3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); $arr['key']; print_r (array_keys($arr));

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)
8.3.40.0070.01118.85
8.3.30.0100.00318.75
8.3.20.0000.00818.65
8.3.10.0090.00020.35
8.3.00.0060.00319.25
8.2.170.0110.00419.09
8.2.160.0070.01022.96
8.2.150.0030.00625.66
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0060.00320.79
8.2.110.0060.00322.24
8.2.100.0040.00817.84
8.2.90.0000.00819.08
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00517.93
8.2.50.0000.00818.10
8.2.40.0050.00318.16
8.2.30.0000.00917.62
8.2.20.0030.00717.65
8.2.10.0000.00917.74
8.2.00.0000.00717.79
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.57
8.1.230.0060.00620.88
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0070.00316.75
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0020.00518.46
8.1.160.0030.00319.00
8.1.150.0040.00418.60
8.1.140.0050.00217.29
8.1.130.0030.00517.86
8.1.120.0070.00017.41
8.1.110.0080.00017.43
8.1.100.0070.00017.29
8.1.90.0000.00817.42
8.1.80.0000.00717.38
8.1.70.0000.00817.25
8.1.60.0040.00417.57
8.1.50.0040.00417.40
8.1.40.0040.00417.41
8.1.30.0030.00617.48
8.1.20.0030.00517.45
8.1.10.0070.00017.50
8.1.00.0030.00517.42
8.0.300.0040.00418.77
8.0.290.0050.00216.63
8.0.280.0000.00718.28
8.0.270.0000.00717.09
8.0.260.0030.00316.88
8.0.250.0070.00016.87
8.0.240.0030.00616.85
8.0.230.0000.00716.89
8.0.220.0030.00316.92
8.0.210.0000.00716.95
8.0.200.0030.00316.99
8.0.190.0050.00316.88
8.0.180.0030.00316.90
8.0.170.0030.00616.73
8.0.160.0070.00016.89
8.0.150.0000.00816.87
8.0.140.0030.00616.74
8.0.130.0000.00613.34
8.0.120.0060.00616.73
8.0.110.0030.00316.94
8.0.100.0020.00516.76
8.0.90.0000.00716.74
8.0.80.0030.01316.82
8.0.70.0030.00316.86
8.0.60.0040.00416.92
8.0.50.0040.00416.91
8.0.30.0140.00316.86
8.0.20.0150.00417.14
8.0.10.0000.00716.89
8.0.00.0120.00716.83
7.4.330.0050.00012.95
7.4.320.0030.00316.53
7.4.300.0000.00616.43
7.4.290.0000.00716.52
7.4.280.0080.00016.42
7.4.270.0000.00716.42
7.4.260.0000.00513.23
7.4.250.0060.00316.51
7.4.240.0000.00716.51
7.4.230.0080.00016.35
7.4.220.0060.00916.39
7.4.210.0070.01016.30
7.4.200.0060.00016.53
7.4.190.0080.00016.60
7.4.160.0100.00616.36
7.4.150.0120.00616.50
7.4.140.0100.00716.53
7.4.130.0080.00816.52
7.4.120.0090.00616.55
7.4.110.0100.00716.50
7.4.100.0130.00316.45
7.4.90.0130.00916.29
7.4.80.0170.00016.34
7.4.70.0060.01216.46
7.4.60.0090.00616.40
7.4.50.0060.00616.39
7.4.40.0040.01116.35
7.4.30.0100.00716.48
7.4.00.0030.01214.96
7.3.330.0000.00813.13
7.3.320.0030.00313.01
7.3.310.0000.00716.25
7.3.300.0030.00316.20
7.3.290.0070.00916.27
7.3.280.0080.00716.25
7.3.270.0100.00716.21
7.3.260.0200.00316.27
7.3.250.0130.00516.39
7.3.240.0100.01316.28
7.3.230.0130.00616.45
7.3.210.0090.01216.39
7.3.200.0120.00619.39
7.3.190.0100.00716.37
7.3.180.0100.00716.13
7.3.170.0130.01016.42
7.3.160.0100.00716.23
7.3.120.0070.00714.80
7.3.110.0140.00014.93
7.3.100.0040.01214.70
7.3.90.0110.00414.91
7.3.80.0090.00614.77
7.3.70.0030.01014.89
7.3.60.0060.00914.48
7.3.50.0030.01014.75
7.3.40.0070.00714.76
7.3.30.0100.00714.82
7.3.20.0100.00716.61
7.3.10.0110.00016.65
7.3.00.0100.00316.71
7.2.330.0080.00816.38
7.2.320.0100.01016.57
7.2.310.0040.01716.32
7.2.300.0100.01316.39
7.2.290.0030.01316.35
7.2.240.0110.00014.87
7.2.230.0040.01214.63
7.2.220.0000.01714.82
7.2.210.0080.00814.81
7.2.200.0060.00615.00
7.2.190.0060.00914.68
7.2.180.0110.00714.65
7.2.170.0090.00614.90
7.2.160.0070.01014.69
7.2.150.0070.00716.75
7.2.140.0000.01816.65
7.2.130.0080.00416.75
7.2.120.0130.00316.89
7.2.110.0090.00616.73
7.2.100.0040.00816.80
7.2.90.0070.01116.59
7.2.80.0100.00716.76
7.2.70.0090.00616.80
7.2.60.0070.01016.61
7.2.50.0060.00916.97
7.2.40.0070.01016.80
7.2.30.0060.00916.73
7.2.20.0060.00616.68
7.2.10.0100.00716.80
7.2.00.0070.00718.07
7.1.330.0070.00715.89
7.1.320.0050.00815.48
7.1.310.0060.00615.65
7.1.300.0070.00715.76
7.1.290.0080.00815.76
7.1.280.0140.00315.75
7.1.270.0030.00915.90
7.1.260.0030.01115.56
7.1.250.0070.00715.76
7.1.100.0060.00318.02
7.1.70.0040.00417.17
7.1.60.0150.01119.30
7.1.50.0030.01716.79
7.1.00.0070.05722.36
7.0.200.0070.01016.70
7.0.140.0030.07022.18
7.0.120.0100.06021.96
7.0.60.0100.03719.98
7.0.50.0030.06317.88
7.0.40.0170.07720.30
7.0.30.0300.07720.22
7.0.20.0070.05020.30
7.0.10.0100.08320.22
7.0.00.0100.05020.18
5.6.280.0000.07320.91
5.6.210.0170.07320.47
5.6.200.0030.04318.22
5.6.190.0130.07020.58
5.6.180.0100.06720.35
5.6.170.0200.07720.49
5.6.160.0170.06720.49
5.6.150.0070.03718.13
5.6.140.0000.06318.10
5.6.130.0000.06318.18
5.6.120.0070.07021.13
5.6.110.0100.08720.88
5.6.100.0070.07321.05
5.6.90.0030.09321.05
5.6.80.0030.08020.38
5.5.350.0100.07720.46
5.5.340.0030.05017.89
5.5.330.0000.05020.43
5.5.320.0330.08020.34
5.5.310.0330.06720.13
5.5.300.0030.08317.91
5.5.290.0070.07017.95
5.5.280.0200.07320.86
5.5.270.0030.06020.66
5.5.260.0030.08720.75
5.5.250.0030.05320.61
5.5.240.0300.07320.17
5.4.450.2800.04719.26
5.4.440.3170.03019.21
5.4.430.3030.03319.56
5.4.420.3170.02719.56
5.4.410.3200.03019.41
5.4.400.2330.03319.26
5.4.390.3170.03719.13
5.4.380.3270.03318.93
5.4.370.2870.04019.21
5.4.360.2770.04018.88
5.4.350.2870.04018.91
5.4.340.3130.03719.13
5.4.320.2900.04019.16
5.4.310.3400.03719.25
5.4.300.3170.03719.09
5.4.290.3200.03319.25
5.4.280.3170.03719.13
5.4.270.3030.04719.08
5.4.260.3100.04019.10
5.4.250.3130.04318.92
5.4.240.2930.03319.04
5.4.230.3170.03318.87
5.4.220.3070.04719.13
5.4.210.3300.04019.24
5.4.200.3570.04018.91
5.4.190.3170.03719.25
5.4.180.3100.03318.91
5.4.170.3230.04719.24
5.4.160.3100.03718.77
5.4.150.3270.03019.06
5.4.140.3170.03316.18
5.4.130.3200.04316.44
5.4.120.3200.04016.30
5.4.110.2930.04316.20
5.4.100.2970.03716.30
5.4.90.3030.03016.24
5.4.80.3200.03316.46
5.4.70.2900.03716.46
5.4.60.3270.03316.28
5.4.50.2670.03716.36
5.4.40.3230.03016.41
5.4.30.3130.03716.18
5.4.20.2830.04016.05
5.4.10.3230.03016.18
5.4.00.2930.03715.78
5.3.290.3230.04014.61
5.3.280.3270.04014.46
5.3.270.2670.04014.66
5.3.260.2930.03314.45
5.3.250.3230.03314.55
5.3.240.2870.03714.65
5.3.230.2830.03714.62
5.3.220.3330.04014.41
5.3.210.2730.03714.43
5.3.200.3100.03714.51
5.3.190.3230.04014.42
5.3.180.3170.04014.40
5.3.170.3200.03714.51
5.3.160.3200.03314.39
5.3.150.2930.03314.39
5.3.140.3170.04014.50
5.3.130.3000.03014.38
5.3.120.3170.03714.40
5.3.110.3130.04014.47
5.3.100.3170.04013.88
5.3.90.3130.04014.05
5.3.80.3070.04014.00
5.3.70.3170.04013.89
5.3.60.3070.03313.91
5.3.50.3170.03713.72
5.3.40.3200.03713.82
5.3.30.3170.03313.74
5.3.20.3170.02713.64
5.3.10.2900.03313.70
5.3.00.3030.03713.56
5.2.170.2530.03312.83
5.2.160.2600.03312.83
5.2.150.2700.03012.83
5.2.140.2500.03312.83
5.2.130.2600.02712.83
5.2.120.2500.04012.83
5.2.110.2430.02312.83
5.2.100.2470.02312.83
5.2.90.2600.02312.83
5.2.80.2630.03012.83
5.2.70.2400.02712.83
5.2.60.2600.03312.83
5.2.50.1370.04012.83
5.2.40.2430.03012.83
5.2.30.2170.03312.83
5.2.20.2100.02712.83
5.2.10.2070.03012.83
5.2.00.2470.02712.83
5.1.60.1970.03012.83
5.1.50.2230.02312.83
5.1.40.2200.02312.83
5.1.30.1330.02312.83
5.1.20.2100.03312.83
5.1.10.2330.01712.83
5.1.00.2070.03012.83
5.0.50.1100.02012.83
5.0.40.1270.02012.83
5.0.30.1070.02312.83
5.0.20.1070.02012.83
5.0.10.1200.02712.83
5.0.00.1130.03712.83
4.4.90.1070.01312.83
4.4.80.0970.01312.83
4.4.70.0900.02012.83
4.4.60.1030.01712.83
4.4.50.1200.02012.83
4.4.40.0930.02712.83
4.4.30.1230.02012.83
4.4.20.1100.02012.83
4.4.10.1000.01712.83
4.4.00.0930.02712.83
4.3.110.1230.01712.83
4.3.100.1130.02012.83
4.3.90.1270.01712.83
4.3.80.1100.02712.83
4.3.70.1130.01312.83
4.3.60.1230.02012.83
4.3.50.1230.02312.83
4.3.40.0970.02312.83
4.3.30.0500.01312.83
4.3.20.0470.01712.83
4.3.10.0500.01312.83
4.3.00.0530.01312.83

preferences:
45.98 ms | 400 KiB | 5 Q