3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { public function __toString() { return 'test'; } } $x = new x; echo json_encode(x);

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)
8.3.60.0070.01116.75
8.3.50.0160.00421.93
8.3.40.0150.00418.79
8.3.30.0110.00319.12
8.3.20.0050.00320.10
8.3.10.0040.00421.81
8.3.00.0090.00019.50
8.2.180.0120.00618.41
8.2.170.0040.01222.96
8.2.160.0070.00721.96
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0080.00019.48
8.2.110.0060.00319.16
8.2.100.0090.00317.75
8.2.90.0040.00419.26
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.92
8.2.50.0000.00918.07
8.2.40.0050.00319.79
8.2.30.0040.00418.06
8.2.20.0070.00017.62
8.2.10.0040.00417.93
8.2.00.0040.00417.85
8.1.280.0140.00425.92
8.1.270.0060.00318.83
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00023.91
8.1.230.0110.00017.54
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0090.00017.11
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0080.00018.66
8.1.160.0000.00722.05
8.1.150.0050.00318.89
8.1.140.0080.00017.45
8.1.130.0000.00717.82
8.1.120.0040.00417.45
8.1.110.0040.00417.40
8.1.100.0050.00317.34
8.1.90.0040.00417.41
8.1.80.0070.00017.38
8.1.70.0030.00317.45
8.1.60.0000.00817.63
8.1.50.0000.00817.42
8.1.40.0080.00417.38
8.1.30.0000.00817.63
8.1.20.0030.00617.61
8.1.10.0040.00417.53
8.1.00.0130.00017.55
8.0.300.0070.00018.77
8.0.290.0040.00416.60
8.0.280.0030.00318.44
8.0.270.0030.00317.19
8.0.260.0000.00818.31
8.0.250.0030.00316.95
8.0.240.0000.00716.88
8.0.230.0000.00716.91
8.0.220.0040.00316.95
8.0.210.0000.00716.98
8.0.200.0040.00417.00
8.0.190.0040.00417.05
8.0.180.0030.00516.93
8.0.170.0000.00817.00
8.0.160.0000.00716.89
8.0.150.0000.00716.91
8.0.140.0000.00716.78
8.0.130.0040.00413.39
8.0.120.0060.00316.84
8.0.110.0050.00316.86
8.0.100.0070.00016.84
8.0.90.0000.00717.06
8.0.80.0070.01016.90
8.0.70.0070.00016.90
8.0.60.0030.00616.85
8.0.50.0020.00516.91
8.0.30.0130.00817.09
8.0.20.0130.01017.40
8.0.10.0040.00417.07
8.0.00.0110.00816.69
7.4.330.0020.00215.16
7.4.320.0060.00016.48
7.4.300.0000.00616.43
7.4.290.0080.00016.48
7.4.280.0030.00616.50
7.4.270.0000.00716.50
7.4.260.0030.00316.46
7.4.250.0070.00016.45
7.4.240.0040.00416.62
7.4.230.0030.00316.39
7.4.220.0150.00316.56
7.4.210.0100.01116.55
7.4.200.0000.00716.44
7.4.160.0090.00616.54
7.4.150.0060.01617.40
7.4.140.0130.00817.86
7.4.130.0070.01216.57
7.4.120.0110.00616.54
7.4.110.0110.00716.57
7.4.100.0130.01016.44
7.4.90.0070.01016.45
7.4.80.0130.01319.39
7.4.70.0120.00416.39
7.4.60.0120.00616.51
7.4.50.0080.00016.72
7.4.40.0120.00616.46
7.4.30.0060.01116.55
7.4.00.0090.00614.93
7.3.330.0060.00013.26
7.3.320.0040.00813.26
7.3.310.0030.00316.25
7.3.300.0040.00416.12
7.3.290.0000.00716.24
7.3.280.0070.00716.21
7.3.270.0140.00317.40
7.3.260.0140.00316.31
7.3.250.0110.00816.23
7.3.240.0070.01016.45
7.3.230.0130.01016.47
7.3.210.0130.00616.36
7.3.200.0070.01419.39
7.3.190.0130.00316.38
7.3.180.0060.01016.38
7.3.170.0030.01416.36
7.3.160.0160.00816.44
7.3.10.0060.00616.31
7.3.00.0030.01016.60
7.2.330.0060.01216.50
7.2.320.0030.01416.38
7.2.310.0060.01216.58
7.2.300.0110.00616.44
7.2.290.0100.00716.61
7.2.130.0090.00316.70
7.2.120.0060.00916.85
7.2.110.0150.00316.68
7.2.100.0040.01116.63
7.2.90.0130.00316.95
7.2.80.0040.01416.64
7.2.70.0130.00717.00
7.2.60.0080.00916.75
7.2.50.0110.00716.77
7.2.40.0070.01016.82
7.2.30.0090.01316.84
7.2.20.0030.01716.96
7.2.10.0040.00716.89
7.2.00.0040.00918.13
7.1.250.0030.01015.65
7.1.200.0060.00615.61
7.1.100.0060.00317.93
7.1.70.0000.01117.07
7.1.60.0070.01719.50
7.1.50.0100.01416.80
7.1.00.0000.08022.57
7.0.200.0260.00716.50
7.0.140.0000.07722.00
7.0.90.0300.03719.81
7.0.80.0500.03019.93
7.0.70.0100.04019.80
7.0.60.0100.04319.91
7.0.50.0200.04020.34
7.0.40.0100.03020.18
7.0.30.0100.07020.08
7.0.20.0070.08020.14
7.0.10.0200.07020.07
7.0.00.0070.08020.00
5.6.280.0000.07320.91
5.6.240.0100.03720.61
5.6.230.0070.07320.52
5.6.220.0000.04720.63
5.6.210.0070.04020.56
5.6.200.0000.05321.07
5.6.190.0030.05720.95
5.6.180.0030.08720.94
5.6.170.0100.07720.96
5.6.160.0100.08320.95
5.6.150.0330.06021.11
5.6.140.0030.04321.08
5.6.130.0070.07721.02
5.6.120.0100.07720.96
5.6.110.0100.07321.07
5.6.100.0070.07321.04
5.6.90.0130.04021.06
5.6.80.0070.04320.46
5.6.70.0130.03720.40
5.6.60.0100.07020.31
5.6.50.0130.07020.39
5.6.40.0100.08020.31
5.6.30.0070.05720.38
5.6.20.0100.08020.46
5.6.10.0070.08020.44
5.6.00.0070.08020.29
5.5.380.0070.03720.32
5.5.370.0030.04320.45
5.5.360.0030.04020.40
5.5.350.0030.04020.29
5.5.340.0170.03020.80
5.5.330.0000.04720.93
5.5.320.0200.06320.87
5.5.310.0070.07020.86
5.5.300.0070.06320.63
5.5.290.0070.08320.83
5.5.280.0070.04720.76
5.5.270.0130.07320.77
5.5.260.0000.05720.82
5.5.250.0130.06320.61
5.5.240.0130.07320.20
5.5.230.0200.07020.27
5.5.220.0030.05020.29
5.5.210.0070.08020.14
5.5.200.0030.05020.21
5.5.190.0100.07720.14
5.5.180.0030.08320.22
5.5.160.0070.05720.25
5.5.150.0000.05320.22
5.5.140.0100.04319.99
5.5.130.0070.04320.11
5.5.120.0130.07320.28
5.5.110.0130.07720.11
5.5.100.0070.07020.07
5.5.90.0030.08020.11
5.5.80.0070.08320.05
5.5.70.0100.08020.06
5.5.60.0070.07020.09
5.5.50.0130.07020.16
5.5.40.0030.04720.13
5.5.30.0070.07320.05
5.5.20.0100.08020.08
5.5.10.0100.07020.11
5.5.00.0100.07720.03
5.4.450.0000.08719.43
5.4.440.0000.06019.46
5.4.430.0100.04019.27
5.4.420.0030.04319.36
5.4.410.0000.05019.33
5.4.400.0130.06718.88
5.4.390.0130.06719.18
5.4.380.0070.07319.02
5.4.370.0100.03319.18
5.4.360.0000.05018.95
5.4.350.0070.07019.03
5.4.340.0130.06719.13
5.4.320.0100.06719.14
5.4.310.0030.08018.95
5.4.300.0070.07318.88
5.4.290.0070.04719.16
5.4.280.0130.07019.04
5.4.270.0170.06719.23
5.4.260.0070.08019.03
5.4.250.0070.07719.17
5.4.240.0100.07319.23
5.4.230.0130.07019.14
5.4.220.0170.05019.02
5.4.210.0130.07019.23
5.4.200.0030.07719.04
5.4.190.0100.06719.03
5.4.180.0070.08019.03
5.4.170.0100.06718.94
5.4.160.0070.06019.12
5.4.150.0070.04319.14
5.4.140.0000.04016.37
5.4.130.0100.04716.14
5.4.120.0070.07016.44
5.4.110.0030.05016.45
5.4.100.0030.07316.47
5.4.90.0030.06016.36
5.4.80.0000.04716.38
5.4.70.0000.05716.32
5.4.60.0130.06716.47
5.4.50.0030.03716.47
5.4.40.0100.03016.48
5.4.30.0100.04016.33
5.4.20.0030.04716.43
5.4.10.0100.03716.40
5.4.00.0030.07715.80
5.3.290.0100.05014.67
5.3.280.0130.07014.64
5.3.270.0170.06714.54
5.3.260.0070.08014.72
5.3.250.0070.04014.65
5.3.240.0070.07014.66
5.3.230.0170.06314.71
5.3.220.0000.05714.63
5.3.210.0030.07714.61
5.3.200.0070.03714.55
5.3.190.0030.06014.55
5.3.180.0070.07714.61
5.3.170.0070.06314.51
5.3.160.0000.08014.57
5.3.150.0070.04314.52
5.3.140.0100.07014.53
5.3.130.0030.06014.55
5.3.120.0170.02714.62
5.3.110.0000.05014.68
5.3.100.0130.07314.04
5.3.90.0100.04714.01
5.3.80.0070.06714.05
5.3.70.0070.07713.97
5.3.60.0200.05313.98
5.3.50.0070.06713.84
5.3.40.0170.03313.98
5.3.30.0070.06714.01
5.3.20.0070.07713.66
5.3.10.0030.05313.73
5.3.00.0100.07013.66
5.2.170.0030.03711.20
5.2.160.0070.05711.13
5.2.150.0070.06311.07
5.2.140.0070.05711.25
5.2.130.0030.06011.03
5.2.120.0030.04011.01
5.2.110.0030.06311.11
5.2.100.0070.06011.15
5.2.90.0030.06311.09
5.2.80.0100.05711.16
5.2.70.0000.07011.10
5.2.60.0070.03711.07
5.2.50.0030.03011.15
5.2.40.0030.06710.92
5.2.30.0100.04710.85
5.2.20.0000.06711.02
5.2.10.0000.05010.85
5.2.00.0030.04310.66
5.1.60.0070.0279.98
5.1.50.0070.02710.05
5.1.40.0100.0479.96
5.1.30.0130.05010.26
5.1.20.0030.05010.35
5.1.10.0000.03710.07
5.1.00.0070.04310.12
5.0.50.0070.0408.55
5.0.40.0000.0308.25
5.0.30.0100.0608.29
5.0.20.0030.0438.26
5.0.10.0070.0378.02
5.0.00.0030.0608.16
4.4.90.0000.0376.85
4.4.80.0000.0236.85
4.4.70.0000.0406.85
4.4.60.0000.0376.85
4.4.50.0000.0376.85
4.4.40.0000.0336.85
4.4.30.0030.0336.85
4.4.20.0000.0306.85
4.4.10.0070.0336.85
4.4.00.0000.0476.85
4.3.110.0030.0206.85
4.3.100.0000.0206.85
4.3.90.0000.0336.85
4.3.80.0000.0336.85
4.3.70.0000.0236.85
4.3.60.0030.0136.85
4.3.50.0000.0236.85
4.3.40.0070.0276.85
4.3.30.0030.0236.85
4.3.20.0000.0236.85
4.3.10.0000.0376.85
4.3.00.0000.0276.85

preferences:
42.12 ms | 401 KiB | 5 Q