3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a, $b) = ['a' => 'a_test', 'b' => 'b_test'];

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)
8.3.60.0130.00418.26
8.3.50.0070.01121.14
8.3.40.0110.00718.76
8.3.30.0150.00418.92
8.3.20.0070.01020.21
8.3.10.0070.00022.10
8.3.00.0060.00322.44
8.2.180.0060.01516.75
8.2.170.0090.01222.96
8.2.160.0070.00719.04
8.2.150.0030.00524.18
8.2.140.0060.00324.66
8.2.130.0140.00326.16
8.2.120.0050.00319.66
8.2.110.0070.00320.48
8.2.100.0120.00019.70
8.2.90.0080.00018.24
8.2.80.0080.00018.03
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0050.00518.07
8.2.40.0060.00618.02
8.2.30.0050.00317.92
8.2.20.0000.00717.69
8.2.10.0050.00317.72
8.2.00.0000.00817.64
8.1.280.0150.00625.92
8.1.270.0040.00420.40
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00422.14
8.1.230.0070.00420.84
8.1.220.0040.00417.74
8.1.210.0000.00818.81
8.1.200.0060.00317.22
8.1.190.0000.00917.18
8.1.180.0060.00318.36
8.1.170.0000.00718.50
8.1.160.0050.00322.08
8.1.150.0040.00418.57
8.1.140.0000.00717.43
8.1.130.0000.00717.84
8.1.120.0000.00717.28
8.1.110.0040.00417.29
8.1.100.0050.00217.38
8.1.90.0030.00417.33
8.1.80.0070.00017.39
8.1.70.0050.00217.34
8.1.60.0000.00917.40
8.1.50.0000.00817.44
8.1.40.0070.00017.33
8.1.30.0080.00017.58
8.1.20.0000.00917.55
8.1.10.0000.00817.47
8.1.00.0000.00717.43
8.0.300.0000.00820.06
8.0.290.0000.00717.02
8.0.280.0000.00818.36
8.0.270.0040.00417.18
8.0.260.0070.00016.70
8.0.250.0000.00716.82
8.0.240.0040.00716.95
8.0.230.0030.00316.87
8.0.220.0040.00416.90
8.0.210.0000.00716.88
8.0.200.0040.00416.86
8.0.190.0080.00016.97
8.0.180.0030.00316.92
8.0.170.0080.00016.76
8.0.160.0040.00416.90
8.0.150.0060.00316.89
8.0.140.0040.00416.89
8.0.130.0030.00313.30
8.0.120.0020.00516.84
8.0.110.0040.00416.90
8.0.100.0030.00316.87
8.0.90.0000.00716.88
8.0.80.0030.01216.85
8.0.70.0040.00416.88
8.0.60.0050.00216.88
8.0.50.0040.00416.76
8.0.30.0150.00516.96
8.0.20.0070.01217.40
8.0.10.0000.00716.87
8.0.00.0100.01216.72
7.4.330.0020.00215.00
7.4.320.0000.00716.47
7.4.300.0030.00316.56
7.4.290.0110.00016.51
7.4.280.0060.00016.46
7.4.270.0000.00716.43
7.4.260.0030.00316.27
7.4.250.0040.00416.48
7.4.240.0050.00216.46
7.4.230.0060.00016.48
7.4.220.0100.01616.59
7.4.210.0040.01316.48
7.4.200.0020.00516.42
7.4.190.0050.00316.39
7.4.160.0070.00716.36
7.4.150.0070.01117.40
7.4.140.0130.00917.86
7.4.130.0060.01416.42
7.4.120.0100.01016.37
7.4.110.0070.01016.66
7.4.100.0080.01516.62
7.4.90.0170.00716.53
7.4.80.0110.00619.39
7.4.70.0210.00716.24
7.4.60.0070.01016.55
7.4.50.0000.00416.32
7.4.40.0070.00722.77
7.4.30.0060.00916.36
7.4.00.0070.00714.96
7.3.330.0050.00013.00
7.3.320.0000.00713.11
7.3.310.0000.00716.21
7.3.300.0030.00316.29
7.3.290.0120.00616.20
7.3.280.0160.00416.27
7.3.270.0030.01417.40
7.3.260.0120.00616.18
7.3.250.0090.00816.46
7.3.240.0070.01016.49
7.3.230.0070.01316.41
7.3.210.0120.00816.26
7.3.200.0090.00919.39
7.3.190.0100.00716.24
7.3.180.0100.00716.21
7.3.170.0080.00816.27
7.3.160.0070.01016.36
7.3.120.0100.00314.79
7.2.330.0030.01316.31
7.2.320.0140.00316.57
7.2.310.0130.00316.58
7.2.300.0150.00616.41
7.2.290.0070.01116.30
7.2.60.0090.00316.87
7.2.00.0030.00919.46
7.1.200.0090.00315.55
7.1.100.0000.01117.71
7.1.70.0000.01016.74
7.1.60.0060.01919.82
7.1.50.0090.01216.83
7.1.00.0070.05022.33
7.0.200.0030.00616.69
7.0.140.0030.07022.12
7.0.60.0070.08020.06
7.0.50.0000.05017.82
7.0.40.0070.07720.41
7.0.30.0330.08320.29
7.0.20.0270.05320.21
7.0.10.0070.09320.12
7.0.00.0030.05019.99
5.6.280.0030.07321.07
5.6.210.0170.07020.50
5.6.200.0100.04318.18
5.6.190.0100.04020.49
5.6.180.0400.06720.61
5.6.170.0300.04020.52
5.6.160.0070.08320.49
5.6.150.0230.06718.22
5.6.140.0030.05018.21
5.6.130.0000.06718.07
5.6.120.0000.04321.00
5.6.110.0130.08020.96
5.6.100.0100.08721.10
5.6.90.0100.05720.89
5.6.80.0070.03720.36
5.5.350.0170.08720.41
5.5.340.0070.03717.88
5.5.330.0100.08020.36
5.5.320.0300.05320.51
5.5.310.0470.06720.21
5.5.300.0100.07318.02
5.5.290.0100.05317.99
5.5.280.0000.04320.86
5.5.270.0070.04020.74
5.5.260.0070.04020.83
5.5.250.0100.07720.57
5.5.240.0000.07720.17
5.4.450.0700.05319.13
5.4.440.0570.06019.59
5.4.430.0170.06719.62
5.4.420.0130.05319.51
5.4.410.0170.04718.94
5.4.400.0230.04318.75
5.4.390.0070.05318.63
5.4.380.0100.05318.50
5.4.370.0070.05718.56
5.4.360.0170.04718.60
5.4.350.0370.06018.49
5.4.340.0330.04318.48
5.4.320.0100.03212.45
5.4.310.0060.04112.45
5.4.300.0050.03812.45
5.4.290.0090.03412.45
5.4.280.0050.03812.35
5.4.270.0040.03712.35
5.4.260.0070.04812.35
5.4.250.0100.04718.99
5.4.240.0030.05718.89
5.4.230.0170.05318.64
5.4.220.0100.05318.87
5.4.210.0100.04718.87
5.4.200.0130.04318.93
5.4.190.0130.04718.73
5.4.180.0130.04718.89
5.4.170.0130.04719.02
5.4.160.0130.04318.75
5.4.150.0130.05018.75
5.4.140.0100.05016.42
5.4.130.0070.04716.26
5.4.120.0070.05316.34
5.4.110.0030.05316.20
5.4.100.0100.04716.25
5.4.90.0100.04316.35
5.4.80.0100.04716.23
5.4.70.0030.05016.48
5.4.60.0130.06016.28
5.4.50.0030.05316.47
5.4.40.0070.04716.43
5.4.30.0070.04716.38
5.4.20.0170.03716.38
5.4.10.0130.04316.17
5.4.00.0100.04315.83
5.3.290.0060.04212.80
5.3.280.0100.04714.60
5.3.270.0100.05314.61
5.3.260.0100.04714.52
5.3.250.0030.05714.47
5.3.240.0070.05014.48
5.3.230.0100.04714.30
5.3.220.0030.05314.44
5.3.210.0130.04714.44
5.3.200.0070.05014.66
5.3.190.0070.05014.34
5.3.180.0030.07314.59
5.3.170.0030.05014.45
5.3.160.0070.05014.59
5.3.150.0030.05014.59
5.3.140.0030.05314.55
5.3.130.0130.04714.55
5.3.120.0130.04714.40
5.3.110.0000.06014.56
5.3.100.0100.04713.88
5.3.90.0130.04314.06
5.3.80.0000.05313.79
5.3.70.0130.04314.07
5.3.60.0030.05013.78
5.3.50.0070.04714.10
5.3.40.0100.04713.72
5.3.30.0100.04313.61
5.3.20.0130.04013.53
5.3.10.0000.05313.65
5.3.00.0070.04713.48
5.2.170.0000.04311.09
5.2.160.0070.03711.13
5.2.150.0000.04311.03
5.2.140.0030.04311.04
5.2.130.0000.04311.01
5.2.120.0030.04011.01
5.2.110.0130.03311.10
5.2.100.0130.04311.06
5.2.90.0100.03711.01
5.2.80.0030.04311.02
5.2.70.0000.04311.10
5.2.60.0130.03311.07
5.2.50.0000.04311.05
5.2.40.0030.04011.15
5.2.30.0000.04310.96
5.2.20.0030.04010.96
5.2.10.0100.03710.69
5.2.00.0100.05010.72
5.1.60.0030.03710.19
5.1.50.0000.03710.09
5.1.40.0070.03010.04
5.1.30.0070.03310.39
5.1.20.0100.03010.57
5.1.10.0070.03010.25
5.1.00.0030.03310.00
5.0.50.0000.0308.50
5.0.40.0070.0238.28
5.0.30.0070.0378.31
5.0.20.0000.0278.02
5.0.10.0100.0208.08
5.0.00.0030.0408.24
4.4.90.0000.0237.32
4.4.80.0000.0237.32
4.4.70.0000.0337.32
4.4.60.0030.0207.32
4.4.50.0000.0237.32
4.4.40.0070.0307.32
4.4.30.0000.0237.32
4.4.20.0000.0237.32
4.4.10.0030.0207.32
4.4.00.0000.0377.32
4.3.110.0000.0237.32
4.3.100.0000.0307.32
4.3.90.0030.0207.32
4.3.80.0070.0277.32
4.3.70.0030.0177.32
4.3.60.0000.0237.32
4.3.50.0000.0237.32
4.3.40.0000.0337.32
4.3.30.0000.0237.32
4.3.20.0000.0237.32
4.3.10.0070.0177.32
4.3.00.0100.0206.76

preferences:
38.64 ms | 401 KiB | 5 Q