3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = ['foo', 'bar']; $a2 = $a1; $a2[] = 'baz'; var_dump($a1, $a2); var_dump($a1 === $a2);

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)
8.3.60.0030.01018.43
8.3.50.0100.01222.03
8.3.40.0120.00618.89
8.3.30.0130.00718.92
8.3.20.0040.00420.21
8.3.10.0040.00420.35
8.3.00.0090.00019.38
8.2.180.0110.00716.50
8.2.170.0150.00322.96
8.2.160.0120.00320.40
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00022.21
8.2.110.0060.00322.32
8.2.100.0030.00917.91
8.2.90.0060.00319.22
8.2.80.0030.00617.97
8.2.70.0060.00317.38
8.2.60.0000.00818.04
8.2.50.0030.00618.07
8.2.40.0070.00318.00
8.2.30.0030.00518.05
8.2.20.0040.00417.61
8.2.10.0000.00718.10
8.2.00.0030.00617.58
8.1.280.0090.00925.92
8.1.270.0000.00822.18
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00323.98
8.1.230.0130.00019.10
8.1.220.0000.00817.76
8.1.210.0050.00318.77
8.1.200.0030.01017.23
8.1.190.0080.00017.00
8.1.180.0000.00819.31
8.1.170.0040.00418.43
8.1.160.0040.00421.84
8.1.150.0000.00818.73
8.1.140.0060.00317.34
8.1.130.0040.00417.82
8.1.120.0000.00717.29
8.1.110.0040.00417.40
8.1.100.0030.00517.26
8.1.90.0050.00317.25
8.1.80.0000.00717.44
8.1.70.0040.00417.33
8.1.60.0040.00417.36
8.1.50.0000.00917.33
8.1.40.0000.00717.40
8.1.30.0040.00417.53
8.1.20.0040.00417.60
8.1.10.0030.00517.48
8.1.00.0040.00417.41
8.0.300.0040.00418.93
8.0.290.0070.00016.63
8.0.280.0030.00318.24
8.0.270.0000.00817.11
8.0.260.0000.00617.09
8.0.250.0040.00416.77
8.0.240.0000.00716.83
8.0.230.0000.00816.89
8.0.220.0000.00716.76
8.0.210.0070.00016.72
8.0.200.0030.00316.84
8.0.190.0050.00216.85
8.0.180.0040.00416.80
8.0.170.0080.00016.73
8.0.160.0000.00716.71
8.0.150.0030.00316.72
8.0.140.0040.00416.71
8.0.130.0030.00313.28
8.0.120.0040.00416.81
8.0.110.0070.00016.84
8.0.100.0040.00416.64
8.0.90.0040.00416.64
8.0.80.0080.00816.79
8.0.70.0000.00816.80
8.0.60.0080.00016.64
8.0.50.0000.00816.74
8.0.30.0110.00817.01
8.0.20.0140.00817.40
8.0.10.0000.00716.85
8.0.00.0120.00816.58
7.4.330.0020.00215.00
7.4.320.0000.00616.49
7.4.300.0030.00316.57
7.4.290.0050.00316.35
7.4.280.0000.00816.46
7.4.270.0000.00716.55
7.4.260.0070.00016.37
7.4.250.0000.00716.36
7.4.240.0030.00416.55
7.4.230.0040.00416.65
7.4.220.0140.00316.53
7.4.210.0090.00616.70
7.4.200.0040.00416.66
7.4.160.0200.00316.59
7.4.150.0140.00717.40
7.4.140.0100.00817.86
7.4.130.0090.00916.47
7.4.120.0080.00916.35
7.4.110.0130.00616.46
7.4.100.0120.00916.61
7.4.90.0070.01116.44
7.4.80.0060.01319.39
7.4.70.0080.00816.45
7.4.60.0130.00816.44
7.4.50.0050.00216.40
7.4.40.0080.00816.34
7.4.30.0060.01216.61
7.4.00.0070.01015.19
7.3.330.0030.00313.01
7.3.320.0000.00513.17
7.3.310.0070.00016.28
7.3.300.0030.00316.26
7.3.290.0060.00816.28
7.3.280.0100.00816.32
7.3.270.0110.00717.40
7.3.260.0110.00716.48
7.3.250.0120.00516.33
7.3.240.0070.01016.36
7.3.230.0130.00316.41
7.3.210.0080.00816.29
7.3.200.0130.00619.39
7.3.190.0030.01816.54
7.3.180.0060.01216.54
7.3.170.0130.00416.42
7.3.160.0090.00616.18
7.2.330.0150.00316.49
7.2.320.0150.00416.43
7.2.310.0050.01116.63
7.2.300.0140.00316.70
7.2.290.0090.01316.68
7.2.00.0000.01619.29
7.1.100.0090.00618.00
7.1.70.0000.00717.19
7.1.60.0130.01019.32
7.1.50.0000.02316.86
7.1.00.0030.07322.24
7.0.200.0040.00416.63
7.0.140.0030.07322.00
7.0.60.0000.07319.96
7.0.50.0070.07017.83
7.0.40.0130.07720.30
7.0.30.0630.06020.04
7.0.20.0270.06020.12
7.0.10.0170.04320.01
7.0.00.0070.08320.29
5.6.280.0030.07321.07
5.6.210.0100.03320.48
5.6.200.0100.04318.13
5.6.190.0070.04720.27
5.6.180.3900.03720.65
5.6.170.0270.07320.63
5.6.160.0100.05720.37
5.6.150.0070.06718.11
5.6.140.0100.07718.20
5.6.130.0030.08718.12
5.6.120.0100.06321.01
5.6.110.0070.04021.00
5.6.100.0130.07720.88
5.6.90.0030.09021.07
5.6.80.0100.04020.39
5.6.70.4570.04020.39
5.5.350.0200.07720.48
5.5.340.0070.07017.93
5.5.330.0070.05720.15
5.5.320.0230.04320.11
5.5.310.0270.04320.50
5.5.300.0270.03317.88
5.5.290.0100.06717.90
5.5.280.0030.04020.85
5.5.270.0100.04320.92
5.5.260.0130.06720.66
5.5.250.0070.07320.60
5.5.240.0070.04320.36
5.4.450.0330.04719.57
5.4.440.0500.06319.37
5.4.430.0570.06319.41
5.4.420.0700.00019.46
5.4.410.0670.00019.52
5.4.400.0870.00019.00
5.4.390.0730.00019.07
5.4.380.0630.00019.05
5.4.370.0630.00019.16
5.4.360.0630.00019.18
5.4.350.0630.00019.13
5.4.340.0830.00019.05
5.4.320.0060.04112.45
5.4.310.0080.03712.45
5.4.300.0100.03312.45
5.4.290.0090.03512.45
5.4.280.0110.04312.34
5.4.270.0110.03912.34
5.4.260.0120.03812.35
5.4.250.0100.03412.34
5.4.240.0090.03312.35
5.4.230.0060.04412.34
5.4.220.0150.03512.34
5.4.210.0050.04612.34
5.4.200.0050.04112.34
5.4.190.0060.03812.33
5.4.180.0050.04112.34
5.4.170.0060.03712.34
5.4.160.0060.03712.34
5.4.150.0070.03512.34
5.4.140.0070.04212.02
5.4.130.0060.03712.01
5.4.120.0070.03411.97
5.4.110.0040.03611.96
5.4.100.0050.03911.96
5.4.90.0090.03811.96
5.4.80.0080.03411.96
5.4.70.0120.03511.96
5.4.60.0070.03711.96
5.4.50.0080.03611.96
5.4.40.0110.03611.95
5.4.30.0100.03211.94
5.4.20.0060.04211.95
5.4.10.0070.03411.94
5.4.00.0130.03911.43
5.3.290.0080.04212.80
5.3.280.0090.03712.71
5.3.270.0090.03612.72
5.3.260.0040.04412.72
5.3.250.0080.04012.72
5.3.240.0040.04212.72
5.3.230.0110.04212.71
5.3.220.0040.04312.68
5.3.210.0060.03912.68
5.3.200.0060.03612.68
5.3.190.0060.05212.67
5.3.180.0080.03812.67
5.3.170.0090.03912.67
5.3.160.0080.03512.68
5.3.150.0080.03512.68
5.3.140.0060.03712.66
5.3.130.0080.03712.66
5.3.120.0070.03912.66
5.3.110.0140.03612.66
5.3.100.0080.03612.12
5.3.90.0120.03412.08
5.3.80.0040.04312.08
5.3.70.0030.03912.07
5.3.60.0080.03512.06
5.3.50.0080.03812.00
5.3.40.0100.04312.00
5.3.30.0130.02911.95
5.3.20.0090.03311.72
5.3.10.0070.03311.70
5.3.00.0080.03711.68
5.2.170.0070.0279.18
5.2.160.0040.0299.18
5.2.150.0080.0289.18
5.2.140.0080.0319.18
5.2.130.0090.0359.13
5.2.120.0070.0309.14
5.2.110.0060.0299.14
5.2.100.0040.0339.14
5.2.90.0050.0299.14
5.2.80.0090.0309.14
5.2.70.0020.0339.14
5.2.60.0090.0259.09
5.2.50.0070.0349.05
5.2.40.0070.0299.04
5.2.30.0040.0319.01
5.2.20.0070.0269.00
5.2.10.0040.0318.92
5.2.00.0080.0408.78
5.1.60.0060.0228.06
5.1.50.0050.0308.06
5.1.40.0050.0298.05
5.1.30.0000.0318.40
5.1.20.0050.0288.42
5.1.10.0060.0348.14
5.1.00.0020.0338.14
5.0.50.0020.0276.62
5.0.40.0040.0226.47
5.0.30.0060.0336.29
5.0.20.0060.0196.27
5.0.10.0030.0206.24
5.0.00.0090.0266.23
4.4.90.0040.0184.78
4.4.80.0060.0204.75
4.4.70.0040.0154.75
4.4.60.0050.0144.75
4.4.50.0030.0144.77
4.4.40.0040.0244.71
4.4.30.0030.0194.76
4.4.20.0070.0154.84
4.4.10.0010.0224.85
4.4.00.0040.0234.76
4.3.110.0040.0164.67
4.3.100.0040.0164.66
4.3.90.0040.0164.64
4.3.80.0070.0234.58
4.3.70.0070.0154.63
4.3.60.0030.0144.62
4.3.50.0030.0154.63
4.3.40.0030.0244.54
4.3.30.0030.0153.28
4.3.20.0010.0173.26
4.3.10.0020.0213.22
4.3.00.0100.01713.59

preferences:
48.9 ms | 401 KiB | 5 Q