3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('A' => 1, 'B' => 0, 'B1' => 1); echo serialize($a); var_export($a);

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)
8.3.70.0110.00716.58
8.3.60.0100.00316.50
8.3.50.0120.00822.79
8.3.40.0080.00818.75
8.3.30.0080.00519.08
8.3.20.0000.00720.29
8.3.10.0030.00523.73
8.3.00.0030.00619.13
8.2.180.0060.00916.63
8.2.170.0120.00322.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00721.02
8.2.110.0100.00720.53
8.2.100.0060.00617.78
8.2.90.0000.00819.22
8.2.80.0080.00017.97
8.2.70.0070.00317.50
8.2.60.0000.00817.92
8.2.50.0030.00618.07
8.2.40.0080.00018.22
8.2.30.0040.00418.06
8.2.20.0040.00417.69
8.2.10.0000.00818.05
8.2.00.0080.00017.68
8.1.280.0060.00925.92
8.1.270.0040.00423.92
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0100.01023.99
8.1.230.0070.00417.42
8.1.220.0030.00617.74
8.1.210.0000.00918.77
8.1.200.0060.00317.10
8.1.190.0030.00517.23
8.1.180.0000.00818.82
8.1.170.0050.00318.55
8.1.160.0060.00321.99
8.1.150.0070.00018.77
8.1.140.0030.00517.25
8.1.130.0080.00017.86
8.1.120.0050.00217.30
8.1.110.0000.00717.41
8.1.100.0000.00717.40
8.1.90.0040.00417.39
8.1.80.0070.00017.39
8.1.70.0030.00317.31
8.1.60.0000.01017.52
8.1.50.0040.00417.43
8.1.40.0030.00617.33
8.1.30.0030.00617.48
8.1.20.0040.00417.47
8.1.10.0060.00317.46
8.1.00.0000.00917.34
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0070.00018.39
8.0.270.0040.00417.25
8.0.260.0000.00717.25
8.0.250.0070.00016.95
8.0.240.0020.00517.00
8.0.230.0030.00316.86
8.0.220.0000.00716.81
8.0.210.0070.00016.80
8.0.200.0000.00716.89
8.0.190.0080.00016.92
8.0.180.0070.00016.77
8.0.170.0000.00816.85
8.0.160.0000.00716.81
8.0.150.0080.00016.82
8.0.140.0000.00716.82
8.0.130.0030.00313.29
8.0.120.0080.00016.88
8.0.110.0050.00316.85
8.0.100.0040.00416.77
8.0.90.0040.00416.89
8.0.80.0100.00616.79
8.0.70.0070.00016.86
8.0.60.0040.00416.72
8.0.50.0040.00416.77
8.0.30.0100.00817.07
8.0.20.0130.00717.40
8.0.10.0040.00416.75
8.0.00.0150.00516.68
7.4.330.0040.00415.04
7.4.320.0030.00316.53
7.4.300.0000.00716.54
7.4.290.0000.00716.51
7.4.280.0050.00316.33
7.4.270.0030.00316.54
7.4.260.0060.00316.46
7.4.250.0000.00816.38
7.4.240.0000.00716.42
7.4.230.0070.00016.61
7.4.220.0070.01116.60
7.4.210.0050.01116.59
7.4.200.0070.00016.25
7.4.160.0100.00716.27
7.4.150.0150.00317.40
7.4.140.0070.01517.86
7.4.130.0070.01116.46
7.4.120.0070.01016.40
7.4.110.0090.00816.55
7.4.100.0120.00916.38
7.4.90.0110.00616.29
7.4.80.0030.01419.39
7.4.70.0130.00416.39
7.4.60.0120.00616.52
7.4.50.0000.00816.48
7.4.40.0090.00616.40
7.4.30.0060.00916.57
7.4.00.0100.00714.97
7.3.330.0040.00413.05
7.3.320.0000.00513.13
7.3.310.0040.00416.07
7.3.300.0030.00316.18
7.3.290.0100.00316.13
7.3.280.0090.00816.14
7.3.270.0110.00617.40
7.3.260.0120.00616.08
7.3.250.0070.01016.35
7.3.240.0030.01316.43
7.3.230.0110.00716.39
7.3.210.0120.00616.38
7.3.200.0110.00619.39
7.3.190.0090.00916.31
7.3.180.0060.01016.22
7.3.170.0090.00916.27
7.3.160.0030.01216.26
7.3.120.0000.01814.62
7.3.110.0070.01414.77
7.3.100.0070.00414.78
7.3.90.0120.00614.85
7.3.80.0110.00414.68
7.3.70.0060.00614.57
7.3.60.0060.00614.73
7.3.50.0030.01314.71
7.3.40.0040.01114.86
7.3.30.0000.01414.74
7.3.20.0070.00716.27
7.3.10.0080.00416.51
7.3.00.0070.00716.36
7.2.330.0090.00916.15
7.2.320.0160.00716.28
7.2.310.0090.00616.35
7.2.300.0180.00316.48
7.2.290.0080.00816.34
7.2.250.0070.01014.77
7.2.240.0070.01314.80
7.2.230.0100.01014.59
7.2.220.0100.00714.92
7.2.210.0000.01014.81
7.2.200.0070.00715.08
7.2.190.0040.01114.90
7.2.180.0000.01414.90
7.2.170.0040.00914.93
7.1.330.0060.01215.83
7.1.320.0100.00715.71
7.1.310.0070.00715.70
7.1.300.0070.00715.54
7.1.290.0070.01015.54
7.1.280.0060.00615.68
7.1.270.0000.01515.53
7.1.260.0030.00915.49
7.1.70.0040.00717.07
7.1.60.0120.01219.40
7.1.50.0100.01316.56
7.1.00.0070.07322.44
7.0.200.0030.00616.81
7.0.140.0030.07722.18
7.0.60.0070.08019.93
7.0.50.0100.08017.80
7.0.40.0200.07320.21
7.0.30.0370.07320.21
7.0.20.0300.06320.19
7.0.10.0100.08720.32
7.0.00.0070.09320.13
5.6.280.0070.07021.09
5.6.210.0030.05320.44
5.6.200.0100.07718.12
5.6.190.0100.04720.21
5.6.180.0270.07020.63
5.6.170.0270.05020.52
5.6.160.0100.04020.50
5.6.150.0130.06018.12
5.6.140.0070.08018.16
5.6.130.0070.07318.13
5.6.120.0030.05721.04
5.6.110.0130.07721.02
5.6.100.0170.05720.95
5.6.90.0030.06021.11
5.6.80.0070.06320.52
5.5.350.0300.07320.36
5.5.340.0070.07017.89
5.5.330.0030.07320.23
5.5.320.0270.07320.31
5.5.310.0230.06320.28
5.5.300.0070.07017.99
5.5.290.0070.06317.98
5.5.280.0130.08020.79
5.5.270.0070.08020.83
5.5.260.0100.08320.75
5.5.250.0030.05720.58
5.5.240.0030.04020.15
5.4.450.0870.05719.09
5.4.440.0170.05319.34
5.4.430.0170.05319.49
5.4.420.0130.05719.59
5.4.410.0170.05319.09
5.4.400.0370.07018.62
5.4.390.0370.04318.50
5.4.380.0130.05018.59
5.4.370.0170.04018.61
5.4.360.0130.04318.57
5.4.350.0060.07311.97
5.4.340.0080.03511.96
5.4.320.0080.04312.45
5.4.310.0070.03612.45
5.4.300.0050.03712.45
5.4.290.0080.03412.45
5.4.280.0060.03412.34
5.4.270.0050.03712.34
5.4.260.0020.04212.35
5.4.250.0070.03712.34
5.4.240.0080.03412.35
5.4.230.0060.03912.34
5.4.220.0040.03912.34
5.4.210.0070.03712.34
5.4.200.0090.04912.34
5.4.190.0070.03712.33
5.4.180.0100.03412.34
5.4.170.0050.03612.34
5.4.160.0040.03812.34
5.4.150.0060.03512.34
5.4.140.0060.03712.02
5.4.130.0060.04712.01
5.4.120.0080.03611.97
5.4.110.0080.03211.96
5.4.100.0070.03411.96
5.4.90.0050.03711.96
5.4.80.0050.03711.96
5.4.70.0070.03411.96
5.4.60.0050.03511.96
5.4.50.0060.04011.96
5.4.40.0050.03411.95
5.4.30.0070.03311.95
5.4.20.0020.03811.95
5.4.10.0070.03311.95
5.4.00.0070.04211.43
5.3.290.0080.03912.80
5.3.280.0050.04812.71
5.3.270.0040.04512.72
5.3.260.0050.04012.72
5.3.250.0050.04012.72
5.3.240.0090.03912.72
5.3.230.0050.03812.71
5.3.220.0050.03912.68
5.3.210.0050.04112.68
5.3.200.0090.05112.68
5.3.190.0100.04812.68
5.3.180.0140.04512.68
5.3.170.0110.04612.67
5.3.160.0090.03812.68
5.3.150.0050.04212.67
5.3.140.0070.05312.66
5.3.130.0070.06612.66
5.3.120.0110.05112.66
5.3.110.0060.03812.66
5.3.100.0070.03612.12
5.3.90.0060.05212.09
5.3.80.0130.03212.07
5.3.70.0080.04012.07
5.3.60.0070.03912.06
5.3.50.0050.04212.00
5.3.40.0040.03912.00
5.3.30.0060.03611.95
5.3.20.0050.03511.72
5.3.10.0050.03511.69
5.3.00.0050.03711.67
5.2.170.0040.0309.18
5.2.160.0030.0309.18
5.2.150.0040.0319.18
5.2.140.0050.0309.17
5.2.130.0100.0239.14
5.2.120.0040.0299.13
5.2.110.0050.0309.14
5.2.100.0080.0319.13
5.2.90.0070.0289.14
5.2.80.0050.0299.14
5.2.70.0030.0319.13
5.2.60.0040.0319.08
5.2.50.0060.0299.05
5.2.40.0070.0289.03
5.2.30.0050.0309.01
5.2.20.0060.0279.00
5.2.10.0060.0268.91
5.2.00.0030.0318.77
5.1.60.0040.0248.06
5.1.50.0060.0248.05
5.1.40.0030.0278.04
5.1.30.0030.0278.39
5.1.20.0050.0268.41
5.1.10.0040.0268.13
5.1.00.0060.0258.13
5.0.50.0030.0226.61
5.0.40.0050.0186.47
5.0.30.0020.0326.29
5.0.20.0020.0206.25
5.0.10.0040.0196.23
5.0.00.0020.0326.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0010.0174.76
4.4.60.0050.0134.75
4.4.50.0020.0174.77
4.4.40.0020.0264.71
4.4.30.0040.0144.76
4.4.20.0030.0154.85
4.4.10.0050.0134.85
4.4.00.0040.0254.76
4.3.110.0030.0164.67
4.3.100.0000.0174.67
4.3.90.0040.0144.64
4.3.80.0040.0264.58
4.3.70.0040.0224.63
4.3.60.0050.0194.63
4.3.50.0040.0194.63
4.3.40.0050.0274.54
4.3.30.0040.0143.29
4.3.20.0030.0213.26
4.3.10.0010.0223.21
4.3.00.0000.0237.15

preferences:
52.93 ms | 401 KiB | 5 Q