3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode(array('foo'=>'–')));

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)
8.3.60.0140.00716.50
8.3.50.0120.00619.85
8.3.40.0070.00718.72
8.3.30.0030.01018.84
8.3.20.0040.00420.21
8.3.10.0040.00423.51
8.3.00.0040.00419.26
8.2.180.0070.00716.63
8.2.170.0110.00422.96
8.2.160.0070.00720.52
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00720.90
8.2.110.0090.00021.07
8.2.100.0040.00717.66
8.2.90.0060.00319.10
8.2.80.0070.00017.97
8.2.70.0030.00617.50
8.2.60.0000.00717.91
8.2.50.0060.00318.10
8.2.40.0080.00020.66
8.2.30.0070.00018.99
8.2.20.0000.00817.50
8.2.10.0040.00417.94
8.2.00.0030.00617.61
8.1.270.0080.00023.96
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00323.91
8.1.230.0000.01017.52
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0080.00017.10
8.1.180.0060.00318.10
8.1.170.0040.00418.59
8.1.160.0000.00718.78
8.1.150.0080.00018.79
8.1.140.0040.00417.29
8.1.130.0000.00817.62
8.1.120.0000.00717.33
8.1.110.0050.00217.35
8.1.100.0030.00317.31
8.1.90.0040.00417.31
8.1.80.0000.00717.21
8.1.70.0050.00317.32
8.1.60.0000.00817.33
8.1.50.0030.00517.34
8.1.40.0090.00017.33
8.1.30.0000.00817.50
8.1.20.0070.00017.48
8.1.10.0000.00717.34
8.1.00.0040.00417.30
8.0.300.0000.00718.92
8.0.290.0040.00416.63
8.0.280.0000.00718.21
8.0.270.0030.00316.99
8.0.260.0000.00617.12
8.0.250.0070.00016.73
8.0.240.0030.00316.82
8.0.230.0030.00316.80
8.0.220.0070.00016.72
8.0.210.0000.00716.63
8.0.200.0060.00016.80
8.0.190.0000.00716.77
8.0.180.0000.00716.70
8.0.170.0040.00416.68
8.0.160.0030.00316.66
8.0.150.0050.00216.57
8.0.140.0030.00616.68
8.0.130.0040.00413.14
8.0.120.0050.00316.69
8.0.110.0070.00016.73
8.0.100.0000.00816.60
8.0.90.0050.00316.77
8.0.80.0110.00416.70
8.0.70.0000.00816.82
8.0.60.0000.00716.77
8.0.50.0050.00216.77
8.0.30.0060.01617.07
8.0.20.0120.00617.40
8.0.10.0040.00416.84
8.0.00.0070.01116.67
7.4.330.0000.00515.00
7.4.320.0000.00716.32
7.4.300.0000.00616.46
7.4.290.0000.00716.45
7.4.280.0030.00616.39
7.4.270.0030.00516.39
7.4.260.0000.00716.36
7.4.250.0040.00416.43
7.4.240.0050.00216.44
7.4.230.0070.00016.56
7.4.220.0070.01016.46
7.4.210.0150.00616.41
7.4.200.0040.00416.30
7.4.160.0040.01216.24
7.4.150.0070.01017.40
7.4.140.0090.01017.86
7.4.130.0070.01016.41
7.4.120.0140.00316.31
7.4.110.0100.00716.46
7.4.100.0130.01016.37
7.4.90.0060.01116.14
7.4.80.0070.01019.39
7.4.70.0110.01116.37
7.4.60.0100.00616.29
7.4.50.0000.00616.43
7.4.40.0190.00316.54
7.4.30.0110.00616.27
7.4.00.0090.00314.70
7.3.330.0070.00012.96
7.3.320.0030.00312.92
7.3.310.0040.00416.19
7.3.300.0070.00016.11
7.3.290.0110.00316.15
7.3.280.0060.01216.09
7.3.270.0000.01617.40
7.3.260.0070.01416.11
7.3.250.0090.00916.25
7.3.240.0140.00616.14
7.3.230.0160.00616.43
7.3.210.0100.00716.43
7.3.200.0060.00916.29
7.3.190.0030.01316.05
7.3.180.0060.01016.15
7.3.170.0000.01516.27
7.3.160.0050.01116.23
7.3.10.0030.00916.38
7.3.00.0040.00716.49
7.2.330.0170.00016.52
7.2.320.0060.01116.46
7.2.310.0120.00616.25
7.2.300.0080.01216.57
7.2.290.0100.01316.47
7.2.130.0030.01016.64
7.2.120.0000.00916.77
7.2.110.0110.00316.73
7.2.100.0040.01116.33
7.2.90.0030.01216.65
7.2.80.0060.00916.73
7.2.70.0060.00316.39
7.2.60.0070.01016.67
7.2.50.0100.00316.61
7.2.40.0060.00616.40
7.2.30.0000.01216.65
7.2.20.0000.01416.70
7.2.10.0040.00716.52
7.2.00.0060.00618.09
7.1.250.0040.00415.39
7.1.100.0040.00717.62
7.1.70.0000.01017.00
7.1.60.0100.01319.40
7.1.50.0100.01416.57
7.1.00.0030.07022.31
7.0.200.0050.00316.66
7.0.140.0030.07321.93
7.0.90.0600.08319.94
7.0.80.0400.05019.84
7.0.70.0500.05719.86
7.0.60.0630.05319.94
7.0.50.0770.06020.23
7.0.40.0100.05720.09
7.0.30.0070.08020.10
7.0.20.0130.07720.17
7.0.10.0130.06720.18
7.0.00.0130.05320.13
5.6.280.0030.07321.10
5.6.240.0070.04720.63
5.6.230.0130.05720.58
5.6.220.0070.06320.65
5.6.210.0070.08320.65
5.6.200.0070.08720.93
5.6.190.0100.08320.93
5.6.180.0100.07720.93
5.6.170.0100.08321.01
5.6.160.0070.08721.02
5.6.150.0100.08721.07
5.6.140.0130.05721.09
5.6.130.0070.08320.93
5.6.120.0030.09020.99
5.6.110.0170.07021.11
5.6.100.0130.06721.02
5.6.90.0170.05021.06
5.6.80.0100.05320.42
5.6.70.0130.04720.54
5.6.60.0000.08720.30
5.6.50.0000.04720.41
5.6.40.0000.05320.28
5.6.30.0070.08320.31
5.6.20.0030.05320.46
5.6.10.0070.04020.40
5.6.00.0030.07320.41
5.5.380.0100.07020.38
5.5.370.0070.08020.34
5.5.360.0070.04020.37
5.5.350.0070.09020.34
5.5.340.0130.07720.79
5.5.330.0130.07720.86
5.5.320.0070.08720.80
5.5.310.0100.08020.88
5.5.300.0030.04320.88
5.5.290.0100.08320.91
5.5.280.0000.05720.82
5.5.270.0100.05020.63
5.5.260.0130.06720.71
5.5.250.0070.06020.68
5.5.240.0200.07020.16
5.5.230.0100.08020.28
5.5.220.0100.06319.99
5.5.210.0030.06020.29
5.5.200.0070.06319.98
5.5.190.0070.08320.24
5.5.180.0030.05020.27
5.5.160.0100.07020.17
5.5.150.0300.06020.25
5.5.140.0130.07020.20
5.5.130.0070.07720.26
5.5.120.0100.07320.23
5.5.110.0130.07720.11
5.5.100.0070.05320.15
5.5.90.0100.07320.10
5.5.80.0070.04320.06
5.5.70.0070.06719.96
5.5.60.0070.03720.05
5.5.50.0070.03720.13
5.5.40.0030.04320.11
5.5.30.0030.04019.94
5.5.20.0030.04020.08
5.5.10.0070.03720.07
5.5.00.0070.03720.10
5.4.450.0030.08719.37
5.4.440.0030.04319.37
5.4.430.0030.08319.26
5.4.420.0030.06319.44
5.4.410.0200.06319.22
5.4.400.0000.06719.06
5.4.390.0030.05019.07
5.4.380.0000.05319.03
5.4.370.0130.07019.12
5.4.360.0100.03318.81
5.4.350.0030.07018.90
5.4.340.0030.06719.09
5.4.320.0070.07019.07
5.4.310.0100.05318.98
5.4.300.0100.07019.12
5.4.290.0000.08318.89
5.4.280.0030.08018.97
5.4.270.0030.08019.11
5.4.260.0030.06018.98
5.4.250.0170.04719.04
5.4.240.0070.06718.78
5.4.230.0030.06319.12
5.4.220.0030.05019.04
5.4.210.0070.04019.02
5.4.200.0100.03019.11
5.4.190.0100.04019.04
5.4.180.0000.04018.89
5.4.170.0030.04019.02
5.4.160.0100.03719.07
5.4.150.0000.04319.00
5.4.140.0030.03716.07
5.4.130.0070.04716.07
5.4.120.0030.03016.23
5.4.110.0070.02716.23
5.4.100.0100.02716.26
5.4.90.0100.06016.42
5.4.80.0130.06316.22
5.4.70.0000.07716.24
5.4.60.0200.05316.32
5.4.50.0070.04316.19
5.4.40.0000.03316.45
5.4.30.0000.03316.18
5.4.20.0070.03016.29
5.4.10.0000.04016.29
5.4.00.0000.06015.77
5.3.290.0100.07014.62
5.3.280.0030.04014.50
5.3.270.0030.04014.42
5.3.260.0030.04014.46
5.3.250.0100.03714.56
5.3.240.0100.03314.59
5.3.230.0070.06314.53
5.3.220.0000.07714.57
5.3.210.0000.03314.38
5.3.200.0070.03014.42
5.3.190.0100.03314.51
5.3.180.0000.06714.55
5.3.170.0100.07014.57
5.3.160.0030.03714.52
5.3.150.0100.03314.55
5.3.140.0030.03714.49
5.3.130.0030.04014.45
5.3.120.0000.04014.52
5.3.110.0000.04014.40
5.3.100.0030.04014.04
5.3.90.0000.03313.92
5.3.80.0070.04313.78
5.3.70.0070.04314.02
5.3.60.0030.03013.93
5.3.50.0030.03013.89
5.3.40.0030.04313.89
5.3.30.0070.04013.86
5.3.20.0000.05313.66
5.3.10.0000.03713.42
5.3.00.0030.04313.49
5.2.170.0030.03711.13
5.2.160.0000.03010.98
5.2.150.0030.03011.09
5.2.140.0000.04011.05
5.2.130.0000.03010.94
5.2.120.0030.02711.01
5.2.110.0070.04710.93
5.2.100.0070.03311.14
5.2.90.0030.02311.09
5.2.80.0000.05710.92
5.2.70.0000.03011.08
5.2.60.0070.06010.91
5.2.50.0030.03711.07
5.2.40.0000.03011.04
5.2.30.0000.06010.95
5.2.20.0000.03010.80
5.2.10.0000.03010.91
5.2.00.0030.02710.72
5.1.60.0030.0239.86
5.1.50.0000.0339.97
5.1.40.0000.0279.96
5.1.30.0000.03010.39
5.1.20.0030.04010.35
5.1.10.0000.05010.14
5.1.00.0000.0279.89
5.0.50.0000.0238.55
5.0.40.0000.0208.23
5.0.30.0000.0338.21
5.0.20.0030.0438.27
5.0.10.0000.0408.05
5.0.00.0000.0638.24
4.4.90.0000.0237.34
4.4.80.0030.0277.34
4.4.70.0000.0137.34
4.4.60.0030.0137.34
4.4.50.0000.0177.34
4.4.40.0000.0237.34
4.4.30.0000.0177.34
4.4.20.0000.0177.34
4.4.10.0000.0177.34
4.4.00.0000.0237.34
4.3.110.0030.0177.34
4.3.100.0000.0177.34
4.3.90.0030.0337.34
4.3.80.0070.0477.34
4.3.70.0000.0277.34
4.3.60.0070.0177.34
4.3.50.0000.0237.34
4.3.40.0030.0507.34
4.3.30.0000.0307.34
4.3.20.0000.0377.34
4.3.10.0000.0377.34
4.3.00.0030.0337.34

preferences:
53.03 ms | 400 KiB | 5 Q