.4.80.0100.01712.08
4.4.70.0070.02012.08
4.4.60.0100.03312.08
4.4.50.0130.03012.08
4.4.40.0100.05312.08
4.4.30.0170.03012.08
4.4.20.0170.02312.08
4.4.10.0130.03012.08
4.4.00.0100.03312.08
4.3.110.0070.02712.08
4.3.100.0100.02012.08
4.3.90.0130.02012.08
4.3.80.0200.04312.08
4.3.70.0070.02312.08
4.3.60.0100.02712.08
4.3.50.0070.04012.08
4.3.40.0170.03712.08
4.3.30.0030.02312.08
4.3.20.0030.02312.08
4.3.10.0030.02712.08
4.3.00.0070.02012.08

preferences:
77.76 ms | 401 KiB | 5 Q