3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo jsonencode('aaaa');

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)
8.3.40.0070.00718.80
8.3.30.0100.00320.21
8.3.20.0000.00720.02
8.3.10.0080.00021.88
8.3.00.0040.00422.51
8.2.170.0110.00422.96
8.2.160.0030.01022.09
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00720.68
8.2.110.0070.00319.12
8.2.100.0060.00617.78
8.2.90.0000.00819.21
8.2.80.0100.00017.97
8.2.70.0080.00017.50
8.2.60.0050.00317.93
8.2.50.0000.00818.10
8.2.40.0040.00418.03
8.2.30.0000.00719.30
8.2.20.0000.00717.63
8.2.10.0020.00517.58
8.2.00.0030.00617.70
8.1.270.0070.00023.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.98
8.1.230.0060.00617.70
8.1.220.0000.01017.74
8.1.210.0040.00418.77
8.1.200.0040.00717.22
8.1.190.0040.00417.13
8.1.180.0050.00318.10
8.1.170.0050.00318.53
8.1.160.0030.00618.63
8.1.150.0070.00018.54
8.1.140.0040.00417.36
8.1.130.0050.00317.70
8.1.120.0000.01017.31
8.1.110.0080.00017.31
8.1.100.0030.00517.19
8.1.90.0000.00717.21
8.1.80.0040.00417.30
8.1.70.0000.00717.21
8.1.60.0060.00317.30
8.1.50.0060.00317.33
8.1.40.0060.00617.46
8.1.30.0040.00417.46
8.1.20.0000.00717.57
8.1.10.0000.00817.49
8.1.00.0030.00617.32
8.0.300.0000.00818.77
8.0.290.0080.00016.63
8.0.280.0040.00418.34
8.0.270.0000.00717.09
8.0.260.0030.00316.80
8.0.250.0000.00716.99
8.0.240.0000.00916.82
8.0.230.0000.00716.89
8.0.220.0030.00316.79
8.0.210.0050.00316.77
8.0.200.0050.00216.95
8.0.190.0000.00716.83
8.0.180.0030.00316.93
8.0.170.0070.00016.92
8.0.160.0000.00716.86
8.0.150.0000.00916.86
8.0.140.0030.00616.85
8.0.130.0050.00013.26
8.0.120.0040.00416.83
8.0.110.0000.00716.78
8.0.100.0000.00716.94
8.0.90.0030.00416.88
8.0.80.0120.00316.84
8.0.70.0000.00716.85
8.0.60.0000.00716.77
8.0.50.0000.00716.83
8.0.30.0090.01216.93
8.0.20.0100.01017.40
8.0.10.0000.00716.96
8.0.00.0140.00916.81
7.4.330.0060.00016.70
7.4.320.0030.00316.38
7.4.300.0000.00616.51
7.4.290.0030.00316.39
7.4.280.0030.00316.51
7.4.270.0000.00716.53
7.4.260.0030.00313.21
7.4.250.0070.00016.35
7.4.240.0020.00516.36
7.4.230.0000.00716.45
7.4.220.0140.00316.43
7.4.210.0100.00716.53
7.4.200.0030.00316.32
7.4.190.0040.00416.68
7.4.160.0070.01316.32
7.4.150.0140.00317.40
7.4.140.0160.00217.86
7.4.130.0070.00916.51
7.4.120.0160.00216.37
7.4.110.0060.01016.45
7.4.100.0070.01016.43
7.4.90.0140.00316.65
7.4.80.0030.01519.39
7.4.70.0070.01016.55
7.4.60.0100.00716.54
7.4.50.0000.00816.41
7.4.40.0040.01522.77
7.4.30.0090.01316.46
7.4.00.0110.00614.84
7.3.330.0050.00013.10
7.3.320.0000.00513.09
7.3.310.0000.00716.20
7.3.300.0030.00316.24
7.3.290.0030.01016.25
7.3.280.0070.00816.22
7.3.270.0140.00317.40
7.3.260.0160.00316.40
7.3.250.0090.00816.34
7.3.240.0080.01116.50
7.3.230.0130.00716.39
7.3.210.0120.00816.55
7.3.200.0220.00019.39
7.3.190.0030.01316.59
7.3.180.0060.01016.46
7.3.170.0030.01216.44
7.3.160.0100.00616.30
7.3.120.0070.00714.68
7.2.330.0090.00916.50
7.2.320.0060.01616.57
7.2.310.0140.00316.45
7.2.300.0140.00316.60
7.2.290.0100.00716.57
7.2.60.0030.01016.69
7.2.00.0070.00718.70
7.1.200.0100.00315.61
7.1.100.0060.00918.23
7.1.70.0030.00917.05
7.1.60.0100.01019.17
7.1.50.0060.00916.79
7.1.00.0030.06722.54
7.0.200.0000.00816.35
7.0.140.0070.07022.00
7.0.70.4800.04019.92
7.0.60.0030.08719.95
7.0.50.0000.07317.64
7.0.40.0030.09320.30
7.0.30.0530.06020.01
7.0.20.0400.06720.00
7.0.10.0330.07020.19
7.0.00.0170.08020.16
5.6.280.0100.06720.75
5.6.210.0100.07020.73
5.6.200.0070.06318.22
5.6.190.0170.08020.37
5.6.180.0030.04020.60
5.6.170.0230.03720.38
5.6.160.0030.04020.70
5.6.150.0030.04018.12
5.6.140.0030.04018.12
5.6.130.0130.07718.18
5.6.120.0130.06320.97
5.6.110.0070.09021.12
5.6.100.0130.07720.95
5.6.90.0070.07720.97
5.6.80.0030.05720.40
5.6.70.0130.07720.36
5.5.350.0030.08720.29
5.5.340.0030.05017.96
5.5.330.0200.03020.43
5.5.320.0000.05020.38
5.5.310.0230.04720.31
5.5.300.0070.08017.98
5.5.290.0030.04717.87
5.5.280.0070.04320.87
5.5.270.0030.07720.86
5.5.260.0070.09020.78
5.5.250.0000.04320.46
5.5.240.0130.05320.34
5.4.450.0300.07319.54
5.4.440.0300.04719.45
5.4.430.0300.07719.56
5.4.420.0400.06019.41
5.4.410.0300.05319.33
5.4.400.0400.03719.22
5.4.390.0300.07018.80
5.4.380.0200.05718.93
5.4.370.0230.06718.92
5.4.360.0270.06719.21
5.4.350.0230.06719.06
5.4.340.0230.04019.23
5.4.320.0230.04019.23
5.4.310.0230.05018.91
5.4.300.0300.06319.07
5.4.290.0230.05018.91
5.4.280.0300.07019.23
5.4.270.0170.07019.12
5.4.260.0230.03718.78
5.4.250.0270.07319.06
5.4.240.0270.07718.77
5.4.230.0300.07019.07
5.4.220.0330.07019.14
5.4.210.0270.07718.84
5.4.200.0300.06019.07
5.4.190.0370.05319.23
5.4.180.0330.05718.79
5.4.170.0330.06018.79
5.4.160.0330.05718.76
5.4.150.0430.06319.13
5.4.140.0230.04716.48
5.4.130.0300.06716.32
5.4.120.0330.06316.26
5.4.110.0400.05716.22
5.4.100.0300.06716.49
5.4.90.0300.03316.41
5.4.80.0300.06016.48
5.4.70.0300.06316.34
5.4.60.0300.05016.32
5.4.50.0300.06316.45
5.4.40.0200.05016.39
5.4.30.0270.04716.38
5.4.20.0300.06016.42
5.4.10.0270.07016.46
5.4.00.0200.05015.90
5.3.290.0330.06014.61
5.3.280.0230.05014.54
5.3.270.0230.07714.44
5.3.260.0270.05014.54
5.3.250.0270.07014.48
5.3.240.0330.03714.57
5.3.230.0300.04014.43
5.3.220.0330.06014.41
5.3.210.0270.06014.65
5.3.200.0230.07314.51
5.3.190.0400.06014.39
5.3.180.0330.06314.46
5.3.170.0330.06714.39
5.3.160.0430.05714.50
5.3.150.0330.06714.43
5.3.140.0300.06714.50
5.3.130.0370.05314.48
5.3.120.0270.05014.47
5.3.110.0200.05014.37
5.3.100.0270.06313.87
5.3.90.0270.07313.86
5.3.80.0370.05713.99
5.3.70.0270.07014.04
5.3.60.0370.05313.94
5.3.50.0200.06313.91
5.3.40.0230.06713.88
5.3.30.0230.03313.74
5.3.20.0270.04713.62
5.3.10.0270.04313.44
5.3.00.0330.06013.43
5.2.170.0330.05011.92
5.2.160.0200.04311.92
5.2.150.0200.03311.92
5.2.140.0300.05011.92
5.2.130.0270.05711.92
5.2.120.0200.03011.92
5.2.110.0230.03311.92
5.2.100.0270.05711.92
5.2.90.0200.05311.92
5.2.80.0200.06311.92
5.2.70.0230.04011.92
5.2.60.0130.05711.92
5.2.50.0330.05311.92
5.2.40.0170.03311.92
5.2.30.0170.03011.92
5.2.20.0200.04711.92
5.2.10.0270.05011.92
5.2.00.0230.02011.92
5.1.60.0130.03311.92
5.1.50.0130.02711.92
5.1.40.0200.02311.92
5.1.30.0130.02711.92
5.1.20.0130.02711.92
5.1.10.0200.04711.92
5.1.00.0170.06011.92
5.0.50.0070.03711.92
5.0.40.0100.03311.92
5.0.30.0130.04011.92
5.0.20.0100.02311.92
5.0.10.0100.04011.92
5.0.00.0100.03011.92
4.4.90.0100.02011.92
4.4.80.0070.02711.92
4.4.70.0070.01711.92
4.4.60.0170.02711.92
4.4.50.0070.02011.92
4.4.40.0170.04011.92
4.4.30.0100.03311.92
4.4.20.0100.03311.92
4.4.10.0130.03011.92
4.4.00.0070.04311.92
4.3.110.0130.03311.92
4.3.100.0130.03011.92
4.3.90.0100.01311.92
4.3.80.0100.02311.92
4.3.70.0100.03311.92
4.3.60.0130.01311.92
4.3.50.0100.03011.92
4.3.40.0100.04311.92
4.3.30.0070.02711.92
4.3.20.0070.02311.92
4.3.10.0070.01711.92
4.3.00.0100.02311.92

preferences:
54.59 ms | 400 KiB | 5 Q