3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a_very_very_long_variable_name = "short"; $arr = array($a_very_very_long_variable_name => "value"); $$a_very_very_long_variable_name = "key2"; $arr[$$a_very_very_long_variable_name] = "val2";

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)
8.3.60.0070.00716.50
8.3.50.0070.01017.46
8.3.40.0040.01118.79
8.3.30.0030.01018.44
8.3.20.0030.00618.77
8.3.10.0040.00420.52
8.3.00.0050.00319.25
8.2.180.0140.00716.38
8.2.170.0070.00722.96
8.2.160.0070.00719.29
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0030.00719.22
8.2.110.0100.00019.17
8.2.100.0080.00417.91
8.2.90.0040.00422.32
8.2.80.0060.00319.04
8.2.70.0000.00817.50
8.2.60.0000.00818.05
8.2.50.0080.00018.07
8.2.40.0000.00918.22
8.2.30.0000.00818.09
8.2.20.0000.00817.59
8.2.10.0040.00417.67
8.2.00.0060.00617.65
8.1.280.0140.00325.92
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.48
8.1.230.0000.01120.97
8.1.220.0040.00417.74
8.1.210.0040.00418.99
8.1.200.0060.00317.35
8.1.190.0040.00417.51
8.1.180.0000.00818.10
8.1.170.0000.01018.68
8.1.160.0070.00018.80
8.1.150.0070.00018.64
8.1.140.0020.00517.45
8.1.130.0000.00717.82
8.1.120.0000.00717.48
8.1.110.0000.00717.42
8.1.100.0000.00817.53
8.1.90.0000.00717.53
8.1.80.0030.00317.34
8.1.70.0030.00517.31
8.1.60.0070.00017.55
8.1.50.0030.00517.45
8.1.40.0000.00917.47
8.1.30.0000.00817.57
8.1.20.0050.00217.64
8.1.10.0000.00717.46
8.1.00.0050.00317.42
8.0.300.0040.00319.89
8.0.290.0070.00016.75
8.0.280.0000.00718.33
8.0.270.0000.00717.21
8.0.260.0000.00716.83
8.0.250.0040.00416.91
8.0.240.0000.00716.96
8.0.230.0030.00316.93
8.0.220.0000.00616.76
8.0.210.0000.00616.89
8.0.200.0070.00016.90
8.0.190.0040.00416.84
8.0.180.0030.00316.89
8.0.170.0060.00316.81
8.0.160.0050.00316.93
8.0.150.0070.00016.88
8.0.140.0030.00616.86
8.0.130.0030.00313.31
8.0.120.0000.00816.73
8.0.110.0040.00416.84
8.0.100.0040.00416.88
8.0.90.0000.00816.89
8.0.80.0090.00616.93
8.0.70.0000.00816.86
8.0.60.0040.00416.78
8.0.50.0050.00217.00
8.0.30.0150.00317.19
8.0.20.0100.00917.10
8.0.10.0000.00716.89
8.0.00.0080.01116.82
7.4.330.0000.00512.89
7.4.320.0000.00616.43
7.4.300.0050.00216.40
7.4.290.0070.00016.52
7.4.280.0050.00316.43
7.4.270.0060.00016.63
7.4.260.0000.00513.28
7.4.250.0050.00316.48
7.4.240.0000.00816.58
7.4.230.0030.00516.54
7.4.220.0170.00316.44
7.4.210.0100.00416.57
7.4.200.0040.00416.70
7.4.190.0000.00816.40
7.4.160.0000.01516.35
7.4.150.0100.01516.61
7.4.140.0070.01016.48
7.4.130.0100.00616.49
7.4.120.0080.01016.45
7.4.110.0120.00916.41
7.4.100.0090.00916.55
7.4.90.0140.00316.55
7.4.80.0130.00319.39
7.4.70.0100.00716.52
7.4.60.0090.00616.43
7.4.50.0100.00316.64
7.4.40.0070.00716.37
7.4.30.0140.00316.45
7.4.00.0060.00915.10
7.3.330.0030.00313.04
7.3.320.0000.00613.04
7.3.310.0030.00316.21
7.3.300.0060.00016.23
7.3.290.0130.00316.22
7.3.280.0100.00916.18
7.3.270.0090.00916.41
7.3.260.0130.00316.50
7.3.250.0160.00216.22
7.3.240.0060.00916.63
7.3.230.0060.00916.17
7.3.210.0030.01316.17
7.3.200.0130.00316.63
7.3.190.0120.00816.53
7.3.180.0150.00016.39
7.3.170.0070.01416.16
7.3.160.0100.01016.48
7.3.120.0000.01514.63
7.2.330.0040.01316.66
7.2.320.0070.01016.46
7.2.310.0140.00316.62
7.2.300.0110.01116.49
7.2.290.0060.01116.50
7.2.00.0030.00919.17
7.1.100.0060.00617.89
7.1.70.0030.01016.90
7.1.60.0070.01719.40
7.1.50.0040.01816.57
7.1.00.0100.03722.50
7.0.200.0050.00216.70
7.0.140.0030.07321.95
7.0.120.0100.06322.16
7.0.60.0030.07019.93
7.0.50.0070.04717.85
7.0.40.0000.08717.69
7.0.30.0130.07717.68
7.0.20.0000.04317.68
7.0.10.0030.05017.79
7.0.00.0000.04717.74
5.6.280.0000.07721.11
5.6.210.0030.07720.72
5.6.200.0070.04018.17
5.6.190.0030.09018.09
5.6.180.0030.07718.11
5.6.170.0070.06018.18
5.6.160.0030.04718.07
5.6.150.0030.05018.19
5.6.140.0030.04018.18
5.6.130.0030.04018.18
5.6.120.0000.04318.11
5.6.110.0170.02718.18
5.6.100.0070.03718.17
5.6.90.0030.04018.11
5.6.80.0000.04017.51
5.6.70.0130.02717.59
5.6.60.0000.04017.48
5.6.50.0030.03717.60
5.6.40.0030.04317.57
5.6.30.0000.04017.57
5.6.20.0000.05717.46
5.6.10.0030.04717.54
5.6.00.0000.04017.51
5.5.350.0170.08720.43
5.5.340.0000.06018.01
5.5.330.0030.07018.02
5.5.320.0000.07017.93
5.5.310.0000.04318.01
5.5.300.0030.04018.00
5.5.290.0000.04717.91
5.5.280.0070.03717.91
5.5.270.0030.04018.01
5.5.260.0070.03717.94
5.5.250.0000.04317.73
5.5.240.0030.03717.34
5.5.230.0130.02717.30
5.5.220.0000.04017.38
5.5.210.0070.03317.32
5.5.200.0100.03017.37
5.5.190.0100.03017.25
5.5.180.0100.03017.30
5.5.160.0070.07317.29
5.5.150.0070.06717.30
5.5.140.0070.07717.31
5.5.130.0030.04017.29
5.5.120.0030.06017.33
5.5.110.0030.06717.26
5.5.100.0000.04317.20
5.5.90.0000.08717.13
5.5.80.0070.07017.22
5.5.70.0030.04717.25
5.5.60.0070.06017.12
5.5.50.0100.03017.27
5.5.40.0100.03017.16
5.5.30.0100.06717.20
5.5.20.0000.04017.24
5.5.10.0030.06317.27
5.5.00.0030.04017.23
5.4.450.0030.04019.31
5.4.440.0100.03319.27
5.4.430.0070.03319.45
5.4.420.0030.03719.31
5.4.410.0030.03719.26
5.4.400.0070.03319.03
5.4.390.0070.03319.09
5.4.380.0100.03318.89
5.4.370.0030.03718.98
5.4.360.0070.03318.98
5.4.350.0100.03018.82
5.4.340.0030.03719.20
5.4.320.0100.06718.88
5.4.310.0000.08318.98
5.4.300.0070.05019.02
5.4.290.0030.04318.98
5.4.280.0000.04319.06
5.4.270.0030.05319.12
5.4.260.0030.04019.20
5.4.250.0030.03718.96
5.4.240.0030.06319.06
5.4.230.0200.08718.88
5.4.220.0070.04319.00
5.4.210.0100.06318.98
5.4.200.0030.04018.81
5.4.190.0000.04019.08
5.4.180.0130.03019.08
5.4.170.0130.04319.00
5.4.160.0000.08019.01
5.4.150.0100.07718.99
5.4.140.0000.04716.16
5.4.130.0070.03716.28
5.4.120.0100.03316.36
5.4.110.0130.05016.29
5.4.100.0070.03316.28
5.4.90.0000.04316.38
5.4.80.0100.05716.41
5.4.70.0070.05716.50
5.4.60.0070.04316.38
5.4.50.0070.04716.36
5.4.40.0100.05716.40
5.4.30.0130.06316.22
5.4.20.0030.05716.20
5.4.10.0070.06316.25
5.4.00.0100.05315.69
5.3.290.0070.07314.44
5.3.280.0100.06714.58
5.3.270.0070.04014.54
5.3.260.0030.04014.68
5.3.250.0000.05014.52
5.3.240.0070.07014.38
5.3.230.0070.05014.56
5.3.220.0030.07714.42
5.3.210.0070.03714.34
5.3.200.0030.08714.54
5.3.190.0030.04014.39
5.3.180.0030.04714.52
5.3.170.0070.04014.52
5.3.160.0030.06314.47
5.3.150.0000.04314.50
5.3.140.0030.04314.52
5.3.130.0100.05314.44
5.3.120.0030.04714.47
5.3.110.0070.07314.50
5.3.100.0070.07313.95
5.3.90.0000.07013.98
5.3.80.0130.05313.77
5.3.70.0130.07013.95
5.3.60.0030.05013.75
5.3.50.0030.07313.90
5.3.40.0070.07313.74
5.3.30.0100.04313.88
5.3.20.0000.08313.65
5.3.10.0070.05313.60
5.3.00.0030.06313.60
5.2.170.0070.05011.11
5.2.160.0030.06011.13
5.2.150.0030.05011.04
5.2.140.0100.05011.08
5.2.130.0030.06011.06
5.2.120.0030.05711.05
5.2.110.0170.04711.10
5.2.100.0070.04011.09
5.2.90.0030.03010.91
5.2.80.0030.03011.00
5.2.70.0000.06711.12
5.2.60.0070.03710.88
5.2.50.0100.06010.91
5.2.40.0130.04311.02
5.2.30.0070.03710.99
5.2.20.0070.03710.94
5.2.10.0030.03010.84
5.2.00.0030.04310.73
5.1.60.0000.03010.02
5.1.50.0000.0309.96
5.1.40.0070.05010.02
5.1.30.0030.06010.32
5.1.20.0000.05710.38
5.1.10.0030.02710.00
5.1.00.0030.05010.14
5.0.50.0000.0278.45
5.0.40.0000.0408.40
5.0.30.0030.0338.27
5.0.20.0000.0238.21
5.0.10.0030.0408.37
5.0.00.0000.0378.21
4.4.90.0100.0307.87
4.4.80.0030.0177.87
4.4.70.0000.0407.87
4.4.60.0000.0307.87
4.4.50.0000.0207.87
4.4.40.0030.0437.87
4.4.30.0130.0137.87
4.4.20.0000.0237.87
4.4.10.0030.0137.87
4.4.00.0030.0237.87
4.3.110.0030.0337.87
4.3.100.0000.0277.87
4.3.90.0000.0177.87
4.3.80.0000.0307.87
4.3.70.0030.0277.87
4.3.60.0000.0207.87
4.3.50.0030.0177.87
4.3.40.0030.0277.87
4.3.30.0000.0407.87
4.3.20.0000.0207.87
4.3.10.0030.0377.87
4.3.00.0000.0237.87

preferences:
74.37 ms | 400 KiB | 5 Q