3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3,4]; $b = [1,2,3,4, 55 => 5]; unset($b[55]); $a[] = 5; $b[] = 5; var_dump($a, $b); assert($a === $b);

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)
8.5.30.0100.00619.99
8.5.20.0100.00719.80
8.5.10.0130.00519.82
8.5.00.0100.01121.93
8.4.180.0070.01525.85
8.4.170.0140.00723.94
8.4.160.0150.00623.79
8.4.150.0070.00516.95
8.4.140.0160.00517.64
8.4.130.0110.00717.77
8.4.120.0130.00622.38
8.4.110.0130.00422.45
8.4.100.0070.00617.98
8.4.90.0120.00920.36
8.4.80.0090.01018.79
8.4.70.0120.00818.84
8.4.60.0080.00420.56
8.4.50.0050.00418.57
8.4.40.0070.00419.51
8.4.30.0120.00817.57
8.4.20.0130.00720.52
8.4.10.0090.00619.55
8.3.300.0130.00720.78
8.3.290.0150.00822.59
8.3.280.0130.00820.33
8.3.270.0140.00616.63
8.3.260.0080.01116.42
8.3.250.0090.01018.63
8.3.240.0090.00616.69
8.3.230.0070.00816.61
8.3.220.0040.00418.94
8.3.210.0110.00816.92
8.3.200.0060.00316.57
8.3.190.0030.00517.10
8.3.180.0100.00620.84
8.3.170.0070.01116.94
8.3.160.0090.00017.12
8.3.150.0130.00616.64
8.3.140.0060.01218.54
8.3.130.0040.00716.48
8.3.120.0130.00618.70
8.3.110.0150.00320.94
8.3.100.0100.01016.73
8.3.90.0050.00316.56
8.3.80.0000.00918.55
8.3.70.0120.00318.56
8.3.60.0110.00716.63
8.3.50.0150.00322.04
8.3.40.0030.01218.89
8.3.30.0090.00618.72
8.3.20.0040.00419.23
8.3.10.0060.00321.73
8.3.00.0050.00319.79
8.2.300.0120.00918.94
8.2.290.0130.00717.11
8.2.280.0130.00718.41
8.2.270.0070.01116.86
8.2.260.0160.00317.05
8.2.250.0040.01116.53
8.2.240.0150.00018.64
8.2.230.0160.00622.58
8.2.220.0130.00324.06
8.2.210.0070.00726.77
8.2.200.0000.01018.16
8.2.190.0120.00316.60
8.2.180.0110.01116.50
8.2.170.0110.00322.96
8.2.160.0070.00722.12
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00318.62
8.2.110.0030.00719.05
8.2.100.0040.00718.18
8.2.90.0080.00019.22
8.2.80.0050.00317.97
8.2.70.0000.00817.75
8.2.60.0060.00317.93
8.2.50.0050.00318.10
8.2.40.0000.00720.61
8.2.30.0000.00921.10
8.2.20.0030.00518.01
8.2.10.0080.00018.12
8.2.00.0060.00317.62
8.1.340.0120.00619.94
8.1.330.0050.00616.08
8.1.320.0140.00616.06
8.1.310.0110.00716.58
8.1.300.0000.00917.93
8.1.290.0070.00318.88
8.1.280.0120.00325.92
8.1.270.0040.00423.83
8.1.260.0000.00726.35
8.1.250.0060.00928.09
8.1.240.0030.00720.81
8.1.230.0040.00720.98
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0000.01017.35
8.1.190.0000.00817.23
8.1.180.0000.00918.10
8.1.170.0040.00418.47
8.1.160.0040.00422.16
8.1.150.0060.00320.57
8.1.140.0070.00019.45
8.1.130.0000.00719.00
8.1.120.0050.00317.43
8.1.110.0060.00317.40
8.1.100.0030.00317.38
8.1.90.0050.00317.35
8.1.80.0000.00817.40
8.1.70.0000.00717.32
8.1.60.0040.00417.56
8.1.50.0000.00817.38
8.1.40.0040.00417.55
8.1.30.0000.00917.72
8.1.20.0030.00617.60
8.1.10.0040.00417.55
8.1.00.0000.00717.39
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0070.00018.44
8.0.270.0000.00817.11
8.0.260.0060.00017.09
8.0.250.0070.00016.90
8.0.240.0000.00616.94
8.0.230.0070.00016.97
8.0.220.0070.00016.86
8.0.210.0030.00316.96
8.0.200.0030.00316.84
8.0.190.0040.00416.84
8.0.180.0000.00716.95
8.0.170.0080.00016.92
8.0.160.0040.00416.87
8.0.150.0050.00216.79
8.0.140.0030.00316.74
8.0.130.0030.00313.36
8.0.120.0000.00716.77
8.0.110.0000.00716.92
8.0.100.0070.00016.84
8.0.90.0050.00216.73
8.0.80.0030.01216.89
8.0.70.0050.00316.77
8.0.60.0030.00516.96
8.0.50.0040.00416.82
8.0.30.0120.01017.08
8.0.20.0090.01117.40
8.0.10.0080.00016.88
8.0.00.0070.01016.64
7.4.330.0030.00315.55
7.4.320.0070.00016.46
7.4.300.0030.00316.57
7.4.290.0030.00616.45
7.4.280.0040.00416.63
7.4.270.0000.00616.61
7.4.260.0080.00016.61
7.4.250.0030.00316.57
7.4.240.0070.00016.50
7.4.230.0040.00416.31
7.4.220.0060.01416.49
7.4.210.0070.01116.63
7.4.200.0030.00316.58
7.4.160.0080.01016.56
7.4.150.0110.00617.40
7.4.140.0100.00817.86
7.4.130.0090.00816.61
7.4.120.0110.00816.42
7.4.110.0170.00016.62
7.4.100.0140.01116.64
7.4.90.0100.01016.43
7.4.80.0030.01319.39
7.4.70.0110.00516.62
7.4.60.0060.01016.61
7.4.50.0000.01016.59
7.4.40.0070.01716.54
7.4.30.0070.01416.42
7.4.00.0000.01414.89
7.3.330.0000.00513.28
7.3.320.0000.00513.29
7.3.310.0000.00616.36
7.3.300.0040.00416.25
7.3.290.0030.00316.38
7.3.280.0110.00716.39
7.3.270.0170.00417.40
7.3.260.0130.00816.40
7.3.250.0120.00716.34
7.3.240.0130.00716.37
7.3.230.0040.01216.55
7.3.210.0080.01516.50
7.3.200.0040.01216.53
7.3.190.0110.01116.64
7.3.180.0060.01216.49
7.3.170.0050.01116.59
7.3.160.0040.01816.53
7.2.330.0090.00916.54
7.2.320.0000.01716.23
7.2.310.0100.01316.71
7.2.300.0120.00816.62
7.2.290.0150.00616.73
7.2.60.0000.01616.91
7.2.00.0100.00719.55
7.1.200.0140.01115.16
7.1.100.0640.01016.25
7.1.70.0100.00517.01
7.1.60.0130.00317.26
7.1.50.0130.01334.86
7.1.00.0900.06020.64
7.0.200.0760.00714.59
7.0.140.1030.05720.23
7.0.130.0900.06020.14
7.0.120.1130.06320.29
7.0.110.0900.06320.34
7.0.100.1100.05020.27
7.0.90.1170.08020.38
7.0.80.1300.04720.23
7.0.70.0170.05320.17
7.0.60.0830.06020.25
7.0.50.0100.05720.19
7.0.40.0230.06720.34
7.0.30.1270.05320.29
7.0.20.1170.08020.27
7.0.10.0130.05320.32
7.0.00.0870.06720.32
5.6.290.0030.06320.89
5.6.280.0130.05320.93
5.6.270.0230.04720.78
5.6.260.0100.05721.03
5.6.250.0230.05720.95
5.6.240.0200.05320.98
5.6.230.0200.05021.09
5.6.220.0030.06020.89
5.6.210.0200.04720.96
5.6.200.0100.05721.05
5.6.190.0170.05321.02
5.6.180.0170.05321.01
5.6.170.0070.06021.07
5.6.160.0100.06321.04
5.6.150.0070.06020.91
5.6.140.0070.06021.04
5.6.130.0170.05320.80
5.6.120.0100.06021.02
5.6.110.0130.06020.84
5.6.100.0170.05720.86
5.6.90.0200.05021.02
5.6.80.0200.05020.11
5.6.70.0100.08020.38
5.6.60.0200.07020.39
5.6.50.0130.07320.37
5.6.40.0100.06020.09
5.6.30.0230.05020.20
5.6.20.0100.06020.42
5.6.10.0030.06320.09
5.6.00.0130.06020.15

preferences:
105.84 ms | 1616 KiB | 5 Q