3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(array(1=>'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)
8.3.40.0040.01118.54
8.3.30.0080.00818.92
8.3.20.0000.00720.16
8.3.10.0070.00023.66
8.3.00.0050.00319.38
8.2.170.0100.00722.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00420.95
8.2.110.0030.00622.08
8.2.100.0080.00417.78
8.2.90.0050.00219.14
8.2.80.0040.00417.97
8.2.70.0060.00317.25
8.2.60.0090.00017.80
8.2.50.0080.00018.07
8.2.40.0000.00718.03
8.2.30.0000.00717.86
8.2.20.0040.00417.54
8.2.10.0040.00417.84
8.2.00.0000.00717.54
8.1.270.0000.00923.83
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00523.79
8.1.230.0060.00619.11
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0060.00317.10
8.1.190.0080.00016.98
8.1.180.0000.00818.10
8.1.170.0000.00918.47
8.1.160.0000.00721.95
8.1.150.0020.00518.63
8.1.140.0070.00017.21
8.1.130.0040.00417.78
8.1.120.0030.00517.32
8.1.110.0050.00317.25
8.1.100.0030.00317.34
8.1.90.0070.00017.18
8.1.80.0030.00317.29
8.1.70.0030.00517.16
8.1.60.0050.00317.34
8.1.50.0000.00817.28
8.1.40.0060.00317.29
8.1.30.0040.00417.46
8.1.20.0000.00817.47
8.1.10.0060.00317.31
8.1.00.0040.00417.34
8.0.300.0000.00918.77
8.0.290.0060.00316.63
8.0.280.0000.00718.38
8.0.270.0000.00717.13
8.0.260.0000.00717.19
8.0.250.0000.00716.87
8.0.240.0000.00716.73
8.0.230.0030.00316.80
8.0.220.0060.00016.71
8.0.210.0000.00716.66
8.0.200.0030.00316.86
8.0.190.0000.00716.81
8.0.180.0040.00416.72
8.0.170.0000.00816.79
8.0.160.0000.00816.80
8.0.150.0100.00016.68
8.0.140.0050.00316.77
8.0.130.0030.00313.22
8.0.120.0000.00816.75
8.0.110.0000.00716.64
8.0.100.0000.00716.79
8.0.90.0000.00716.66
8.0.80.0130.01016.73
8.0.70.0080.00016.78
8.0.60.0030.00316.61
8.0.50.0050.00316.54
8.0.30.0110.00717.01
8.0.20.0050.01517.40
8.0.10.0040.00416.91
8.0.00.0120.00516.67
7.4.330.0000.00615.01
7.4.320.0000.00916.50
7.4.300.0000.00616.37
7.4.290.0000.00816.49
7.4.280.0070.00016.46
7.4.270.0030.00316.47
7.4.260.0030.00316.32
7.4.250.0050.00216.22
7.4.240.0020.00516.31
7.4.230.0040.00416.25
7.4.220.0070.01016.47
7.4.210.0060.00916.44
7.4.200.0000.00716.39
7.4.160.0100.00716.32
7.4.150.0110.00617.40
7.4.140.0100.01017.86
7.4.130.0080.00816.44
7.4.120.0070.01216.29
7.4.110.0110.00716.49
7.4.100.0170.00016.48
7.4.90.0070.01016.53
7.4.80.0070.01419.39
7.4.70.0060.01016.23
7.4.60.0040.01216.36
7.4.50.0030.00316.29
7.4.40.0080.01116.24
7.4.30.0100.01016.57
7.4.00.0100.00814.97
7.3.330.0000.00712.87
7.3.320.0030.00313.01
7.3.310.0030.00316.08
7.3.300.0060.00016.13
7.3.290.0040.01716.16
7.3.280.0110.00816.09
7.3.270.0110.00617.40
7.3.260.0110.01116.46
7.3.250.0090.01016.18
7.3.240.0120.01016.07
7.3.230.0120.00616.39
7.3.210.0100.00616.44
7.3.200.0110.01019.39
7.3.190.0060.01016.16
7.3.180.0130.00316.15
7.3.170.0130.00316.27
7.3.160.0150.00416.29
7.3.120.0050.01114.73
7.3.110.0050.01214.74
7.3.100.0150.00414.54
7.3.90.0060.00914.64
7.3.80.0070.00814.61
7.3.70.0080.00614.51
7.3.60.0080.00614.65
7.3.50.0070.00814.68
7.3.40.0060.00914.65
7.3.30.0070.00914.62
7.3.20.0070.00816.39
7.3.10.0090.00716.59
7.3.00.0090.00316.53
7.2.330.0080.00816.30
7.2.320.0200.00316.34
7.2.310.0100.00716.54
7.2.300.0060.01616.16
7.2.290.0120.00616.28
7.2.250.0070.01314.97
7.2.240.0050.01114.89
7.2.230.0130.00414.86
7.2.220.0070.00914.97
7.2.210.0100.00614.77
7.2.200.0040.01014.93
7.2.190.0110.00214.87
7.2.180.0070.01014.89
7.2.170.0070.00715.02
7.2.160.0030.01014.75
7.2.150.0000.01316.63
7.2.140.0090.00616.88
7.2.130.0000.01516.52
7.2.120.0030.01016.79
7.2.110.0030.00616.67
7.2.100.0070.00716.75
7.2.90.0070.00316.80
7.2.80.0080.00616.69
7.2.70.0000.01416.68
7.2.60.0040.01116.74
7.2.50.0020.01016.76
7.2.40.0060.01016.76
7.2.30.0030.01416.37
7.2.20.0030.00616.96
7.2.10.0070.00716.72
7.2.00.0060.00916.73
7.1.330.0070.00715.54
7.1.320.0090.00615.61
7.1.310.0050.00815.79
7.1.300.0030.01015.66
7.1.290.0050.01115.54
7.1.280.0050.00615.61
7.1.270.0050.00815.60
7.1.260.0060.01015.70
7.1.250.0080.00615.46
7.1.200.0040.00815.48
7.1.70.0030.00917.19
7.1.60.0130.01019.40
7.1.50.0030.01716.89
7.1.00.0030.09022.54
7.0.200.0330.00414.61
7.0.140.0000.07721.96
7.0.110.0070.03721.75
7.0.100.0000.04321.91
7.0.90.0030.04321.78
7.0.80.0070.03321.84
7.0.70.0000.04021.86
7.0.60.0030.07721.74
7.0.50.0000.07721.76
7.0.40.0030.08319.68
7.0.30.0030.07319.79
7.0.20.0030.08019.65
7.0.10.0030.04319.77
7.0.00.0000.07319.81
5.6.280.0030.07321.14
5.6.260.0030.03720.59
5.6.250.0000.04320.68
5.6.240.0000.04320.68
5.6.230.0030.04020.63
5.6.220.0030.07320.53
5.6.210.0100.06720.80
5.6.200.0000.08720.59
5.6.190.0100.06020.61
5.6.180.0030.05720.56
5.6.170.0000.08320.55
5.6.160.0000.08020.60
5.6.150.0070.05320.69
5.6.140.0030.03720.55
5.6.130.0000.09020.62
5.6.120.0000.07020.57
5.6.110.0030.09020.57
5.6.100.0130.07320.60
5.6.90.0030.07020.53
5.6.80.0130.05719.96
5.6.70.0070.07720.22
5.6.60.0030.07719.98
5.6.50.0030.07719.97
5.6.40.0070.07719.82
5.6.30.0070.07320.05
5.6.20.0070.08319.94
5.6.10.0070.08019.95
5.6.00.0070.06719.99
5.5.380.0000.04017.50
5.5.370.0030.03717.54
5.5.360.0030.05017.59
5.5.350.0000.07717.42
5.5.340.0030.04017.89
5.5.330.0030.07717.87
5.5.320.0030.07718.17
5.5.310.0000.07018.16
5.5.300.0030.07717.89
5.5.290.0030.07318.00
5.5.280.0030.07717.86
5.5.270.0100.04318.11
5.5.260.0030.08018.17
5.5.250.0030.08317.67
5.5.240.0000.07717.55
5.5.230.0030.04717.14
5.5.220.0100.05717.49
5.5.210.0000.07317.47
5.5.200.0030.07317.52
5.5.190.0000.06317.38
5.5.180.0000.05017.24
5.5.160.0030.07317.24
5.5.150.0030.07717.44
5.5.140.0070.07017.50
5.5.130.0130.06317.44
5.5.120.0030.07017.59
5.5.110.0030.07317.32
5.5.100.0000.08017.14
5.5.90.0030.07717.25
5.5.80.0030.07717.14
5.5.70.0030.07317.41
5.5.60.0000.03017.37
5.5.50.0100.06017.09
5.5.40.0030.07317.49
5.5.30.0030.05317.08
5.5.20.0070.06717.01
5.5.10.0000.05717.39
5.5.00.0100.07017.36
5.4.450.0070.08319.45
5.4.440.0030.04719.44
5.4.430.0030.07319.30
5.4.420.0070.04019.32
5.4.410.0030.08019.12
5.4.400.0030.07319.12
5.4.390.0070.06719.13
5.4.380.0000.05719.18
5.4.370.0070.07319.27
5.4.360.0030.08018.93
5.4.350.0100.07019.03
5.4.340.0000.04719.18
5.4.320.0100.07019.25
5.4.310.0100.06018.95
5.4.300.0030.07719.02
5.4.290.0000.07319.10
5.4.280.0100.07019.07
5.4.270.0030.07319.27
5.4.260.0000.07319.07
5.4.250.0130.06719.02
5.4.240.0030.07319.07
5.4.230.0070.07019.11
5.4.220.0030.08019.16
5.4.210.0100.06719.24
5.4.200.0000.08319.07
5.4.190.0000.08018.93
5.4.180.0070.05019.23
5.4.170.0000.08318.99
5.4.160.0100.04719.15
5.4.150.0130.06719.22
5.4.140.0000.05716.34
5.4.130.0030.06016.46
5.4.120.0000.04716.52
5.4.110.0070.07016.38
5.4.100.0100.03716.52
5.4.90.0070.04716.43
5.4.80.0030.07016.47
5.4.70.0070.04716.26
5.4.60.0000.03716.37
5.4.50.0030.05716.31
5.4.40.0070.07016.23
5.4.30.0030.06716.38
5.4.20.0030.07016.27
5.4.10.0000.06716.34
5.4.00.0070.05015.97
5.3.290.0070.04014.55
5.3.280.0030.04314.49
5.3.270.0100.06714.61
5.3.260.0100.07014.46
5.3.250.0030.06314.59
5.3.240.0070.07014.50
5.3.230.0070.07314.40
5.3.220.0030.06314.58
5.3.210.0070.07314.44
5.3.200.0000.07714.44
5.3.190.0030.07714.46
5.3.180.0030.05714.38
5.3.170.0070.06314.50
5.3.160.0030.07014.43
5.3.150.0070.03314.65
5.3.140.0030.08014.45
5.3.130.0030.07014.61
5.3.120.0000.05714.56
5.3.110.0030.05014.64
5.3.100.0100.03014.13
5.3.90.0030.06713.96
5.3.80.0100.06014.11
5.3.70.0130.02313.87
5.3.60.0000.07713.93
5.3.50.0000.04313.87
5.3.40.0030.07313.99
5.3.30.0070.04013.79
5.3.20.0000.07713.49
5.3.10.0030.06713.67
5.3.00.0000.06313.57
5.2.170.0030.06011.85
5.2.160.0000.04011.85
5.2.150.0030.02711.85
5.2.140.0070.03011.85
5.2.130.0000.04011.85
5.2.120.0000.06311.85
5.2.110.0070.05711.85
5.2.100.0070.05711.85
5.2.90.0000.06311.85
5.2.80.0000.03711.85
5.2.70.0030.06311.85
5.2.60.0030.06011.85
5.2.50.0070.06011.85
5.2.40.0030.05011.85
5.2.30.0030.05311.85
5.2.20.0030.05011.85
5.2.10.0000.06311.85
5.2.00.0000.05711.85
5.1.60.0070.03311.85
5.1.50.0070.02711.85
5.1.40.0030.02711.85
5.1.30.0000.06011.85
5.1.20.0000.04711.85
5.1.10.0030.02711.85
5.1.00.0030.04311.85
5.0.50.0000.04711.85
5.0.40.0000.04711.85
5.0.30.0000.06711.85
5.0.20.0030.04011.85
5.0.10.0000.04311.85
5.0.00.0000.07011.85
4.4.90.0100.02711.85
4.4.80.0070.03011.85
4.4.70.0030.03311.85
4.4.60.0030.03311.85
4.4.50.0000.02011.85
4.4.40.0000.04011.85
4.4.30.0030.03311.85
4.4.20.0000.03711.85
4.4.10.0030.03011.85
4.4.00.0000.05311.85
4.3.110.0000.04011.85
4.3.100.0000.03711.85
4.3.90.0030.02011.85
4.3.80.0000.04711.85
4.3.70.0030.03011.85
4.3.60.0000.03311.85
4.3.50.0030.02711.85
4.3.40.0030.04711.85
4.3.30.0000.03711.85
4.3.20.0070.03011.85
4.3.10.0000.03711.85
4.3.00.0000.01711.85

preferences:
45.6 ms | 400 KiB | 5 Q