3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bols = array(1, 2, 3); print_r(array_keys($bols));

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)
8.3.40.0110.00318.54
8.3.30.0100.00320.09
8.3.20.0000.00720.16
8.3.10.0070.00021.83
8.3.00.0040.00422.58
8.2.170.0110.00322.96
8.2.160.0100.00722.21
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0020.00520.80
8.2.110.0000.00921.07
8.2.100.0040.00817.78
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0030.00617.48
8.2.60.0000.00917.93
8.2.50.0030.00618.07
8.2.40.0000.00718.15
8.2.30.0040.00419.41
8.2.20.0000.00817.50
8.2.10.0000.00717.48
8.2.00.0000.00817.61
8.1.270.0080.00023.99
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00321.31
8.1.230.0090.00317.42
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0000.00917.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0050.00318.52
8.1.160.0040.00418.75
8.1.150.0070.00018.58
8.1.140.0070.00017.37
8.1.130.0000.00717.66
8.1.120.0050.00217.40
8.1.110.0000.00717.27
8.1.100.0050.00217.39
8.1.90.0070.00017.36
8.1.80.0080.00017.29
8.1.70.0030.00317.38
8.1.60.0030.00617.34
8.1.50.0040.00417.48
8.1.40.0080.00017.36
8.1.30.0070.00017.45
8.1.20.0030.00517.51
8.1.10.0060.00317.37
8.1.00.0000.00717.22
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0060.00018.22
8.0.270.0070.00017.10
8.0.260.0030.00316.66
8.0.250.0060.00016.75
8.0.240.0030.00516.90
8.0.230.0030.00316.91
8.0.220.0000.00716.78
8.0.210.0030.00316.71
8.0.200.0040.00416.83
8.0.190.0040.00416.83
8.0.180.0040.00416.75
8.0.170.0030.00516.87
8.0.160.0000.00816.68
8.0.150.0040.00416.72
8.0.140.0030.00516.79
8.0.130.0060.00013.29
8.0.120.0000.00816.71
8.0.110.0040.00416.77
8.0.100.0070.00016.83
8.0.90.0050.00316.91
8.0.80.0040.01116.77
8.0.70.0100.00016.81
8.0.60.0050.00216.88
8.0.50.0050.00316.71
8.0.30.0050.01416.82
8.0.20.0110.00717.40
8.0.10.0040.00416.84
8.0.00.0150.00916.66
7.4.330.0000.00516.67
7.4.320.0000.00716.41
7.4.300.0030.00316.42
7.4.290.0030.00316.46
7.4.280.0000.00716.52
7.4.270.0000.00616.42
7.4.260.0000.00613.16
7.4.250.0040.00416.34
7.4.240.0040.00416.53
7.4.230.0000.00816.62
7.4.220.0070.01016.32
7.4.210.0060.01016.49
7.4.200.0050.00216.62
7.4.190.0030.00316.69
7.4.160.0130.01016.51
7.4.150.0000.01717.40
7.4.140.0120.00917.86
7.4.130.0110.00816.55
7.4.120.0110.00616.44
7.4.110.0090.00616.34
7.4.100.0030.01416.54
7.4.90.0120.00616.32
7.4.80.0100.00719.39
7.4.70.0090.00616.33
7.4.60.0040.01216.54
7.4.50.0060.00316.25
7.4.40.0110.00322.77
7.4.30.0070.01416.29
7.4.00.0060.00614.76
7.3.330.0050.00013.02
7.3.320.0000.00612.97
7.3.310.0050.00216.22
7.3.300.0030.00316.11
7.3.290.0070.01316.08
7.3.280.0110.00616.08
7.3.270.0070.01717.40
7.3.260.0110.00516.44
7.3.250.0070.00916.32
7.3.240.0080.00816.41
7.3.230.0120.00616.43
7.3.210.0130.00316.36
7.3.200.0080.00819.39
7.3.190.0150.00616.19
7.3.180.0060.01016.36
7.3.170.0070.01016.31
7.3.160.0060.00916.44
7.3.120.0070.00714.74
7.2.330.0070.01016.47
7.2.320.0180.00316.48
7.2.310.0060.01116.41
7.2.300.0080.00816.21
7.2.290.0060.01216.51
7.2.60.0070.01016.38
7.2.00.0060.00619.36
7.1.200.0060.00315.60
7.1.100.0040.00818.03
7.1.70.0000.00717.13
7.1.60.0140.01119.17
7.1.50.0030.01716.86
7.1.00.0000.03722.27
7.0.200.0040.01116.79
7.0.140.0030.07322.01
7.0.100.0170.07320.02
7.0.90.0230.03719.91
7.0.80.0030.04319.84
7.0.70.0070.04720.01
7.0.60.0070.03720.06
7.0.50.0030.04720.19
7.0.40.0100.04020.04
7.0.30.0070.05020.18
7.0.20.0130.03320.08
7.0.10.0030.05020.09
7.0.00.0030.04319.95
5.6.280.0070.07021.13
5.6.250.0100.08320.61
5.6.240.0170.03020.71
5.6.230.0170.03720.68
5.6.220.0030.04320.57
5.6.210.0000.04720.71
5.6.200.0000.04720.95
5.6.190.0100.04721.13
5.6.180.0070.03721.09
5.6.170.0030.04320.95
5.6.160.0000.04721.08
5.6.150.0100.03721.08
5.6.140.0030.04020.94
5.6.130.0030.04720.95
5.6.120.0100.03720.99
5.6.110.0070.04021.07
5.6.100.0030.04720.91
5.6.90.0070.04021.07
5.6.80.0070.04020.39
5.6.70.0000.04020.47
5.6.60.0000.03720.32
5.6.50.0030.03320.43
5.6.40.0070.04020.36
5.6.30.0000.04320.27
5.6.20.0070.08320.30
5.6.10.0100.07720.39
5.6.00.0100.06320.41
5.5.380.0100.05720.32
5.5.370.0070.04720.48
5.5.360.0030.03320.55
5.5.350.0030.03320.36
5.5.340.0030.06020.82
5.5.330.0070.04320.77
5.5.320.0130.05320.88
5.5.310.0130.04320.93
5.5.300.0070.03720.73
5.5.290.0030.04320.85
5.5.280.0100.03720.84
5.5.270.0000.04720.71
5.5.260.0070.04020.86
5.5.250.0070.04020.45
5.5.240.0070.03720.21
5.5.230.0030.04320.23
5.5.220.0070.03720.01
5.5.210.0030.04020.20
5.5.200.0070.03020.25
5.5.190.0070.03020.17
5.5.180.0000.04020.14
5.5.160.0070.08020.27
5.5.150.0070.07319.96
5.5.140.0070.08020.22
5.5.130.0100.03720.21
5.5.120.0070.06020.25
5.5.110.0270.04020.26
5.5.100.0100.07020.05
5.5.90.0100.05720.11
5.5.80.0130.07320.06
5.5.70.0230.05720.04
5.5.60.0170.07320.14
5.5.50.0100.06320.04
5.5.40.0070.06020.04
5.5.30.0130.06019.92
5.5.20.0070.08320.07
5.5.10.0070.07720.10
5.5.00.0130.07319.96
5.4.450.0000.04019.42
5.4.440.0000.04319.36
5.4.430.0030.04019.50
5.4.420.0030.04019.35
5.4.410.0030.04019.05
5.4.400.0100.03319.14
5.4.390.0030.03719.05
5.4.380.0130.02719.13
5.4.370.0000.03319.10
5.4.360.0070.03719.20
5.4.350.0030.04019.04
5.4.340.0070.06319.20
5.4.320.0100.06719.18
5.4.310.0170.06719.04
5.4.300.0030.07318.84
5.4.290.0100.06019.14
5.4.280.0070.06019.09
5.4.270.0070.03319.04
5.4.260.0030.07718.94
5.4.250.0130.06019.11
5.4.240.0000.08019.17
5.4.230.0130.03718.94
5.4.220.0170.06319.13
5.4.210.0070.04018.89
5.4.200.0030.07719.17
5.4.190.0030.06318.86
5.4.180.0070.08019.11
5.4.170.0100.07019.01
5.4.160.0030.07719.01
5.4.150.0100.04319.02
5.4.140.0000.06016.43
5.4.130.0070.05016.42
5.4.120.0100.07016.44
5.4.110.0030.04316.50
5.4.100.0070.06716.44
5.4.90.0070.07716.39
5.4.80.0030.06716.48
5.4.70.0070.06716.49
5.4.60.0130.04716.39
5.4.50.0070.05716.48
5.4.40.0130.07316.46
5.4.30.0000.08016.47
5.4.20.0000.04716.29
5.4.10.0030.06716.47
5.4.00.0070.05715.77
5.3.290.0070.07714.63
5.3.280.0070.07314.51
5.3.270.0070.08014.56
5.3.260.0100.04014.62
5.3.250.0070.05714.73
5.3.240.0100.07314.62
5.3.230.0100.07714.53
5.3.220.0130.07014.63
5.3.210.0000.05314.54
5.3.200.0100.04314.52
5.3.190.0000.07314.49
5.3.180.0000.04014.47
5.3.170.0070.07014.57
5.3.160.0070.07314.60
5.3.150.0030.07014.49
5.3.140.0100.04714.61
5.3.130.0070.06014.64
5.3.120.0100.04314.64
5.3.110.0000.06014.54
5.3.100.0030.06713.99
5.3.90.0130.04713.91
5.3.80.0000.08013.93
5.3.70.0030.08013.93
5.3.60.0100.03313.88
5.3.50.0030.07713.99
5.3.40.0000.07314.04
5.3.30.0030.04713.78
5.3.20.0130.06313.61
5.3.10.0170.05713.57
5.3.00.0070.06713.55
5.2.170.0030.06012.45
5.2.160.0000.06312.45
5.2.150.0100.05712.45
5.2.140.0070.06312.45
5.2.130.0000.06012.45
5.2.120.0030.06012.45
5.2.110.0070.06012.45
5.2.100.0070.05712.45
5.2.90.0030.05012.45
5.2.80.0030.05712.45
5.2.70.0030.05312.45
5.2.60.0030.07012.45
5.2.50.0100.05712.45
5.2.40.0070.06312.45
5.2.30.0070.06012.45
5.2.20.0030.06012.45
5.2.10.0030.06012.45
5.2.00.0070.04712.45
5.1.60.0100.05012.45
5.1.50.0070.05712.45
5.1.40.0030.03712.45
5.1.30.0000.06012.45
5.1.20.0100.04312.45
5.1.10.0030.05312.45
5.1.00.0130.05012.45
5.0.50.0130.04012.45
5.0.40.0000.02312.45
5.0.30.0000.05012.45
5.0.20.0070.04012.45
5.0.10.0000.04712.45
5.0.00.0030.07012.45
4.4.90.0030.03012.45
4.4.80.0000.03712.45
4.4.70.0000.03712.45
4.4.60.0070.02312.45
4.4.50.0030.02312.45
4.4.40.0070.02712.45
4.4.30.0000.04312.45
4.4.20.0000.02012.45
4.4.10.0030.02712.45
4.4.00.0000.05012.45
4.3.110.0000.03712.45
4.3.100.0030.01312.45
4.3.90.0070.03012.45
4.3.80.0030.05012.45
4.3.70.0130.02712.45
4.3.60.0000.03712.45
4.3.50.0100.03012.45
4.3.40.0070.04712.45
4.3.30.0000.02712.45
4.3.20.0000.04012.45
4.3.10.0000.02712.45
4.3.00.0000.03012.45

preferences:
31.07 ms | 400 KiB | 5 Q