3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(array('_' => 'foo'));

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)
8.3.60.0070.00718.05
8.3.50.0100.00821.90
8.3.40.0070.00718.54
8.3.30.0180.00019.14
8.3.20.0040.00420.21
8.3.10.0040.00423.61
8.3.00.0080.00019.14
8.2.180.0150.00316.34
8.2.170.0090.00622.96
8.2.160.0060.00620.35
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0150.00426.16
8.2.120.0040.00420.91
8.2.110.0000.01122.01
8.2.100.0080.00619.51
8.2.90.0050.00317.90
8.2.80.0040.00420.48
8.2.70.0080.00017.90
8.2.60.0000.00819.76
8.2.50.0000.01418.10
8.2.40.0040.00420.42
8.2.30.0070.00018.11
8.2.20.0000.00817.52
8.2.10.0080.00017.98
8.2.00.0040.00417.50
8.1.280.0070.00725.92
8.1.270.0030.00623.70
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00423.92
8.1.230.0000.01221.05
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00817.22
8.1.190.0080.00017.27
8.1.180.0040.00418.10
8.1.170.0030.00618.50
8.1.160.0030.00322.04
8.1.150.0070.00018.50
8.1.140.0040.00417.36
8.1.130.0030.00517.70
8.1.120.0000.00717.31
8.1.110.0050.00217.32
8.1.100.0070.00017.23
8.1.90.0000.00717.34
8.1.80.0040.00417.34
8.1.70.0040.00417.32
8.1.60.0050.00217.33
8.1.50.0000.00817.38
8.1.40.0040.00417.38
8.1.30.0040.00417.48
8.1.20.0000.00817.49
8.1.10.0000.00817.48
8.1.00.0000.00817.38
8.0.300.0000.00720.09
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0000.00717.18
8.0.260.0000.00617.17
8.0.250.0000.00616.88
8.0.240.0030.00316.87
8.0.230.0030.00316.66
8.0.220.0000.00716.80
8.0.210.0000.00716.79
8.0.200.0030.00316.80
8.0.190.0030.00616.89
8.0.180.0000.00716.68
8.0.170.0030.00616.70
8.0.160.0030.00516.68
8.0.150.0070.00016.63
8.0.140.0030.00316.64
8.0.130.0000.00613.15
8.0.120.0080.00016.57
8.0.110.0000.00716.74
8.0.100.0040.00416.70
8.0.90.0070.00016.66
8.0.80.0030.01216.69
8.0.70.0040.00416.81
8.0.60.0000.00716.86
8.0.50.0040.00416.63
8.0.30.0060.01216.83
8.0.20.0130.00517.40
8.0.10.0000.00716.70
8.0.00.0080.01116.54
7.4.330.0030.00315.00
7.4.320.0030.00316.45
7.4.300.0060.00016.37
7.4.290.0030.00416.31
7.4.280.0000.00716.46
7.4.270.0030.00316.41
7.4.260.0070.00016.21
7.4.250.0070.00016.33
7.4.240.0040.00416.44
7.4.230.0070.00016.29
7.4.220.0120.00616.39
7.4.210.0120.00416.43
7.4.200.0000.00716.41
7.4.160.0130.01016.34
7.4.150.0090.00917.40
7.4.140.0080.01217.86
7.4.130.0080.01116.28
7.4.120.0100.00916.36
7.4.110.0100.00716.31
7.4.100.0090.00916.31
7.4.90.0170.00016.56
7.4.80.0100.01519.39
7.4.70.0060.01616.37
7.4.60.0100.00716.41
7.4.50.0000.00716.08
7.4.40.0060.01216.49
7.4.30.0090.00616.56
7.4.00.0070.00914.91
7.3.330.0050.00013.04
7.3.320.0000.00513.02
7.3.310.0030.00316.20
7.3.300.0030.00316.03
7.3.290.0030.01116.08
7.3.280.0090.00816.12
7.3.270.0090.00917.40
7.3.260.0090.00916.39
7.3.250.0100.00916.24
7.3.240.0110.00716.17
7.3.230.0110.00716.39
7.3.210.0060.01216.29
7.3.200.0130.00619.39
7.3.190.0170.00016.29
7.3.180.0110.00416.18
7.3.170.0100.00616.27
7.3.160.0080.00816.34
7.3.120.0070.00914.66
7.3.110.0070.01014.82
7.3.100.0040.01114.64
7.3.90.0000.01014.69
7.3.80.0040.01114.88
7.3.70.0000.01014.82
7.3.60.0100.00314.70
7.3.50.0030.01014.71
7.3.40.0000.01014.77
7.3.30.0040.00414.81
7.3.20.0080.00316.50
7.3.10.0000.01416.57
7.3.00.0070.00716.36
7.2.330.0070.01516.39
7.2.320.0090.00916.30
7.2.310.0120.00916.58
7.2.300.0060.01216.48
7.2.290.0120.00616.37
7.2.250.0000.01515.02
7.2.240.0030.01614.94
7.2.230.0070.01114.70
7.2.220.0070.00714.89
7.2.210.0040.01215.11
7.2.200.0090.00614.73
7.2.190.0080.00814.67
7.2.180.0030.01014.64
7.2.170.0100.00315.04
7.1.330.0070.01015.67
7.1.320.0100.00315.55
7.1.310.0000.01215.84
7.1.300.0070.00415.66
7.1.290.0100.00315.69
7.1.280.0100.00315.48
7.1.270.0030.00615.86
7.1.260.0000.00815.90
7.1.70.0050.00516.70
7.1.60.0100.01419.70
7.1.50.0140.01016.97
7.1.00.0000.08022.28
7.0.200.0000.00716.57
7.0.140.0100.06722.04
7.0.90.0070.07319.92
7.0.80.0030.08320.00
7.0.70.0130.05019.86
7.0.60.0030.08319.98
7.0.50.0030.06720.32
7.0.40.0000.09320.09
7.0.30.0030.07320.14
7.0.20.0030.09020.04
7.0.10.0030.07320.04
7.0.00.0100.04720.02
5.6.280.0000.07721.12
5.6.240.0170.05320.67
5.6.230.0130.07720.62
5.6.220.0270.06320.64
5.6.210.0170.06020.42
5.6.200.0070.05020.95
5.6.190.0100.07721.02
5.6.180.0200.07021.06
5.6.170.0000.09321.05
5.6.160.0100.08020.94
5.6.150.0070.08321.13
5.6.140.0130.07720.98
5.6.130.0030.08321.00
5.6.120.0030.07321.01
5.6.110.0230.07321.06
5.6.100.0030.08321.04
5.6.90.0070.05721.08
5.6.80.0030.04320.38
5.6.70.0030.06020.29
5.6.60.0030.04720.46
5.6.50.0070.08020.49
5.6.40.0100.07320.44
5.6.30.0230.06320.38
5.6.20.0130.07320.36
5.6.10.0130.07720.38
5.6.00.0100.07020.45
5.5.380.0000.06720.44
5.5.370.0100.05720.34
5.5.360.0100.07720.35
5.5.350.0000.05720.41
5.5.340.0100.07720.72
5.5.330.0070.08320.73
5.5.320.0130.07720.80
5.5.310.0170.07320.91
5.5.300.0100.07320.87
5.5.290.0100.05720.89
5.5.280.0070.04320.78
5.5.270.0200.07320.89
5.5.260.0100.05020.71
5.5.250.0100.08020.72
5.5.240.0170.07320.15
5.5.230.0100.07320.23
5.5.220.0170.04720.01
5.5.210.0170.06720.14
5.5.200.0130.04020.21
5.5.190.0130.07320.20
5.5.180.0100.07720.25
5.5.160.0130.04720.14
5.5.150.0100.06319.98
5.5.140.0070.06320.21
5.5.130.0200.07020.25
5.5.120.0130.06320.22
5.5.110.0070.05020.11
5.5.100.0130.07019.94
5.5.90.0170.07019.94
5.5.80.0130.07320.08
5.5.70.0100.05720.16
5.5.60.0030.06719.99
5.5.50.0070.03720.14
5.5.40.0070.03720.07
5.5.30.0030.04320.04
5.5.20.0000.04020.10
5.5.10.0000.04320.08
5.5.00.0070.03720.02
5.4.450.0200.06719.36
5.4.440.0100.07319.45
5.4.430.0030.07719.55
5.4.420.0070.07719.37
5.4.410.0000.08319.18
5.4.400.0230.06318.95
5.4.390.0130.07019.07
5.4.380.0130.06319.09
5.4.370.0030.06018.98
5.4.360.0000.05018.96
5.4.350.0000.08319.18
5.4.340.0070.07719.03
5.4.320.0030.08019.05
5.4.310.0030.05019.06
5.4.300.0070.04718.89
5.4.290.0030.07718.80
5.4.280.0170.06319.05
5.4.270.0030.07019.10
5.4.260.0030.07719.03
5.4.250.0030.08019.06
5.4.240.0100.07719.05
5.4.230.0100.07318.77
5.4.220.0070.07318.80
5.4.210.0070.06319.14
5.4.200.0030.03318.89
5.4.190.0000.08019.05
5.4.180.0070.04719.03
5.4.170.0030.03719.11
5.4.160.0070.03719.09
5.4.150.0030.03718.94
5.4.140.0100.03016.23
5.4.130.0000.04016.31
5.4.120.0000.03716.23
5.4.110.0130.04016.42
5.4.100.0000.04016.48
5.4.90.0030.03716.43
5.4.80.0000.03716.19
5.4.70.0000.03716.24
5.4.60.0030.03016.35
5.4.50.0100.04016.20
5.4.40.0070.07016.29
5.4.30.0070.03316.29
5.4.20.0000.04016.32
5.4.10.0070.03716.22
5.4.00.0030.03315.73
5.3.290.0070.07314.61
5.3.280.0030.08314.56
5.3.270.0030.07314.59
5.3.260.0030.04714.59
5.3.250.0030.04014.56
5.3.240.0000.04014.54
5.3.230.0000.04314.55
5.3.220.0030.03714.55
5.3.210.0070.05714.55
5.3.200.0030.04014.42
5.3.190.0000.04014.54
5.3.180.0100.03014.54
5.3.170.0100.04314.51
5.3.160.0100.03314.49
5.3.150.0100.02714.42
5.3.140.0030.06314.54
5.3.130.0000.04314.40
5.3.120.0000.04014.47
5.3.110.0130.05014.36
5.3.100.0000.04014.00
5.3.90.0070.04013.95
5.3.80.0000.05314.00
5.3.70.0030.05313.99
5.3.60.0070.03313.99
5.3.50.0030.05013.92
5.3.40.0000.04713.70
5.3.30.0000.03313.68
5.3.20.0030.07313.66
5.3.10.0070.04013.66
5.3.00.0030.03013.49
5.2.170.0070.02710.93
5.2.160.0030.02311.17
5.2.150.0000.03011.09
5.2.140.0000.03011.15
5.2.130.0070.02311.06
5.2.120.0000.03311.01
5.2.110.0000.02711.14
5.2.100.0030.02311.01
5.2.90.0030.02711.09
5.2.80.0030.02311.08
5.2.70.0030.03710.88
5.2.60.0000.03311.06
5.2.50.0030.03311.00
5.2.40.0000.02710.99
5.2.30.0100.04011.01
5.2.20.0030.03010.88
5.2.10.0030.06010.88
5.2.00.0030.02710.61
5.1.60.0030.02710.05
5.1.50.0000.0279.98
5.1.40.0030.0279.85
5.1.30.0000.02710.27
5.1.20.0000.05010.25
5.1.10.0000.02710.12
5.1.00.0030.0439.89
5.0.50.0000.0208.63
5.0.40.0030.0208.46
5.0.30.0000.0338.26
5.0.20.0030.0438.25
5.0.10.0000.0478.22
5.0.00.0030.0537.99
4.4.90.0030.0337.78
4.4.80.0030.0137.78
4.4.70.0000.0177.78
4.4.60.0000.0237.78
4.4.50.0030.0137.78
4.4.40.0030.0207.78
4.4.30.0000.0137.78
4.4.20.0000.0177.78
4.4.10.0030.0137.78
4.4.00.0000.0237.78
4.3.110.0030.0277.78
4.3.100.0000.0207.78
4.3.90.0000.0337.78
4.3.80.0030.0337.78
4.3.70.0000.0337.78
4.3.60.0030.0337.78
4.3.50.0070.0237.78
4.3.40.0000.0537.78
4.3.30.0030.0337.78
4.3.20.0000.0407.78
4.3.10.0000.0377.78
4.3.00.0030.0277.78

preferences:
44.56 ms | 401 KiB | 5 Q