3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [1 => true]; next($data); var_dump(key($data)); $data[0] = true; var_dump(key($data));

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)
8.3.40.0070.00718.65
8.3.30.0090.00618.61
8.3.20.0070.00021.90
8.3.10.0040.00421.75
8.3.00.0070.00022.52
8.2.170.0070.01122.96
8.2.160.0040.00922.08
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00026.16
8.2.110.0030.00619.25
8.2.100.0080.00417.91
8.2.90.0000.00918.03
8.2.80.0080.00019.21
8.2.70.0000.00917.63
8.2.60.0050.00317.50
8.2.50.0000.00917.55
8.2.40.0000.00818.22
8.2.30.0000.00917.94
8.2.20.0070.00017.94
8.2.10.0040.00419.25
8.2.00.0040.00419.17
8.1.270.0080.00022.01
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0000.00822.14
8.1.230.0040.00720.86
8.1.220.0000.00917.74
8.1.210.0090.00018.84
8.1.200.0080.00017.35
8.1.190.0000.00817.10
8.1.180.0030.00618.10
8.1.170.0000.00818.66
8.1.160.0000.00718.83
8.1.150.0040.00418.83
8.1.140.0000.00720.81
8.1.130.0050.00217.39
8.1.120.0040.00417.37
8.1.110.0040.00417.33
8.1.100.0040.00417.36
8.1.90.0000.00717.38
8.1.80.0000.00717.38
8.1.70.0000.00717.42
8.1.60.0000.00817.39
8.1.50.0070.00017.43
8.1.40.0050.00317.50
8.1.30.0090.00017.61
8.1.20.0090.00017.52
8.1.10.0000.00817.60
8.1.00.0000.00917.52
8.0.300.0000.00720.08
8.0.290.0040.00416.63
8.0.280.0000.00818.27
8.0.270.0030.00317.19
8.0.260.0030.00316.68
8.0.250.0050.00216.86
8.0.240.0030.00316.76
8.0.230.0000.00716.91
8.0.220.0000.00716.80
8.0.210.0040.00316.76
8.0.200.0030.00316.91
8.0.190.0000.00816.90
8.0.180.0070.00016.92
8.0.170.0090.00016.74
8.0.160.0020.00516.84
8.0.150.0030.00316.72
8.0.140.0080.00016.84
8.0.130.0000.00613.26
8.0.120.0060.00316.62
8.0.110.0000.00716.87
8.0.100.0000.00716.62
8.0.90.0060.00316.82
8.0.80.0090.01216.76
8.0.70.0000.00716.73
8.0.60.0000.00716.78
8.0.50.0040.00416.65
8.0.30.0100.01217.09
8.0.20.0150.00317.06
8.0.10.0000.00716.75
8.0.00.0090.00916.59
7.4.330.0020.00215.55
7.4.320.0040.00416.34
7.4.300.0030.00316.52
7.4.290.0000.00716.54
7.4.280.0060.00316.42
7.4.270.0040.00416.45
7.4.260.0030.00313.23
7.4.250.0000.00716.51
7.4.240.0040.00316.55
7.4.230.0040.00416.52
7.4.220.0030.00516.49
7.4.210.0030.01516.44
7.4.200.0040.00416.57
7.4.140.0110.00717.86
7.4.130.0120.01016.50
7.4.120.0070.01016.54
7.4.110.0120.00916.46
7.4.100.0140.00816.59
7.4.90.0060.01016.63
7.4.80.0030.01419.39
7.4.70.0130.00316.43
7.4.60.0110.00616.48
7.4.50.0070.00716.08
7.4.40.0120.00916.45
7.4.00.0040.01415.10
7.3.330.0060.00316.14
7.3.320.0000.00613.11
7.3.310.0000.00716.08
7.3.300.0030.00316.11
7.3.290.0080.00716.22
7.3.280.0070.00716.23
7.3.260.0090.00816.34
7.3.240.0120.00516.27
7.3.230.0040.01616.27
7.3.210.0090.00616.13
7.3.200.0140.00316.47
7.3.190.0060.00916.40
7.3.180.0140.00716.26
7.3.170.0120.01216.13
7.3.160.0070.01416.32
7.3.90.0120.00614.71
7.3.80.0100.00714.76
7.3.70.0100.00614.65
7.3.60.0060.00814.69
7.3.50.0080.00614.59
7.3.40.0050.00914.64
7.3.30.0080.00514.75
7.3.20.0070.00915.53
7.3.10.0060.00915.50
7.3.00.0110.00615.51
7.2.330.0070.01016.59
7.2.320.0030.01316.26
7.2.310.0070.01016.58
7.2.300.0090.00916.46
7.2.290.0190.00316.38
7.2.220.0090.01014.74
7.2.210.0070.01114.82
7.2.200.0070.01214.92
7.2.190.0070.00914.83
7.2.180.0080.00714.69
7.2.170.0070.00814.85
7.2.160.0050.01014.93
7.2.150.0070.01015.69
7.2.140.0080.00715.95
7.2.130.0100.00915.81
7.2.120.0080.00815.81
7.2.110.0100.00715.81
7.2.100.0080.00815.81
7.2.90.0080.00815.90
7.2.80.0120.00515.85
7.2.70.0110.00615.90
7.2.60.0060.01115.83
7.2.50.0110.00915.75
7.2.40.0090.01015.92
7.2.30.0110.00815.89
7.2.20.0100.01015.82
7.2.10.0100.00915.37
7.2.00.0120.00715.73
7.1.320.0100.00714.87
7.1.310.0080.00914.83
7.1.300.0080.00614.68
7.1.290.0080.00814.77
7.1.280.0060.00914.86
7.1.270.0080.00714.67
7.1.260.0080.00714.73
7.1.250.0060.00814.88
7.1.240.0150.00814.05
7.1.230.0100.01313.85
7.1.220.0190.00313.72
7.1.210.0240.00013.80
7.1.200.0150.01014.09
7.1.190.0110.01114.05
7.1.180.0210.00313.98
7.1.170.0120.00813.81
7.1.160.0170.00213.87
7.1.150.0220.00013.94
7.1.140.0170.00614.07
7.1.130.0370.01413.71
7.1.120.0220.00613.96
7.1.110.0420.00713.93
7.1.100.0050.01613.92
7.1.90.0140.01113.89
7.1.80.0180.00613.79
7.1.70.0140.02113.79
7.1.60.0160.00813.95
7.1.50.0240.00314.04
7.1.40.0190.00413.96
7.1.30.0110.01114.09
7.1.20.0130.00814.02
7.1.10.0150.00913.99
7.1.00.0090.01213.82
7.0.330.0150.00513.82
7.0.320.0140.00713.36
7.0.310.0140.00713.69
7.0.300.0120.00613.55
7.0.290.0030.01713.60
7.0.280.0120.00713.66
7.0.270.0110.00813.58
7.0.260.0140.01213.48
7.0.250.0140.00513.72
7.0.240.0160.00313.38
7.0.230.0150.00813.63
7.0.220.0090.01513.57
7.0.210.0220.00013.43
7.0.200.0160.01013.60
7.0.190.0200.00313.67
7.0.180.0090.01113.60
7.0.170.0100.01013.50
7.0.160.0160.00613.37
7.0.150.0130.00713.65
7.0.140.0130.00613.39
7.0.130.0090.00913.65
7.0.120.0130.01013.55
7.0.110.0190.00313.67
7.0.100.0100.01313.67
7.0.90.0110.01113.52
7.0.80.0110.01313.61
7.0.70.0090.01413.45
7.0.60.0140.01013.48
7.0.50.0160.00513.46
7.0.40.0120.01213.63
7.0.30.0230.00513.33
7.0.20.0130.01013.60
7.0.10.0100.01113.60
7.0.00.0150.01013.63
5.6.400.0150.00414.36
5.6.390.0130.00514.42
5.6.380.0080.01114.36
5.6.370.0160.00614.50
5.6.360.0130.00514.28
5.6.350.0110.00814.08
5.6.340.0150.00514.45
5.6.330.0120.00614.40
5.6.320.0150.00614.60
5.6.310.0170.00914.18
5.6.300.0150.00614.54
5.6.290.0140.00614.38
5.6.280.0180.00414.07
5.6.270.0140.00414.30
5.6.260.0190.00514.14
5.6.250.0140.00614.25
5.6.240.0160.00614.21
5.6.230.0110.01214.16
5.6.220.0140.00914.39
5.6.210.0130.01314.10
5.6.200.0120.01514.23
5.6.190.0150.00914.30
5.6.180.0120.01214.20
5.6.170.0120.00914.37
5.6.160.0100.01814.20
5.6.150.0220.00014.25
5.6.140.0120.01014.35
5.6.130.0100.01014.37
5.6.120.0140.01114.36
5.6.110.0170.00814.24
5.6.100.0110.00814.04
5.6.90.0110.01114.18
5.6.80.0130.00514.24
5.6.70.0140.00614.29
5.6.60.0090.00914.21
5.6.50.0060.01314.42
5.6.40.0120.00814.01
5.6.30.0140.00614.23
5.6.20.0160.00314.37
5.6.10.0110.01114.23
5.6.00.0130.00813.98
5.5.380.0170.00214.24
5.5.370.0110.00714.19
5.5.360.0140.00814.50
5.5.350.0200.00814.59
5.5.340.0150.01114.18
5.5.330.0170.00513.96
5.5.320.0180.00614.18
5.5.310.0160.00614.17
5.5.300.0180.00314.33
5.5.290.0210.00013.96
5.5.280.0150.00914.46
5.5.270.0110.01114.47
5.5.260.0190.00014.33
5.5.250.0040.01714.24
5.5.240.0100.01114.41
5.5.230.0130.00514.25
5.5.220.0190.00014.39
5.5.210.0040.01514.06
5.5.200.0170.00414.06
5.5.190.0120.00914.05
5.5.180.0070.01314.31
5.5.170.0080.01214.21
5.5.160.0110.01114.08
5.5.150.0060.01814.11
5.5.140.0060.01214.44
5.5.130.0110.00714.14
5.5.120.0120.00614.38
5.5.110.0080.01114.17
5.5.100.0110.02114.10
5.5.90.0200.00714.24
5.5.80.0100.01314.22
5.5.70.0070.01414.06
5.5.60.0120.01214.01
5.5.50.0070.01114.26
5.5.40.0080.01014.35
5.5.30.0150.00414.30
5.5.20.0080.01614.21
5.5.10.0160.00814.37
5.5.00.0050.01413.89
5.4.450.0110.00612.46
5.4.440.0130.00312.46
5.4.430.0130.00012.46
5.4.420.0110.00412.46
5.4.410.0060.00612.46
5.4.400.0140.00212.46
5.4.390.0110.00312.46
5.4.380.0080.00812.46
5.4.370.0110.00412.46
5.4.360.0060.01012.46
5.4.350.0040.01112.46
5.4.340.0090.00512.46
5.4.330.0000.01612.46
5.4.320.0140.00012.46
5.4.310.0120.00612.46
5.4.300.0100.00512.46
5.4.290.0120.00412.46
5.4.280.0060.01112.46
5.4.270.0150.00312.46
5.4.260.0020.01512.46
5.4.250.0090.01112.46
5.4.240.0130.00412.46
5.4.230.0100.01012.46
5.4.220.0100.01012.46
5.4.210.0090.00512.46
5.4.200.0000.01312.46
5.4.190.0120.00412.46
5.4.180.0090.00912.46
5.4.170.0140.00012.46
5.4.160.0120.00312.46
5.4.150.0110.00412.46
5.4.140.0120.00612.46
5.4.130.0040.00912.46
5.4.120.0070.01112.46
5.4.110.0040.00912.46
5.4.100.0100.00712.46
5.4.90.0150.00312.46
5.4.80.0160.00312.46
5.4.70.0150.00212.46
5.4.60.0120.00312.46
5.4.50.0130.00512.46
5.4.40.0100.00312.46
5.4.30.0110.00312.46
5.4.20.0110.00412.46
5.4.10.0160.00312.46
5.4.00.0070.00712.46
5.3.290.0140.00312.46
5.3.280.0100.00212.46
5.3.270.0100.00712.46
5.3.260.0120.00012.46
5.3.250.0130.00312.46
5.3.240.0120.00412.46
5.3.230.0100.00312.46
5.3.220.0110.00412.46
5.3.210.0090.00912.46
5.3.200.0140.00312.46
5.3.190.0070.01112.46
5.3.180.0100.00512.46
5.3.170.0050.00912.46
5.3.160.0090.00412.46
5.3.150.0070.00712.46
5.3.140.0100.00312.46
5.3.130.0130.00012.46
5.3.120.0080.00812.46
5.3.110.0080.00812.46
5.3.100.0080.00812.46
5.3.90.0040.00912.46
5.3.80.0090.00312.46
5.3.70.0050.01012.46
5.3.60.0090.00312.46
5.3.50.0090.00412.46
5.3.40.0100.00312.46
5.3.30.0080.00412.46
5.3.20.0060.00612.46
5.3.10.0090.00312.46
5.3.00.0090.00912.46
5.2.170.0090.00412.46
5.2.160.0050.00512.46
5.2.150.0050.00512.46
5.2.140.0030.00712.46
5.2.130.0070.00312.46
5.2.120.0040.00712.46
5.2.110.0000.01412.46
5.2.100.0040.00712.46
5.2.90.0040.00812.46
5.2.80.0060.00412.46
5.2.70.0040.00812.46
5.2.60.0060.00312.46
5.2.50.0070.00412.46
5.2.40.0080.00412.46
5.2.30.0100.00312.46
5.2.20.0090.00512.46
5.2.10.0040.00712.46
5.2.00.0080.00512.46
5.1.60.0070.00212.46
5.1.50.0070.00312.46
5.1.40.0070.00212.46
5.1.30.0100.00012.46
5.1.20.0040.00412.46
5.1.10.0060.00312.46
5.1.00.0030.00512.46
5.0.50.0040.00412.46
5.0.40.0050.00312.46
5.0.30.0090.00012.46
5.0.20.0050.00512.46
5.0.10.0040.00412.46
5.0.00.0090.00012.46
4.4.90.0060.00012.46
4.4.80.0060.00012.46
4.4.70.0060.00012.46
4.4.60.0060.00012.46
4.4.50.0030.00312.46
4.4.40.0030.00312.46
4.4.30.0040.00412.46
4.4.20.0030.00412.46
4.4.10.0000.00812.46
4.4.00.0050.00412.46
4.3.110.0030.00312.46
4.3.100.0030.00612.46
4.3.90.0000.00612.46
4.3.80.0060.00012.46
4.3.70.0030.00312.46
4.3.60.0000.00912.46
4.3.50.0040.00212.46
4.3.40.0070.00012.46
4.3.30.0070.00012.46
4.3.20.0040.00412.46
4.3.10.0000.00812.46
4.3.00.0030.00312.46

preferences:
63.64 ms | 400 KiB | 5 Q