3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array(); unset($foo['fu']['bar']);

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)
8.3.60.0140.00016.63
8.3.50.0070.01122.08
8.3.40.0060.00818.78
8.3.30.0070.00718.96
8.3.20.0040.00420.35
8.3.10.0080.00021.77
8.3.00.0040.01119.38
8.2.180.0110.00418.41
8.2.170.0040.01122.96
8.2.160.0100.00320.43
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.67
8.2.110.0040.00422.21
8.2.100.0060.00617.71
8.2.90.0040.00417.68
8.2.80.0070.00317.97
8.2.70.0000.01017.63
8.2.60.0060.00317.80
8.2.50.0090.00018.07
8.2.40.0040.00420.07
8.2.30.0040.00417.93
8.2.20.0000.00817.55
8.2.10.0000.00818.04
8.2.00.0040.00417.52
8.1.280.0070.01025.92
8.1.270.0040.00418.64
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.01020.64
8.1.230.0090.00320.85
8.1.220.0040.00417.74
8.1.210.0000.00718.80
8.1.200.0060.00317.23
8.1.190.0090.00017.23
8.1.180.0070.00018.10
8.1.170.0030.00520.30
8.1.160.0070.00021.94
8.1.150.0080.00018.82
8.1.140.0030.00617.41
8.1.130.0030.00317.87
8.1.120.0000.00817.41
8.1.110.0000.00717.45
8.1.100.0040.00317.25
8.1.90.0050.00317.27
8.1.80.0000.00717.36
8.1.70.0000.00717.32
8.1.60.0040.00417.51
8.1.50.0040.00417.34
8.1.40.0040.00417.42
8.1.30.0030.00517.49
8.1.20.0040.00417.56
8.1.10.0030.00617.32
8.1.00.0040.00417.45
8.0.300.0070.00019.98
8.0.290.0050.00316.63
8.0.280.0030.00518.33
8.0.270.0030.00317.26
8.0.260.0030.00317.09
8.0.250.0000.00716.78
8.0.240.0070.00016.81
8.0.230.0000.00616.79
8.0.220.0030.00316.84
8.0.210.0030.00316.83
8.0.200.0030.00316.77
8.0.190.0000.00716.79
8.0.180.0030.00316.83
8.0.170.0040.00416.90
8.0.160.0000.00816.79
8.0.150.0030.00316.78
8.0.140.0030.00316.67
8.0.130.0060.00013.23
8.0.120.0020.00516.82
8.0.110.0040.00416.73
8.0.100.0000.00716.80
8.0.90.0050.00316.67
8.0.80.0070.01316.77
8.0.70.0040.00416.75
8.0.60.0000.00716.86
8.0.50.0000.00816.84
8.0.30.0100.01416.87
8.0.20.0080.01217.40
8.0.10.0080.00016.73
8.0.00.0080.00816.85
7.4.330.0020.00215.07
7.4.320.0030.00316.51
7.4.300.0000.00616.50
7.4.290.0030.00316.48
7.4.280.0040.00416.48
7.4.270.0030.00316.48
7.4.260.0030.00316.43
7.4.250.0070.00016.38
7.4.240.0020.00516.56
7.4.230.0070.00016.48
7.4.220.0060.01216.51
7.4.210.0160.00316.41
7.4.200.0070.00016.62
7.4.160.0090.00616.28
7.4.150.0130.00617.40
7.4.140.0050.01117.86
7.4.130.0110.00516.46
7.4.120.0110.00516.38
7.4.110.0070.01016.47
7.4.100.0120.00916.57
7.4.90.0120.01216.37
7.4.80.0130.01019.39
7.4.70.0070.01016.47
7.4.60.0030.01316.49
7.4.50.0050.00316.32
7.4.40.0090.00616.20
7.4.30.0120.00616.43
7.4.00.0060.00614.84
7.3.330.0050.00013.09
7.3.320.0070.00713.16
7.3.310.0060.00016.10
7.3.300.0060.00016.19
7.3.290.0060.00716.27
7.3.280.0060.01216.24
7.3.270.0090.00917.40
7.3.260.0140.00316.53
7.3.250.0110.00616.19
7.3.240.0120.00916.15
7.3.230.0150.00716.39
7.3.210.0110.00416.15
7.3.200.0130.00919.39
7.3.190.0150.00616.48
7.3.180.0130.00316.09
7.3.170.0130.00716.27
7.3.160.0000.01816.57
7.3.120.0070.01014.79
7.3.110.0000.01314.89
7.3.100.0110.00314.98
7.3.90.0060.00614.84
7.3.80.0030.01314.62
7.3.70.0030.01014.81
7.3.60.0030.00814.82
7.3.50.0090.00614.78
7.3.40.0040.01114.48
7.3.30.0030.00814.81
7.3.20.0030.01016.41
7.3.10.0030.00916.38
7.3.00.0060.00316.57
7.2.330.0070.01016.26
7.2.320.0000.01716.69
7.2.310.0120.00616.47
7.2.300.0030.01316.58
7.2.290.0120.00416.21
7.2.240.0100.00614.93
7.2.230.0130.00314.94
7.2.220.0090.00614.76
7.2.210.0030.00914.70
7.2.200.0030.01014.66
7.2.190.0030.01315.05
7.2.180.0090.00315.07
7.2.170.0050.00514.95
7.2.160.0070.00315.11
7.2.150.0000.01016.86
7.2.140.0070.00716.44
7.2.130.0090.00316.70
7.2.120.0000.00916.86
7.2.110.0070.01116.82
7.2.100.0070.00316.84
7.2.90.0060.00916.73
7.2.80.0140.00416.81
7.2.70.0070.00716.88
7.2.60.0090.00616.80
7.2.50.0090.00616.97
7.2.40.0070.00716.91
7.2.30.0090.00616.52
7.2.20.0060.00616.88
7.2.10.0100.00316.85
7.2.00.0020.01217.96
7.1.330.0040.01115.84
7.1.320.0090.00315.50
7.1.310.0080.00815.54
7.1.300.0060.00915.54
7.1.290.0030.01015.70
7.1.280.0040.00815.88
7.1.270.0040.01115.70
7.1.260.0030.00715.63
7.1.250.0000.01315.41
7.1.100.0080.00317.88
7.1.70.0000.00817.09
7.1.60.0130.01319.50
7.1.50.0070.01416.76
7.1.00.0070.07322.40
7.0.200.0080.00816.86
7.0.140.0000.08021.92
7.0.60.0000.04319.95
7.0.50.0070.07717.86
7.0.40.0070.04320.08
7.0.30.0270.07320.34
7.0.20.0230.04320.30
7.0.10.0230.07320.16
7.0.00.0030.09020.16
5.6.280.0070.07021.07
5.6.210.0100.08020.63
5.6.200.0100.07718.23
5.6.190.0070.07720.39
5.6.180.0230.08320.43
5.6.170.0370.07720.49
5.6.160.0030.04320.40
5.6.150.0070.03718.12
5.6.140.0070.08018.20
5.6.130.0070.08018.20
5.6.120.0170.07721.13
5.6.110.0130.08020.98
5.6.100.0070.07720.97
5.6.90.0130.08021.11
5.6.80.0070.08320.48
5.5.350.0170.08720.45
5.5.340.0030.04017.91
5.5.330.0070.04720.39
5.5.320.0130.08720.16
5.5.310.0230.08020.29
5.5.300.0030.04017.96
5.5.290.0130.07317.97
5.5.280.0070.03720.87
5.5.270.0030.06020.82
5.5.260.0170.06320.88
5.5.250.0030.07020.65
5.5.240.0070.04020.06
5.4.450.0100.05319.52
5.4.440.0970.06019.41
5.4.430.0800.06319.48
5.4.420.0130.04719.62
5.4.410.0900.06019.14
5.4.400.0130.06018.75
5.4.390.0170.05718.57
5.4.380.0200.06018.55
5.4.370.0130.06018.66
5.4.360.0270.04718.65
5.4.350.0270.05718.65
5.4.340.0230.05018.57
5.4.320.0200.05718.54
5.4.310.0200.06718.71
5.4.300.0370.03718.61
5.4.290.0230.05018.55
5.4.280.0130.05718.50
5.4.270.0230.05018.69
5.4.260.0200.05018.51
5.4.250.0230.05718.59
5.4.240.0300.06718.68
5.4.230.0270.06718.71
5.4.220.0230.07318.47
5.4.210.0130.06018.73
5.4.200.0130.05316.65
5.4.190.0100.06718.65
5.4.180.0130.05718.73
5.4.170.0230.05018.56
5.4.160.0230.07018.43
5.4.150.0200.07018.44
5.4.140.0170.05316.09
5.4.130.0170.05016.08
5.4.120.0200.05016.04
5.4.110.0130.05316.09
5.4.100.0200.05016.18
5.4.90.0170.05016.20
5.4.80.0130.05316.29
5.4.70.0230.04316.23
5.4.60.0300.05016.16
5.4.50.0200.04716.14
5.4.40.0200.07316.21
5.4.30.0200.05016.32
5.4.20.0200.07316.21
5.4.10.0200.05016.11
5.4.00.0300.04715.53
5.3.290.0230.05314.63
5.3.280.0170.05314.55
5.3.270.0170.05714.59
5.3.260.0130.06014.69
5.3.250.0200.05014.60
5.3.240.0170.05014.58
5.3.230.0230.05714.64
5.3.220.0230.04714.61
5.3.210.0230.04714.64
5.3.200.0200.07314.56
5.3.190.0330.04314.56
5.3.180.0200.05314.64
5.3.170.0200.05014.52
5.3.160.0270.06314.55
5.3.150.0230.05014.53
5.3.140.0270.05014.54
5.3.130.0130.06314.63
5.3.120.0400.03714.52
5.3.110.0200.06314.64
5.3.100.0470.06313.93
5.3.90.0370.06014.11
5.3.80.0330.05313.93
5.3.70.0230.06713.93
5.3.60.0230.06013.96
5.3.50.0170.06013.91
5.3.40.0230.06313.97
5.3.30.0330.06013.83
5.3.20.0200.07013.58
5.3.10.0270.05713.73
5.3.00.0270.05013.73
5.2.170.0230.05011.13
5.2.160.0270.03311.14
5.2.150.0130.05011.18
5.2.140.0200.04311.05
5.2.130.0200.04711.02
5.2.120.0170.04711.10
5.2.110.0230.04711.11
5.2.100.0170.04011.05
5.2.90.0200.05011.06
5.2.80.0200.05711.04
5.2.70.0130.05011.07
5.2.60.0170.04010.98
5.2.50.0230.05311.05
5.2.40.0100.04311.04
5.2.30.0230.04711.10
5.2.20.0170.03711.00
5.2.10.0200.03710.83
5.2.00.0130.05710.70
5.1.60.0170.04010.00
5.1.50.0130.03710.01
5.1.40.0170.03010.09
5.1.30.0070.04310.34
5.1.20.0100.04010.40
5.1.10.0100.04710.08
5.1.00.0170.03310.18
5.0.50.0170.0238.66
5.0.40.0070.0308.47
5.0.30.0070.0578.25
5.0.20.0100.0278.21
5.0.10.0070.0408.29
5.0.00.0170.0478.17
4.4.90.0100.0205.90
4.4.80.0170.0205.89
4.4.70.0070.0235.85
4.4.60.0100.0205.95
4.4.50.0030.0275.88
4.4.40.0070.0405.82
4.4.30.0030.0235.85
4.4.20.0070.0235.93
4.4.10.0070.0235.98
4.4.00.0130.0305.89
4.3.110.0070.0235.82
4.3.100.0030.0235.82
4.3.90.0070.0305.87
4.3.80.0100.0375.86
4.3.70.0030.0235.78
4.3.60.0070.0235.77
4.3.50.0070.0205.79
4.3.40.0000.0475.77
4.3.30.0030.0234.59
4.3.20.0070.0204.52
4.3.10.0030.0274.47
4.3.00.0000.0236.92

preferences:
53.04 ms | 401 KiB | 5 Q