3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode("some\"thing"));

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)
8.3.40.0090.00618.84
8.3.30.0100.00318.54
8.3.20.0040.01118.43
8.3.10.0040.00419.13
8.3.00.0060.00323.65
8.2.170.0070.00722.96
8.2.160.0100.00320.60
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0000.00819.54
8.2.110.0050.00520.47
8.2.100.0090.00317.47
8.2.90.0040.00418.16
8.2.80.0080.00017.97
8.2.70.0030.00617.50
8.2.60.0050.00317.80
8.2.50.0000.00818.07
8.2.40.0040.00419.95
8.2.30.0030.00621.34
8.2.20.0000.00717.56
8.2.10.0040.00417.53
8.2.00.0000.00817.46
8.1.270.0000.00823.99
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0060.00322.06
8.1.230.0030.00720.87
8.1.220.0040.00417.74
8.1.210.0040.00418.89
8.1.200.0030.00617.23
8.1.190.0030.00517.10
8.1.180.0030.00618.10
8.1.170.0030.00518.59
8.1.160.0000.00818.86
8.1.150.0040.00418.42
8.1.140.0040.00417.22
8.1.130.0000.00717.66
8.1.120.0030.00317.25
8.1.110.0040.00417.33
8.1.100.0050.00317.37
8.1.90.0000.00817.21
8.1.80.0000.00717.30
8.1.70.0000.00717.32
8.1.60.0000.00917.43
8.1.50.0000.00717.33
8.1.40.0070.00317.21
8.1.30.0070.00017.50
8.1.20.0040.00417.58
8.1.10.0000.00717.37
8.1.00.0040.00417.28
8.0.300.0030.00520.14
8.0.290.0030.00516.58
8.0.280.0000.00818.25
8.0.270.0060.00317.13
8.0.260.0000.00716.69
8.0.250.0000.00816.71
8.0.240.0060.00616.86
8.0.230.0030.00316.78
8.0.220.0070.00016.77
8.0.210.0000.00816.73
8.0.200.0000.00616.84
8.0.190.0000.00816.77
8.0.180.0030.00316.75
8.0.170.0070.00016.81
8.0.160.0000.00716.75
8.0.150.0000.00716.73
8.0.140.0030.00316.60
8.0.130.0000.00513.16
8.0.120.0000.00716.62
8.0.110.0050.00216.73
8.0.100.0000.00716.69
8.0.90.0040.00416.55
8.0.80.0120.00316.74
8.0.70.0070.00016.86
8.0.60.0000.00716.79
8.0.50.0040.00416.85
8.0.30.0050.01317.04
8.0.20.0120.00817.40
8.0.10.0040.00416.94
8.0.00.0080.01316.68
7.4.330.0000.00614.64
7.4.320.0000.00716.48
7.4.300.0030.00316.28
7.4.290.0000.00816.48
7.4.280.0070.00016.50
7.4.270.0070.00316.38
7.4.260.0050.00013.24
7.4.250.0030.00616.41
7.4.240.0000.00816.32
7.4.230.0070.00016.48
7.4.220.0120.00916.30
7.4.210.0080.00716.50
7.4.200.0030.00316.48
7.4.190.0040.00416.51
7.4.160.0100.00716.14
7.4.150.0030.01417.40
7.4.140.0070.01317.86
7.4.130.0050.01516.42
7.4.120.0110.00616.28
7.4.110.0130.01016.42
7.4.100.0060.01816.42
7.4.90.0080.01416.39
7.4.80.0090.01219.39
7.4.70.0090.00716.28
7.4.60.0090.00916.25
7.4.50.0030.00616.21
7.4.40.0030.01222.52
7.4.30.0120.00416.41
7.4.00.0030.00714.64
7.3.330.0000.00512.87
7.3.320.0000.00512.88
7.3.310.0060.00316.26
7.3.300.0000.00716.14
7.3.290.0120.00616.11
7.3.280.0110.00916.08
7.3.270.0130.00317.40
7.3.260.0170.00918.24
7.3.250.0130.00616.15
7.3.240.0030.01416.30
7.3.230.0070.01016.39
7.3.210.0070.01616.34
7.3.200.0030.01319.39
7.3.190.0060.01116.27
7.3.180.0050.01116.10
7.3.170.0030.01216.38
7.3.160.0060.01216.06
7.3.120.0030.01214.68
7.3.10.0110.00416.37
7.3.00.0030.01316.59
7.2.330.0170.01716.36
7.2.320.0030.01316.36
7.2.310.0130.00516.39
7.2.300.0000.01616.45
7.2.290.0090.00916.52
7.2.130.0070.01016.54
7.2.120.0040.01116.79
7.2.110.0070.00716.66
7.2.100.0070.00616.57
7.2.90.0060.00916.82
7.2.80.0060.00916.53
7.2.70.0090.00316.70
7.2.60.0060.00616.57
7.2.50.0030.00716.37
7.2.40.0090.00616.76
7.2.30.0130.00316.63
7.2.20.0090.00616.72
7.2.10.0090.00016.58
7.2.00.0080.00817.89
7.1.250.0060.00315.73
7.1.100.0040.00817.66
7.1.70.0040.00416.85
7.1.60.0100.01619.40
7.1.50.0070.01116.88
7.1.00.0030.08322.31
7.0.200.0050.00516.34
7.0.140.0030.07722.07
7.0.90.0270.05719.99
7.0.80.0100.04019.98
7.0.70.0070.04019.96
7.0.60.0200.04319.87
7.0.50.0170.05320.25
7.0.40.0130.07320.15
7.0.30.0100.07020.14
7.0.20.0070.07020.11
7.0.10.0070.08320.07
7.0.00.0200.07020.10
5.6.280.0030.07021.09
5.6.240.0030.07320.66
5.6.230.0100.03720.71
5.6.220.0100.07320.64
5.6.210.0030.08720.63
5.6.200.0130.08721.06
5.6.190.0100.08321.08
5.6.180.0100.08021.13
5.6.170.0070.04721.01
5.6.160.0070.08321.09
5.6.150.0100.07321.02
5.6.140.0130.04721.09
5.6.130.0100.07321.04
5.6.120.0100.07720.94
5.6.110.0100.06321.08
5.6.100.0000.09320.93
5.6.90.0030.08721.00
5.6.80.0030.08020.38
5.6.70.0030.08020.46
5.6.60.0070.08020.30
5.6.50.0130.05720.40
5.6.40.0100.06020.48
5.6.30.0030.07720.38
5.6.20.0070.07020.29
5.6.10.0170.06320.30
5.6.00.0070.06020.38
5.5.380.0100.07020.36
5.5.370.0070.09020.36
5.5.360.0100.08320.53
5.5.350.0070.06720.39
5.5.340.0070.08320.93
5.5.330.0000.08720.88
5.5.320.0200.06320.88
5.5.310.0030.05720.86
5.5.300.0200.05320.78
5.5.290.0400.02720.89
5.5.280.0130.06020.72
5.5.270.0100.08020.79
5.5.260.0070.08320.88
5.5.250.0070.05320.45
5.5.240.0130.06320.27
5.5.230.0030.07320.24
5.5.220.0130.07020.16
5.5.210.0070.07720.20
5.5.200.0170.03720.06
5.5.190.0200.06320.10
5.5.180.0100.07020.26
5.5.160.0070.08320.17
5.5.150.0100.06320.07
5.5.140.0100.06320.20
5.5.130.0130.06020.13
5.5.120.0070.04320.12
5.5.110.0030.05020.11
5.5.100.0100.07320.05
5.5.90.0100.03320.05
5.5.80.0130.05020.03
5.5.70.0030.08020.03
5.5.60.0070.05320.04
5.5.50.0030.05020.05
5.5.40.0030.06720.04
5.5.30.0070.08020.14
5.5.20.0070.07020.04
5.5.10.0100.07720.07
5.5.00.0030.05020.00
5.4.450.0130.08019.38
5.4.440.0100.08019.35
5.4.430.0030.06319.11
5.4.420.0170.03719.35
5.4.410.0070.05719.42
5.4.400.0000.05018.97
5.4.390.0170.03018.81
5.4.380.0170.06718.98
5.4.370.0000.05319.13
5.4.360.0030.08719.04
5.4.350.0170.06719.03
5.4.340.0070.05319.11
5.4.320.0030.04718.98
5.4.310.0070.04718.94
5.4.300.0100.03319.07
5.4.290.0070.07319.07
5.4.280.0100.07718.94
5.4.270.0070.06318.91
5.4.260.0130.05718.90
5.4.250.0030.05319.13
5.4.240.0100.05319.02
5.4.230.0100.08719.01
5.4.220.0070.07318.88
5.4.210.0100.03719.02
5.4.200.0170.07019.14
5.4.190.0070.04718.95
5.4.180.0070.05019.11
5.4.170.0070.04318.89
5.4.160.0030.04319.21
5.4.150.0070.05019.04
5.4.140.0030.08016.02
5.4.130.0100.05716.23
5.4.120.0070.07316.28
5.4.110.0100.05716.43
5.4.100.0030.04316.25
5.4.90.0100.06316.31
5.4.80.0070.05716.20
5.4.70.0130.06716.28
5.4.60.0130.04716.33
5.4.50.0000.05016.21
5.4.40.0100.07316.25
5.4.30.0070.06316.29
5.4.20.0030.07316.40
5.4.10.0100.07016.39
5.4.00.0200.06015.76
5.3.290.0070.07714.51
5.3.280.0070.08014.50
5.3.270.0030.07014.59
5.3.260.0000.09314.54
5.3.250.0070.03714.51
5.3.240.0030.07714.45
5.3.230.0170.06714.58
5.3.220.0070.07014.55
5.3.210.0130.07314.41
5.3.200.0030.04314.38
5.3.190.0100.06714.55
5.3.180.0030.04714.55
5.3.170.0100.07314.41
5.3.160.0030.07714.52
5.3.150.0070.04314.41
5.3.140.0070.07314.56
5.3.130.0100.06714.50
5.3.120.0100.07714.54
5.3.110.0070.07014.36
5.3.100.0030.08313.99
5.3.90.0100.09013.85
5.3.80.0100.07313.92
5.3.70.0100.06313.77
5.3.60.0030.07313.77
5.3.50.0100.03713.93
5.3.40.0100.07013.94
5.3.30.0070.07313.86
5.3.20.0070.05313.55
5.3.10.0000.04713.63
5.3.00.0070.06313.59
5.2.170.0000.05310.97
5.2.160.0130.03311.13
5.2.150.0130.04311.18
5.2.140.0030.06311.18
5.2.130.0000.03311.08
5.2.120.0030.03711.09
5.2.110.0030.05310.93
5.2.100.0070.03011.09
5.2.90.0000.03711.08
5.2.80.0070.06311.05
5.2.70.0070.04711.01
5.2.60.0100.04710.84
5.2.50.0030.06710.94
5.2.40.0100.03011.06
5.2.30.0000.03010.92
5.2.20.0030.03710.91
5.2.10.0030.03310.85
5.2.00.0030.03710.73
5.1.60.0030.05710.02
5.1.50.0070.0279.83
5.1.40.0100.0339.97
5.1.30.0030.06010.37
5.1.20.0070.03710.31
5.1.10.0030.05010.05
5.1.00.0070.03710.11
5.0.50.0030.0238.52
5.0.40.0030.0538.39
5.0.30.0000.0408.09
5.0.20.0030.0278.29
5.0.10.0000.0208.24
5.0.00.0000.0338.20
4.4.90.0000.0207.45
4.4.80.0030.0337.45
4.4.70.0070.0137.45
4.4.60.0000.0207.45
4.4.50.0030.0137.45
4.4.40.0030.0237.45
4.4.30.0030.0337.45
4.4.20.0000.0407.45
4.4.10.0000.0207.45
4.4.00.0000.0277.45
4.3.110.0030.0207.45
4.3.100.0000.0177.45
4.3.90.0030.0207.45
4.3.80.0030.0537.45
4.3.70.0100.0077.45
4.3.60.0000.0207.45
4.3.50.0000.0277.45
4.3.40.0000.0307.45
4.3.30.0000.0177.45
4.3.20.0000.0307.45
4.3.10.0000.0237.45
4.3.00.0030.0177.45

preferences:
40.64 ms | 400 KiB | 5 Q