3v4l.org

run code in 300+ PHP versions simultaneously
<?php json_decode('X'); var_dump(json_last_error()); json_decode(''); var_dump(json_last_error());

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)
8.3.40.0100.00718.71
8.3.30.0070.00718.92
8.3.20.0080.00020.39
8.3.10.0040.00422.09
8.3.00.0080.00022.46
8.2.170.0030.01422.96
8.2.160.0110.00420.47
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.25
8.2.110.0030.00622.29
8.2.100.0040.00819.33
8.2.90.0000.00818.86
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0000.00818.09
8.2.30.0000.00717.81
8.2.20.0040.00417.53
8.2.10.0050.00319.27
8.2.00.0000.00717.66
8.1.270.0000.00822.19
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00923.83
8.1.230.0070.00718.93
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0080.00017.00
8.1.190.0000.00817.29
8.1.180.0040.00418.10
8.1.170.0080.00018.54
8.1.160.0040.00421.86
8.1.150.0040.00418.55
8.1.140.0050.00217.20
8.1.130.0030.00317.67
8.1.120.0070.00017.31
8.1.110.0030.00317.32
8.1.100.0040.00417.34
8.1.90.0000.00717.32
8.1.80.0030.00317.34
8.1.70.0000.00717.25
8.1.60.0030.00517.48
8.1.50.0040.00417.46
8.1.40.0000.00817.44
8.1.30.0000.00817.45
8.1.20.0000.00817.42
8.1.10.0040.00417.29
8.1.00.0000.00717.37
8.0.300.0070.00018.77
8.0.290.0040.00417.05
8.0.280.0040.00418.32
8.0.270.0030.00317.13
8.0.260.0030.00316.77
8.0.250.0050.00316.80
8.0.240.0080.00016.79
8.0.230.0000.00716.84
8.0.220.0040.00416.67
8.0.210.0000.00716.82
8.0.200.0000.00616.81
8.0.190.0040.00416.70
8.0.180.0030.00616.71
8.0.170.0040.00416.76
8.0.160.0040.00416.76
8.0.150.0030.00316.70
8.0.140.0030.00316.64
8.0.130.0000.00613.15
8.0.120.0040.00416.64
8.0.110.0040.00416.79
8.0.100.0000.00716.82
8.0.90.0000.00816.81
8.0.80.0030.01416.73
8.0.70.0000.00716.56
8.0.60.0040.00416.70
8.0.50.0000.00716.59
8.0.30.0160.00316.99
8.0.20.0130.00517.40
8.0.10.0030.00317.00
8.0.00.0140.00616.54
7.4.330.0060.00015.00
7.4.320.0040.00416.49
7.4.300.0000.00616.47
7.4.290.0070.00016.37
7.4.280.0070.00016.49
7.4.270.0030.00316.51
7.4.260.0030.00316.43
7.4.250.0000.00716.45
7.4.240.0000.00716.44
7.4.230.0000.00716.27
7.4.220.0140.00316.54
7.4.210.0100.00516.50
7.4.200.0000.00716.26
7.4.190.0070.00016.64
7.4.160.0060.00916.21
7.4.150.0030.01317.40
7.4.140.0100.00717.86
7.4.130.0080.01116.39
7.4.120.0140.00616.40
7.4.110.0090.00616.29
7.4.100.0180.00316.62
7.4.90.0150.00316.37
7.4.80.0120.00619.39
7.4.70.0090.00616.26
7.4.60.0160.00716.33
7.4.50.0000.00616.34
7.4.40.0120.00622.77
7.4.30.0090.00616.33
7.4.00.0110.00414.89
7.3.330.0090.00013.12
7.3.320.0000.00513.12
7.3.310.0030.00316.07
7.3.300.0000.00616.11
7.3.290.0070.01416.18
7.3.280.0090.00816.09
7.3.270.0090.00917.40
7.3.260.0110.00716.32
7.3.250.0050.01216.21
7.3.240.0140.00916.44
7.3.230.0030.01616.39
7.3.210.0040.01316.25
7.3.200.0110.00619.39
7.3.190.0090.01216.13
7.3.180.0080.00816.34
7.3.170.0140.00616.41
7.3.160.0060.00916.03
7.3.120.0100.00714.64
7.3.110.0120.00314.66
7.3.100.0000.01414.80
7.3.90.0030.01014.82
7.3.80.0060.00614.58
7.3.70.0100.00014.63
7.3.60.0100.00314.69
7.3.50.0040.01114.41
7.3.40.0060.00314.66
7.3.30.0070.00714.55
7.3.20.0070.00716.15
7.3.10.0030.00916.41
7.3.00.0100.00716.34
7.2.330.0110.00516.34
7.2.320.0030.01716.43
7.2.310.0070.01316.30
7.2.300.0060.01216.45
7.2.290.0060.00916.25
7.2.240.0110.00014.98
7.2.230.0040.01114.45
7.2.220.0030.00715.02
7.2.210.0000.01614.52
7.2.200.0110.00014.87
7.2.190.0110.00014.87
7.2.180.0030.00714.53
7.2.170.0000.01314.92
7.2.160.0120.00314.94
7.2.150.0030.01016.50
7.2.140.0100.00716.76
7.2.130.0090.00616.63
7.2.120.0070.01016.79
7.2.110.0070.01016.53
7.2.100.0060.01016.51
7.2.90.0070.00716.87
7.2.80.0060.01016.59
7.2.70.0030.00916.66
7.2.60.0030.00916.60
7.2.50.0090.00616.74
7.2.40.0060.00616.49
7.2.30.0090.00616.68
7.2.20.0030.01316.80
7.2.10.0040.00716.80
7.2.00.0100.00716.59
7.1.330.0030.00915.79
7.1.320.0070.00715.50
7.1.310.0030.01215.73
7.1.300.0040.01115.48
7.1.290.0030.01015.66
7.1.280.0030.01315.57
7.1.270.0030.01015.51
7.1.260.0030.01015.50
7.1.250.0030.00915.79
7.1.200.0030.00915.32
7.1.70.0070.00716.88
7.1.60.0060.01819.82
7.1.50.0070.01616.74
7.1.00.0100.07022.31
7.0.200.0000.01716.70
7.0.140.0030.07322.21
7.0.110.0100.04320.06
7.0.100.0100.05719.93
7.0.90.0070.08719.90
7.0.80.0070.08019.99
7.0.70.0100.08020.02
7.0.60.0100.06319.99
7.0.50.0100.08020.15
7.0.40.0100.07320.23
7.0.30.0170.07320.05
7.0.20.0000.08720.28
7.0.10.0100.05020.02
7.0.00.0230.07320.21
5.6.280.0070.07020.81
5.6.250.0070.04720.71
5.6.240.0100.08320.70
5.6.230.0030.05720.65
5.6.220.0070.08020.67
5.6.210.0130.07720.62
5.6.200.0070.08321.08
5.6.190.0130.04721.11
5.6.180.0070.06720.95
5.6.170.0070.08021.02
5.6.160.0030.08321.14
5.6.150.0000.09321.14
5.6.140.0070.08721.13
5.6.130.0000.08721.07
5.6.120.0100.08721.08
5.6.110.0170.07321.02
5.6.100.0070.05320.91
5.6.90.0100.08021.18
5.6.80.0070.08320.52
5.6.70.0030.08320.40
5.6.60.0170.06720.45
5.6.50.0130.05720.50
5.6.40.0130.07020.52
5.6.30.0070.08020.27
5.6.20.0130.07320.30
5.6.10.0000.08020.61
5.6.00.0070.07720.47
5.5.380.0100.07320.23
5.5.370.0230.06320.54
5.5.360.0030.08020.50
5.5.350.0100.08020.45
5.5.340.0130.07020.84
5.5.330.0100.08320.70
5.5.320.0130.07320.96
5.5.310.0200.07020.83
5.5.300.0070.08020.90
5.5.290.0170.07320.82
5.5.280.0000.09020.80
5.5.270.0170.07320.68
5.5.260.0030.09020.84
5.5.250.0100.07320.69
5.5.240.0100.05320.28
5.5.230.0070.08020.23
5.5.220.0170.07320.11
5.5.210.0170.06720.38
5.5.200.0100.07720.36
5.5.190.0030.08020.04
5.5.180.0100.07020.24
5.5.160.0270.06020.23
5.5.150.0030.08020.38
5.5.140.0170.06320.08
5.5.130.0070.03720.14
5.5.120.0130.07020.11
5.5.110.0200.06320.11
5.5.100.0200.06020.07
5.5.90.0130.05720.16
5.5.80.0070.08020.20
5.5.70.0070.07719.98
5.5.60.0100.07320.24
5.5.50.0130.07320.22
5.5.40.0000.08320.14
5.5.30.0100.07720.20
5.5.20.0130.07020.02
5.5.10.0070.07320.01
5.5.00.0070.04320.11
5.4.450.0070.08319.49
5.4.440.0000.09719.59
5.4.430.0030.07719.42
5.4.420.0070.04719.57
5.4.410.0100.07319.45
5.4.400.0100.04019.13
5.4.390.0100.07319.03
5.4.380.0070.08019.17
5.4.370.0130.07019.08
5.4.360.0100.07718.95
5.4.350.0100.07719.18
5.4.340.0070.08319.01
5.4.320.0030.04718.93
5.4.310.0130.06719.27
5.4.300.0070.06718.98
5.4.290.0070.04319.07
5.4.280.0030.07719.27
5.4.270.0100.07018.95
5.4.260.0070.07719.16
5.4.250.0100.07719.02
5.4.240.0030.08019.16
5.4.230.0030.07719.00
5.4.220.0130.06719.11
5.4.210.0030.08319.04
5.4.200.0070.04719.15
5.4.190.0100.06719.10
5.4.180.0130.06019.02
5.4.170.0070.07319.01
5.4.160.0130.07718.93
5.4.150.0100.04018.98
5.4.140.0100.07316.34
5.4.130.0030.07716.22
5.4.120.0070.07016.48
5.4.110.0070.06716.50
5.4.100.0070.04716.48
5.4.90.0000.07716.39
5.4.80.0070.07716.49
5.4.70.0030.08016.33
5.4.60.0070.07016.50
5.4.50.0130.06716.11
5.4.40.0170.06016.54
5.4.30.0030.07016.37
5.4.20.0000.08016.48
5.4.10.0030.07716.26
5.4.00.0070.06315.96
5.3.290.0070.07314.66
5.3.280.0070.07714.69
5.3.270.0100.07314.54
5.3.260.0030.07314.61
5.3.250.0030.07014.50
5.3.240.0030.07714.53
5.3.230.0100.06314.69
5.3.220.0030.07714.39
5.3.210.0030.07014.57
5.3.200.0030.07714.51
5.3.190.0100.07314.36
5.3.180.0170.05314.48
5.3.170.0070.07314.58
5.3.160.0100.07714.50
5.3.150.0070.07314.45
5.3.140.0070.07714.40
5.3.130.0130.07014.62
5.3.120.0200.06014.48
5.3.110.0030.08314.41
5.3.100.0030.07713.86
5.3.90.0030.07013.94
5.3.80.0100.07014.08
5.3.70.0130.05013.96
5.3.60.0100.06314.07
5.3.50.0000.04313.88
5.3.40.0070.07014.04
5.3.30.0070.07013.78
5.3.20.0030.07313.78
5.3.10.0070.04313.51
5.3.00.0070.07013.46
5.2.170.0070.06311.08
5.2.160.0030.06011.14
5.2.150.0070.04311.03
5.2.140.0230.04711.20
5.2.130.0030.06011.01
5.2.120.0030.06311.16
5.2.110.0000.06311.10
5.2.100.0030.06011.26
5.2.90.0070.05711.11
5.2.80.0030.06310.99
5.2.70.0070.05711.11
5.2.60.0130.05311.21
5.2.50.0070.04010.96
5.2.40.0070.05710.90
5.2.30.0030.04010.91
5.2.20.0070.05710.88
5.2.10.0130.05010.99
5.2.00.0030.05310.71
5.1.60.0070.0479.89
5.1.50.0000.0379.93
5.1.40.0000.0539.94
5.1.30.0070.05310.26
5.1.20.0100.05310.34
5.1.10.0030.05310.21
5.1.00.0070.04010.04
5.0.50.0030.0478.50
5.0.40.0030.0438.55
5.0.30.0070.0408.04
5.0.20.0030.0438.16
5.0.10.0030.0438.24
5.0.00.0030.0578.11
4.4.90.0000.0377.81
4.4.80.0030.0337.81
4.4.70.0070.0337.81
4.4.60.0070.0307.81
4.4.50.0030.0337.81
4.4.40.0100.0237.81
4.4.30.0100.0277.81
4.4.20.0000.0337.81
4.4.10.0000.0407.81
4.4.00.0030.0407.81
4.3.110.0030.0337.81
4.3.100.0070.0307.81
4.3.90.0100.0277.81
4.3.80.0030.0537.81
4.3.70.0000.0337.81
4.3.60.0070.0307.81
4.3.50.0070.0307.81
4.3.40.0070.0437.81
4.3.30.0000.0207.81
4.3.20.0030.0377.81
4.3.10.0030.0337.81
4.3.00.0070.0237.81

preferences:
40.63 ms | 400 KiB | 5 Q