3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( "1" => "A", 1 => "B", "C", "2" => "D"); echo count($a); var_dump($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)
8.3.60.0110.00716.25
8.3.50.0240.01021.05
8.3.40.0140.00018.68
8.3.30.0070.00718.60
8.3.20.0140.00720.14
8.3.10.0070.00023.41
8.3.00.0080.00017.68
8.2.180.0090.00618.16
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0000.00817.63
8.2.110.0030.00722.20
8.2.100.0090.00317.92
8.2.90.0000.00719.04
8.2.80.0000.00917.97
8.2.70.0040.00417.50
8.2.60.0090.00017.93
8.2.50.0060.00318.07
8.2.40.0060.00321.18
8.2.30.0050.00220.59
8.2.20.0040.00417.67
8.2.10.0040.00418.10
8.2.00.0000.00818.06
8.1.280.0110.00625.92
8.1.270.0120.00623.84
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00422.52
8.1.230.0080.00319.43
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0040.00417.25
8.1.190.0050.00317.13
8.1.180.0000.00818.10
8.1.170.0040.00420.29
8.1.160.0070.00021.98
8.1.150.0030.00318.92
8.1.140.0040.00419.58
8.1.130.0000.00717.70
8.1.120.0040.00417.43
8.1.110.0000.00717.33
8.1.100.0000.00717.36
8.1.90.0040.00317.46
8.1.80.0080.00017.47
8.1.70.0030.00317.36
8.1.60.0040.00417.45
8.1.50.0000.00817.38
8.1.40.0070.00317.46
8.1.30.0000.00817.71
8.1.20.0040.00417.62
8.1.10.0000.00717.50
8.1.00.0040.00417.29
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0030.00317.18
8.0.260.0000.00617.22
8.0.250.0050.00316.99
8.0.240.0070.00016.91
8.0.230.0070.00016.76
8.0.220.0040.00416.79
8.0.210.0060.00316.70
8.0.200.0030.00316.76
8.0.190.0000.00716.89
8.0.180.0050.00516.77
8.0.170.0030.00516.85
8.0.160.0040.00416.82
8.0.150.0040.00416.65
8.0.140.0070.00016.71
8.0.130.0060.00313.28
8.0.120.0040.00416.75
8.0.110.0040.00416.81
8.0.100.0040.00416.73
8.0.90.0000.00816.70
8.0.80.0080.00816.93
8.0.70.0000.00716.82
8.0.60.0000.00716.94
8.0.50.0040.00416.87
8.0.30.0080.01017.06
8.0.20.0100.00917.40
8.0.10.0000.00816.98
8.0.00.0080.01316.92
7.4.330.0050.00015.08
7.4.320.0000.00616.50
7.4.300.0030.00516.60
7.4.290.0020.00516.50
7.4.280.0030.00516.57
7.4.270.0060.00016.58
7.4.260.0040.00416.47
7.4.250.0040.00416.55
7.4.240.0050.00216.53
7.4.230.0020.00516.34
7.4.220.0150.00316.61
7.4.210.0100.00516.50
7.4.200.0000.00716.65
7.4.160.0090.00916.43
7.4.150.0130.00417.40
7.4.140.0080.01017.86
7.4.130.0150.00416.36
7.4.120.0100.00716.54
7.4.110.0090.00916.38
7.4.100.0130.01016.44
7.4.90.0060.01016.34
7.4.80.0040.01819.39
7.4.70.0060.01216.56
7.4.60.0160.00616.38
7.4.50.0060.00016.28
7.4.40.0030.01316.39
7.4.30.0060.01416.31
7.4.00.0040.01214.93
7.3.330.0000.00513.09
7.3.320.0050.00013.17
7.3.310.0000.00716.20
7.3.300.0000.00716.20
7.3.290.0020.01316.13
7.3.280.0100.00716.16
7.3.270.0120.01217.40
7.3.260.0080.00916.36
7.3.240.0100.00916.26
7.3.230.0140.01116.39
7.3.210.0080.00816.08
7.3.200.0080.00816.31
7.3.190.0050.01116.38
7.3.180.0140.00316.22
7.3.170.0150.00616.28
7.3.160.0030.01316.34
7.3.120.0100.00314.78
7.3.110.0060.00914.80
7.3.100.0070.00314.64
7.3.90.0070.00714.77
7.3.80.0130.00314.54
7.3.70.0070.00714.60
7.3.60.0030.00914.88
7.3.50.0030.01014.71
7.3.40.0040.00714.50
7.3.30.0070.00314.52
7.3.20.0060.01016.71
7.3.10.0030.01016.36
7.3.00.0070.00716.55
7.2.330.0090.00916.45
7.2.320.0060.01216.64
7.2.310.0070.01016.37
7.2.300.0130.00316.44
7.2.290.0000.01716.61
7.2.240.0090.00615.09
7.2.230.0070.00714.90
7.2.220.0000.01015.05
7.2.210.0090.00614.93
7.2.200.0040.00715.05
7.2.190.0090.00314.81
7.2.180.0040.01214.89
7.2.170.0000.01614.86
7.2.160.0030.01314.96
7.2.150.0060.00916.61
7.2.140.0070.00717.05
7.2.130.0070.00417.00
7.2.120.0060.00916.82
7.2.110.0110.00316.79
7.2.100.0070.00716.92
7.2.90.0030.01216.80
7.2.80.0070.01016.90
7.2.70.0060.00616.58
7.2.60.0080.00816.66
7.2.50.0100.00617.09
7.2.40.0000.01317.02
7.2.30.0000.01616.98
7.2.20.0030.01216.75
7.2.10.0100.00616.87
7.2.00.0080.01018.09
7.1.330.0060.00315.60
7.1.320.0030.00715.86
7.1.310.0040.01115.41
7.1.300.0100.00315.43
7.1.290.0070.00715.86
7.1.280.0100.00615.75
7.1.270.0030.01515.64
7.1.260.0070.01015.81
7.1.250.0070.00715.63
7.1.100.0050.00518.09
7.1.70.0000.01117.12
7.1.60.0030.01019.50
7.1.50.0060.00916.82
7.1.00.0030.07722.29
7.0.200.0040.00716.46
7.0.60.0170.05319.91
7.0.50.0070.08317.80
7.0.40.0100.08720.16
7.0.30.0270.05320.04
7.0.20.0300.06020.21
7.0.10.0370.08020.12
7.0.00.0030.08720.20
5.6.280.0000.03321.09
5.6.210.0070.08020.60
5.6.200.0030.05318.13
5.6.190.0000.04720.41
5.6.180.4200.04020.61
5.6.170.0270.04320.67
5.6.160.0030.07320.71
5.6.150.0100.07318.20
5.6.140.0000.05018.11
5.6.130.0100.08318.11
5.6.120.0070.08320.99
5.6.110.0000.09320.95
5.6.100.0100.07720.98
5.6.90.0070.06020.96
5.6.80.0070.05720.39
5.6.70.4300.03720.37
5.5.350.0170.07720.46
5.5.340.0000.06017.92
5.5.330.0100.07720.15
5.5.320.0070.08720.37
5.5.310.0270.08320.50
5.5.300.0130.07017.89
5.5.290.0130.08017.93
5.5.280.0070.05320.73
5.5.270.0100.08720.67
5.5.260.0100.08020.85
5.5.250.0100.07320.68
5.5.240.0130.05320.25
5.4.450.0330.03719.39
5.4.440.0270.04319.57
5.4.430.0400.04319.26
5.4.420.0300.04019.54
5.4.410.0400.03719.46
5.4.400.0370.07018.81
5.4.390.0430.06718.81
5.4.380.0500.06019.21
5.4.370.0230.05019.10
5.4.360.0400.04019.04
5.4.350.0330.03719.09
5.4.340.0270.04018.88
5.4.320.0330.03719.09
5.4.310.0270.04719.07
5.4.300.0300.03719.09
5.4.290.0300.03719.11
5.4.280.0270.04019.08
5.4.270.0530.05319.23
5.4.260.0300.06018.78
5.4.250.0300.03718.80
5.4.240.0300.04719.24
5.4.230.0370.06018.88
5.4.220.0330.03719.23
5.4.210.0400.03719.19
5.4.200.0330.04018.89
5.4.190.0270.04018.90
5.4.180.0300.04018.91
5.4.170.0270.06718.80
5.4.160.0370.04019.14
5.4.150.0230.04719.13
5.4.140.0230.04316.45
5.4.130.0330.03716.25
5.4.120.0300.03316.44
5.4.110.0430.04016.43
5.4.100.0370.05716.20
5.4.90.0270.03716.30

preferences:
41.36 ms | 401 KiB | 5 Q