3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = array('9' => 'bar'); unset($f['j']); var_export($f);

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)
8.3.60.0140.00716.50
8.3.50.0120.00621.94
8.3.40.0150.00618.67
8.3.30.0080.00818.92
8.3.20.0040.00420.33
8.3.10.0040.00421.87
8.3.00.0040.00419.02
8.2.180.0040.01118.54
8.2.170.0070.00722.96
8.2.160.0100.00320.53
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0040.00419.54
8.2.110.0090.00020.99
8.2.100.0040.00719.51
8.2.90.0000.00819.17
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0040.00418.03
8.2.50.0090.00018.07
8.2.40.0080.00019.88
8.2.30.0000.00817.99
8.2.20.0000.00717.56
8.2.10.0050.00317.98
8.2.00.0070.00017.46
8.1.280.0070.01125.92
8.1.270.0060.00318.71
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00622.50
8.1.230.0000.01117.45
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0000.00917.35
8.1.190.0080.00017.10
8.1.180.0050.00318.10
8.1.170.0000.00820.28
8.1.160.0040.00421.94
8.1.150.0000.00718.86
8.1.140.0040.00417.32
8.1.130.0040.00417.75
8.1.120.0040.00417.32
8.1.110.0000.00817.39
8.1.100.0000.00717.44
8.1.90.0040.00417.38
8.1.80.0070.00017.38
8.1.70.0000.00717.44
8.1.60.0000.00917.54
8.1.50.0070.00017.48
8.1.40.0030.00517.36
8.1.30.0030.00617.64
8.1.20.0000.00717.64
8.1.10.0000.00717.34
8.1.00.0070.00017.32
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0050.00218.38
8.0.270.0030.00317.20
8.0.260.0000.00717.15
8.0.250.0000.00716.88
8.0.240.0030.00316.89
8.0.230.0000.00716.92
8.0.220.0030.00316.81
8.0.210.0060.00016.83
8.0.200.0070.00016.90
8.0.190.0040.00416.84
8.0.180.0000.00716.88
8.0.170.0000.00816.77
8.0.160.0070.00016.86
8.0.150.0030.00516.64
8.0.140.0000.00716.71
8.0.130.0030.00313.24
8.0.120.0000.00816.61
8.0.110.0040.00416.78
8.0.100.0000.00816.88
8.0.90.0050.00216.85
8.0.80.0050.01116.82
8.0.70.0060.00316.66
8.0.60.0040.00416.86
8.0.50.0070.00016.86
8.0.30.0070.01217.03
8.0.20.0100.01317.40
8.0.10.0000.00716.73
8.0.00.0080.00916.73
7.4.330.0000.00515.14
7.4.320.0070.00016.51
7.4.300.0000.00616.59
7.4.290.0070.00016.47
7.4.280.0050.00516.63
7.4.270.0030.00316.49
7.4.260.0030.00616.53
7.4.250.0050.00216.46
7.4.240.0020.00616.51
7.4.230.0030.00316.47
7.4.220.0040.01216.48
7.4.210.0110.00316.67
7.4.200.0070.00016.57
7.4.160.0090.00616.68
7.4.150.0030.02017.40
7.4.140.0130.00717.86
7.4.130.0080.01016.52
7.4.120.0110.00616.46
7.4.110.0140.00316.66
7.4.100.0070.01316.46
7.4.90.0100.01416.47
7.4.80.0150.00919.39
7.4.70.0130.00316.43
7.4.60.0080.00816.46
7.4.50.0000.00916.29
7.4.40.0060.00916.41
7.4.30.0090.00816.34
7.4.00.0090.00914.66
7.3.330.0000.00612.93
7.3.320.0090.00512.91
7.3.310.0030.00516.04
7.3.300.0030.00316.19
7.3.290.0080.00916.23
7.3.280.0080.01016.15
7.3.270.0150.00317.40
7.3.260.0090.01516.19
7.3.250.0140.00416.26
7.3.240.0060.01016.42
7.3.230.0110.00716.39
7.3.210.0060.00916.27
7.3.200.0150.00719.39
7.3.190.0040.01716.07
7.3.180.0110.00716.30
7.3.170.0160.00316.27
7.3.160.0090.00916.17
7.3.120.0110.00714.45
7.3.110.0040.00714.83
7.3.100.0130.00614.70
7.3.90.0070.01114.46
7.3.80.0070.00714.72
7.3.70.0060.00614.83
7.3.60.0060.00614.51
7.3.50.0040.01114.53
7.3.40.0120.00614.69
7.3.30.0120.00314.89
7.3.20.0120.00316.56
7.3.10.0030.01316.39
7.3.00.0060.00616.59
7.2.330.0140.00416.34
7.2.320.0130.00316.24
7.2.310.0370.02216.59
7.2.300.0070.01116.67
7.2.290.0170.00616.44
7.2.250.0030.01515.13
7.2.240.0030.01215.10
7.2.230.0150.00314.68
7.2.220.0100.00315.12
7.2.210.0090.00614.70
7.2.200.0090.00614.94
7.2.190.0030.01314.79
7.2.180.0070.00715.00
7.2.170.0060.00614.95
7.2.60.0000.01216.75
7.2.00.0060.00618.92
7.1.330.0000.01615.98
7.1.320.0030.01015.80
7.1.310.0110.00315.85
7.1.300.0040.00815.62
7.1.290.0090.00615.62
7.1.280.0080.00415.73
7.1.270.0100.00315.45
7.1.260.0030.01315.91
7.1.200.0000.01115.40
7.1.100.0000.01418.06
7.1.70.0060.01016.95
7.1.60.0090.01619.50
7.1.50.0030.01716.38
7.1.00.0070.07322.40
7.0.200.0520.00714.56
7.0.140.0000.07022.04
7.0.60.0070.03720.05
7.0.50.0200.06717.88
7.0.40.0130.03320.21
7.0.30.0300.08020.13
7.0.20.0330.07320.32
7.0.10.0130.07720.02
7.0.00.0070.05320.33
5.6.280.0130.06020.86
5.6.210.0100.07720.56
5.6.200.0170.06718.09
5.6.190.0100.08320.39
5.6.180.0600.06320.39
5.6.170.0170.05320.66
5.6.160.0000.04320.38
5.6.150.0100.08318.18
5.6.140.0000.04018.21
5.6.130.0000.04318.17
5.6.120.0100.05021.00
5.6.110.0070.08721.08
5.6.100.0200.07021.08
5.6.90.0130.07720.96
5.6.80.0100.05020.47
5.5.350.0200.06720.27
5.5.340.0130.04717.94
5.5.330.0070.08320.23
5.5.320.0500.06020.51
5.5.310.0370.05020.29
5.5.300.0100.03318.02
5.5.290.0130.07317.90
5.5.280.0030.09020.79
5.5.270.0000.04720.72
5.5.260.0170.07320.88
5.5.250.0100.03320.69
5.5.240.0030.06320.28
5.4.450.0370.03019.21
5.4.440.0200.04319.44
5.4.430.0270.04319.20
5.4.420.0300.03319.44
5.4.410.0230.04319.02
5.4.400.0300.07719.09
5.4.390.0270.03719.08
5.4.380.0270.04019.16
5.4.370.0330.03319.13
5.4.360.0330.03719.06
5.4.350.0230.04019.21
5.4.340.0230.04019.05
5.4.320.0370.05318.94
5.4.310.0330.03718.77
5.4.300.0330.07019.07
5.4.290.0270.03719.03
5.4.280.0230.04319.24
5.4.270.0330.03319.08
5.4.260.0270.03318.91
5.4.250.0270.03719.08
5.4.240.0230.04019.07
5.4.230.0230.04018.91
5.4.220.0270.04019.08
5.4.210.0230.04019.23
5.4.200.0270.03319.16
5.4.190.0230.03719.24
5.4.180.0330.03019.03
5.4.170.0330.04019.08
5.4.160.0230.03718.75
5.4.150.0300.03318.89
5.4.140.0270.03316.27
5.4.130.0230.03716.26
5.4.120.0300.03016.29
5.4.110.0300.03016.45
5.4.100.0230.04016.39
5.4.90.0330.03316.39
5.4.80.0270.03316.41
5.4.70.0230.04316.29
5.4.60.0230.03716.21
5.4.50.0300.03316.40
5.4.40.0230.03716.32
5.4.30.0300.04016.21
5.4.20.0270.03716.21
5.4.10.0200.04016.35
5.4.00.0300.03716.21
5.3.290.0230.03716.21
5.3.280.0230.04316.21
5.3.270.0300.03316.21
5.3.260.0230.04316.21
5.3.250.0270.03716.21
5.3.240.0300.03716.21
5.3.230.0330.03016.21
5.3.220.0270.03716.21
5.3.210.0230.03716.21
5.3.200.0300.03316.21
5.3.190.0270.04016.21
5.3.180.0200.05016.21
5.3.170.0270.03316.21
5.3.160.0230.03716.21
5.3.150.0300.03316.21
5.3.140.0270.03316.21
5.3.130.0270.03316.21
5.3.120.0300.03316.21
5.3.110.0230.03716.21
5.3.100.0270.03316.21
5.3.90.0330.03716.21
5.3.80.0230.04016.21
5.3.70.0270.03316.21
5.3.60.0200.04316.21
5.3.50.0270.03316.21
5.3.40.0230.04016.21
5.3.30.0270.03716.21
5.3.20.0200.04016.21
5.3.10.0300.04016.21
5.3.00.0200.04016.21
5.2.170.0170.03316.21
5.2.160.0170.03316.21
5.2.150.0270.02316.21
5.2.140.0200.03316.21
5.2.130.0200.03716.21
5.2.120.0230.02716.21
5.2.110.0170.03016.21
5.2.100.0200.02716.21
5.2.90.0270.02716.21
5.2.80.0200.03016.21
5.2.70.0200.03316.21
5.2.60.0270.02016.21
5.2.50.0170.03016.21
5.2.40.0200.02316.21
5.2.30.0200.02316.21
5.2.20.0170.02716.21
5.2.10.0170.02716.21
5.2.00.0370.03016.21
5.1.60.0130.02716.21
5.1.50.0130.03316.21
5.1.40.0130.02716.21
5.1.30.0170.02716.21
5.1.20.0200.02316.21
5.1.10.0300.03716.21
5.1.00.0130.02716.21
5.0.50.0170.02016.21
5.0.40.0070.02016.21
5.0.30.0130.03716.21
5.0.20.0100.02016.21
5.0.10.0100.03316.21
5.0.00.0100.03016.21
4.4.90.0070.01716.21
4.4.80.0070.01716.21
4.4.70.0070.03316.21
4.4.60.0100.02716.21
4.4.50.0130.03016.21
4.4.40.0070.02716.21
4.4.30.0070.01716.21
4.4.20.0100.03016.21
4.4.10.0170.02716.21
4.4.00.0130.04716.21
4.3.110.0130.02316.21
4.3.100.0100.01316.21
4.3.90.0130.02316.21
4.3.80.0100.03316.21
4.3.70.0130.02016.21
4.3.60.0100.02016.21
4.3.50.0200.03016.21
4.3.40.0100.04716.21
4.3.30.0100.03316.21
4.3.20.0100.02016.21
4.3.10.0070.03316.21
4.3.00.0070.01716.21

preferences:
48.27 ms | 401 KiB | 5 Q