3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode(array("\xFF"=>"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)
8.3.70.0070.01018.06
8.3.60.0070.00716.25
8.3.50.0070.01121.88
8.3.40.0150.00018.59
8.3.30.0070.01318.75
8.3.20.0080.00020.18
8.3.10.0040.00421.82
8.3.00.0080.00019.25
8.2.190.0070.01116.58
8.2.180.0120.00616.38
8.2.170.0130.00322.96
8.2.160.0140.00020.48
8.2.150.0150.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0080.00019.11
8.2.110.0090.00021.11
8.2.100.0040.01317.77
8.2.90.0040.00418.95
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0000.00917.80
8.2.50.0030.00618.10
8.2.40.0030.00619.95
8.2.30.0000.00817.98
8.2.20.0030.00617.45
8.2.10.0080.00017.92
8.2.00.0020.00517.55
8.1.280.0150.00625.92
8.1.270.0040.01518.78
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0060.00617.70
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0050.00320.35
8.1.160.0050.00321.88
8.1.150.0080.00018.68
8.1.140.0030.00517.31
8.1.130.0000.00717.22
8.1.120.0030.00717.23
8.1.110.0060.00317.29
8.1.100.0070.00017.31
8.1.90.0070.00417.27
8.1.80.0030.00317.29
8.1.70.0000.00717.21
8.1.60.0080.00017.48
8.1.50.0050.00317.26
8.1.40.0000.00717.28
8.1.30.0080.00017.38
8.1.20.0080.00017.42
8.1.10.0040.00417.41
8.1.00.0090.00317.23
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.21
8.0.270.0030.00617.13
8.0.260.0030.00316.54
8.0.250.0030.00316.85
8.0.240.0000.00616.86
8.0.230.0000.00716.70
8.0.220.0070.00016.76
8.0.210.0030.00316.77
8.0.200.0070.00016.72
8.0.190.0040.00416.74
8.0.180.0070.00016.74
8.0.170.0040.00416.84
8.0.160.0030.00516.78
8.0.150.0000.00816.76
8.0.140.0050.00316.67
8.0.130.0050.00013.19
8.0.120.0080.00016.75
8.0.110.0020.00516.77
8.0.100.0040.00416.71
8.0.90.0000.00816.82
8.0.80.0070.01416.63
8.0.70.0040.00416.77
8.0.60.0050.00216.66
8.0.50.0040.00416.61
8.0.30.0100.01416.98
8.0.20.0070.01317.40
8.0.10.0070.00016.83
8.0.00.0080.00816.62
7.4.330.0020.00215.03
7.4.320.0000.00716.38
7.4.300.0000.00616.29
7.4.290.0000.00716.51
7.4.280.0040.00416.45
7.4.270.0000.00716.36
7.4.260.0000.00716.43
7.4.250.0000.00816.43
7.4.240.0050.00216.32
7.4.230.0070.00016.16
7.4.220.0080.01116.52
7.4.210.0100.00716.34
7.4.200.0000.00716.47
7.4.160.0120.00316.22
7.4.150.0090.00917.40
7.4.140.0070.01417.86
7.4.130.0100.00816.32
7.4.120.0060.01116.33
7.4.110.0130.00916.43
7.4.100.0130.01016.35
7.4.90.0130.00416.34
7.4.80.0110.00719.39
7.4.70.0070.01016.10
7.4.60.0150.00716.35
7.4.50.0000.00416.15
7.4.40.0090.00616.28
7.4.30.0070.01016.45
7.4.00.0070.01114.76
7.3.330.0050.00012.96
7.3.320.0140.00013.06
7.3.310.0030.00516.01
7.3.300.0030.00315.96
7.3.290.0080.00616.14
7.3.280.0080.00916.13
7.3.270.0130.00417.40
7.3.260.0170.00416.16
7.3.250.0080.01516.15
7.3.240.0080.00816.52
7.3.230.0030.01316.39
7.3.210.0160.00616.13
7.3.200.0130.00319.39
7.3.190.0090.00616.18
7.3.180.0070.01416.09
7.3.170.0130.00616.27
7.3.160.0060.01516.15
7.3.10.0230.00716.33
7.3.00.0130.00516.29
7.2.330.0100.00716.27
7.2.320.0040.01116.63
7.2.310.0130.00616.39
7.2.300.0130.00416.49
7.2.290.0130.00316.52
7.2.130.0170.00616.40
7.2.120.0150.00816.72
7.2.110.0120.00916.56
7.2.100.0170.00616.67
7.2.90.0190.00416.63
7.2.80.0240.00916.54
7.2.70.0070.00716.54
7.2.60.0160.00616.69
7.2.50.0110.00616.39
7.2.40.0090.00716.48
7.2.30.0230.00716.69
7.2.20.0100.01016.57
7.2.10.0150.00216.57
7.2.00.0090.00617.11
7.1.250.0090.01015.56
7.1.240.0110.00315.61
7.1.230.0060.00915.78
7.1.220.0110.00415.77
7.1.210.0030.00715.71
7.1.200.0050.00815.49
7.1.190.0030.00715.55
7.1.180.0000.00715.44
7.1.170.0030.00515.54
7.1.160.0060.00615.75
7.1.150.0000.01215.47
7.1.140.0140.00015.86
7.1.130.0090.00315.63
7.1.120.0030.00715.75
7.1.110.0070.00315.56
7.1.100.0020.00816.92
7.1.90.0030.00915.70
7.1.80.0070.00715.72
7.1.70.0070.00316.44
7.1.60.0050.01517.56
7.1.50.0070.00216.23
7.1.40.0050.00515.38
7.1.30.0040.00815.61
7.1.20.0000.01015.33
7.1.10.0060.00915.40
7.1.00.0090.04418.80
7.0.330.0080.00415.05
7.0.320.0060.00615.25
7.0.310.0090.00415.07
7.0.300.0040.00915.17
7.0.290.0130.00015.00
7.0.280.0000.01215.21
7.0.270.0030.01015.27
7.0.260.0000.01415.26
7.0.250.0070.01015.39
7.0.240.0030.00715.36
7.0.230.0110.00415.24
7.0.220.0060.00615.34
7.0.210.0000.01215.19
7.0.200.0310.01014.93
7.0.190.0040.01115.42
7.0.180.0040.01115.32
7.0.170.0120.00615.29
7.0.160.0040.00714.83
7.0.150.0100.00315.26
7.0.140.0050.03418.61
7.0.130.0000.00915.09
7.0.120.0070.00315.44
7.0.110.0100.00015.09
7.0.100.0040.00415.08
7.0.90.0290.02117.53
7.0.80.0320.04517.46
7.0.70.0190.02717.34
7.0.60.0370.03317.56
7.0.50.0370.03717.65
7.0.40.0050.02716.73
7.0.30.0030.02516.66
7.0.20.0020.03116.81
7.0.10.0050.02716.75
7.0.00.0020.02616.63
5.6.380.0000.00814.55
5.6.370.0100.00314.02
5.6.360.0000.01013.89
5.6.350.0030.01014.02
5.6.340.0030.00913.89
5.6.330.0060.00414.24
5.6.320.0070.00414.14
5.6.310.0100.00314.17
5.6.300.0000.00813.97
5.6.290.0040.00814.15
5.6.280.0060.03517.61
5.6.270.0040.00714.19
5.6.260.0060.00314.15
5.6.250.0030.01113.83
5.6.240.0080.03817.21
5.6.230.0080.04217.20
5.6.220.0110.02817.36
5.6.210.0120.03817.21
5.6.200.0070.02817.54
5.6.190.0080.02817.57
5.6.180.0020.02617.39
5.6.170.0050.02317.51
5.6.160.0070.02817.45
5.6.150.0040.02517.60
5.6.140.0030.02717.47
5.6.130.0070.02317.45
5.6.120.0070.03117.44
5.6.110.0080.02017.54
5.6.100.0020.02817.55
5.6.90.0080.03617.44
5.6.80.0090.02017.37
5.6.70.0040.02617.28
5.6.60.0040.02317.12
5.6.50.0080.01817.21
5.6.40.0050.03217.37
5.6.30.0050.02317.22
5.6.20.0020.02317.19
5.6.10.0050.01917.06
5.6.00.0030.02217.23
5.5.380.0100.03915.64
5.5.370.0070.03015.52
5.5.360.0050.04015.54
5.5.350.0000.03115.48
5.5.340.0100.03815.82
5.5.330.0050.04015.82
5.5.320.0030.02515.77
5.5.310.0020.02515.82
5.5.300.0030.02215.65
5.5.290.0050.03215.97
5.5.280.0110.01615.89
5.5.270.0050.02015.95
5.5.260.0070.02215.87
5.5.250.0020.02515.67
5.5.240.0050.02015.52
5.5.230.0020.02215.54
5.5.220.0030.02315.51
5.5.210.0040.02215.51
5.5.200.0050.02015.57
5.5.190.0070.01815.41
5.5.180.0050.03715.53
5.5.170.0020.01010.89
5.5.160.0080.02315.51
5.5.150.0020.02415.30
5.5.140.0030.02115.44
5.5.130.0030.02315.41
5.5.120.0040.02915.48
5.5.110.0010.02115.43
5.5.100.0050.02115.46
5.5.90.0000.02215.46
5.5.80.0070.01815.56
5.5.70.0060.01915.41
5.5.60.0030.02715.49
5.5.50.0050.02015.35
5.5.40.0020.03015.29
5.5.30.0080.03415.44
5.5.20.0020.02615.40
5.5.10.0020.02515.48
5.5.00.0100.03815.41
5.4.450.0040.02015.12
5.4.440.0030.02315.18
5.4.430.0050.02515.08
5.4.420.0020.02015.04
5.4.410.0000.02415.06
5.4.400.0020.02214.89
5.4.390.0020.01914.86
5.4.380.0050.02214.68
5.4.370.0020.02014.90
5.4.360.0010.02414.76
5.4.350.0040.02714.81
5.4.340.0060.01614.91
5.4.330.0030.00310.89
5.4.320.0030.03914.85
5.4.310.0030.02214.92
5.4.300.0030.03214.89
5.4.290.0080.01714.72
5.4.280.0050.02514.76
5.4.270.0050.04214.60
5.4.260.0060.01914.82
5.4.250.0040.02014.76
5.4.240.0110.01314.94
5.4.230.0020.02214.84
5.4.220.0140.01514.78
5.4.210.0020.02114.84
5.4.200.0070.01514.61
5.4.190.0050.04214.79
5.4.180.0060.02214.79
5.4.170.0030.03814.75
5.4.160.0020.02614.82
5.4.150.0090.03714.89
5.4.140.0020.04313.42
5.4.130.0030.03613.49
5.4.120.0030.03613.27
5.4.110.0100.03513.43
5.4.100.0020.03613.48
5.4.90.0070.03713.58
5.4.80.0040.02613.48
5.4.70.0030.02313.49
5.4.60.0100.03413.38
5.4.50.0050.04213.44
5.4.40.0070.03713.61
5.4.30.0030.04013.54
5.4.20.0050.03913.38
5.4.10.0100.03813.50
5.4.00.0050.03613.12
5.3.290.0070.02312.46
5.3.280.0110.01712.44
5.3.270.0050.03512.53
5.3.260.0080.03212.47
5.3.250.0030.03812.46
5.3.240.0070.04112.43
5.3.230.0120.03312.50
5.3.220.0030.03912.39
5.3.210.0050.04012.35
5.3.200.0040.02412.30
5.3.190.0080.04012.47
5.3.180.0060.03312.44
5.3.170.0030.03512.42
5.3.160.0110.03812.51
5.3.150.0050.03512.40
5.3.140.0040.03912.39
5.3.130.0050.03712.48
5.3.120.0080.03712.39
5.3.110.0050.04312.44
5.3.100.0120.03712.16
5.3.90.0080.01712.07
5.3.80.0050.02712.06
5.3.70.0030.02312.08
5.3.60.0080.02112.11
5.3.50.0050.03712.11
5.3.40.0060.03012.05
5.3.30.0130.03112.01
5.3.20.0110.03311.96
5.3.10.0060.03611.79
5.3.00.0030.03611.80
5.2.170.0070.03010.57
5.2.160.0020.03310.47
5.2.150.0050.03710.52
5.2.140.0030.02810.58
5.2.130.0010.03410.51
5.2.120.0130.02610.46
5.2.110.0030.03110.53
5.2.100.0050.02510.44
5.2.90.0020.03310.44
5.2.80.0020.03810.55
5.2.70.0060.02710.53
5.2.60.0020.03710.49
5.2.50.0030.02510.40
5.2.40.0140.01510.50
5.2.30.0030.03610.49
5.2.20.0020.03510.39
5.2.10.0040.02710.37
5.2.00.0080.02810.27
5.1.60.0000.0329.90
5.1.50.0030.03210.00
5.1.40.0030.0299.98
5.1.30.0080.01610.16
5.1.20.0030.02810.11
5.1.10.0060.02510.04
5.1.00.0050.01710.04
5.0.50.0020.0169.26
5.0.40.0020.0239.20
5.0.30.0050.0209.09
5.0.20.0020.0179.00
5.0.10.0070.0129.07
5.0.00.0010.0289.11
4.4.90.0020.0248.63
4.4.80.0000.0218.63
4.4.70.0020.0178.63
4.4.60.0000.0228.63
4.4.50.0030.0158.63
4.4.40.0020.0208.63
4.4.30.0050.0138.63
4.4.20.0000.0178.63
4.4.10.0010.0258.63
4.4.00.0050.0308.63
4.3.110.0050.0158.63
4.3.100.0020.0218.63
4.3.90.0010.0118.63
4.3.80.0050.0168.63
4.3.70.0020.0148.63
4.3.60.0010.0098.63
4.3.50.0020.0168.63
4.3.40.0030.0238.63
4.3.30.0040.0158.63
4.3.20.0070.0188.63
4.3.10.0020.0188.63
4.3.00.0030.0188.63

preferences:
54.91 ms | 401 KiB | 5 Q