3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode("no unicode: \xEF"));

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)
8.3.40.0120.00618.62
8.3.30.0070.00719.02
8.3.20.0040.00420.21
8.3.10.0040.00422.11
8.3.00.0050.00322.57
8.2.170.0120.00422.96
8.2.160.0070.01020.70
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00719.64
8.2.110.0000.01022.21
8.2.100.0060.00617.66
8.2.90.0030.00518.95
8.2.80.0000.00817.97
8.2.70.0080.00017.38
8.2.60.0030.00517.68
8.2.50.0000.00818.07
8.2.40.0070.00017.91
8.2.30.0040.00417.97
8.2.20.0030.00617.50
8.2.10.0040.00417.42
8.2.00.0040.00417.59
8.1.270.0040.00424.02
8.1.260.0030.00726.35
8.1.250.0040.00428.09
8.1.240.0050.00323.91
8.1.230.0040.00719.02
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00517.39
8.1.180.0040.00418.10
8.1.170.0050.00318.47
8.1.160.0100.00021.87
8.1.150.0000.00718.50
8.1.140.0040.00417.32
8.1.130.0030.00317.70
8.1.120.0000.00717.17
8.1.110.0050.00217.20
8.1.100.0030.00317.36
8.1.90.0040.00717.34
8.1.80.0040.00417.30
8.1.70.0000.00717.29
8.1.60.0000.00817.34
8.1.50.0000.00717.39
8.1.40.0000.00817.32
8.1.30.0030.00617.41
8.1.20.0040.00417.45
8.1.10.0040.00417.36
8.1.00.0050.00317.30
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0070.00018.17
8.0.270.0030.00317.08
8.0.260.0000.00716.64
8.0.250.0030.00316.82
8.0.240.0000.00716.82
8.0.230.0030.00316.86
8.0.220.0030.00316.64
8.0.210.0000.00616.82
8.0.200.0030.00316.82
8.0.190.0000.00916.77
8.0.180.0000.00816.75
8.0.170.0040.00416.81
8.0.160.0050.00316.68
8.0.150.0050.00316.75
8.0.140.0030.00516.71
8.0.130.0000.00513.25
8.0.120.0000.00716.75
8.0.110.0050.00316.69
8.0.100.0000.00716.74
8.0.90.0070.00016.76
8.0.80.0040.01416.72
8.0.70.0040.00416.65
8.0.60.0050.00316.79
8.0.50.0000.00716.63
8.0.30.0060.01216.92
8.0.20.0120.00717.40
8.0.10.0040.00416.91
8.0.00.0100.00716.70
7.4.330.0060.00015.00
7.4.320.0030.00316.30
7.4.300.0000.00616.37
7.4.290.0070.00016.35
7.4.280.0030.00316.48
7.4.270.0040.00716.41
7.4.260.0030.00316.25
7.4.250.0030.00316.37
7.4.240.0050.00216.31
7.4.230.0000.00716.48
7.4.220.0070.01016.49
7.4.210.0110.00416.39
7.4.200.0000.00716.51
7.4.190.0000.00716.55
7.4.160.0080.00816.31
7.4.150.0110.00717.40
7.4.140.0080.01117.86
7.4.130.0110.00916.40
7.4.120.0150.00616.23
7.4.110.0120.00616.27
7.4.100.0060.01016.45
7.4.90.0120.00616.22
7.4.80.0030.01519.39
7.4.70.0100.00616.32
7.4.60.0090.00616.25
7.4.50.0000.00816.22
7.4.40.0000.01622.77
7.4.30.0090.00615.98
7.4.00.0060.00814.64
7.3.330.0030.00312.97
7.3.320.0050.00012.96
7.3.310.0070.00015.95
7.3.300.0030.00316.16
7.3.290.0060.00916.15
7.3.280.0080.01116.13
7.3.270.0180.00617.40
7.3.260.0090.01516.11
7.3.250.0140.00616.34
7.3.240.0070.01016.31
7.3.230.0130.00316.39
7.3.210.0150.00916.07
7.3.200.0090.00919.39
7.3.190.0140.00916.21
7.3.180.0080.00816.23
7.3.170.0130.00316.27
7.3.160.0140.00416.06
7.3.120.0080.00914.72
7.3.110.0060.01014.64
7.3.100.0050.00914.73
7.3.90.0090.00614.82
7.3.80.0090.00214.63
7.3.70.0070.00514.75
7.3.60.0060.00514.48
7.3.50.0080.00614.61
7.3.40.0100.00514.60
7.3.30.0090.00414.74
7.3.20.0070.00716.42
7.3.10.0060.00616.39
7.3.00.0050.00916.33
7.2.330.0160.00416.39
7.2.320.0060.01216.54
7.2.310.0190.00316.25
7.2.300.0080.00816.51
7.2.290.0080.00816.50
7.2.250.0080.01014.75
7.2.240.0090.00914.76
7.2.230.0030.01114.62
7.2.220.0070.00515.06
7.2.210.0040.00914.95
7.2.200.0120.00314.64
7.2.190.0060.00914.86
7.2.180.0050.00914.91
7.2.170.0050.00614.76
7.2.130.0070.01016.29
7.2.120.0160.00916.55
7.2.110.0140.01416.39
7.2.100.0250.00516.68
7.2.90.0120.00616.66
7.2.80.0100.01716.47
7.2.70.0190.00716.34
7.2.60.0050.00916.54
7.2.50.0120.00416.54
7.2.40.0120.00616.88
7.2.30.0110.00716.47
7.2.20.0240.00016.48
7.2.10.0120.00616.53
7.2.00.0050.00817.90
7.1.330.0040.01315.56
7.1.320.0070.00315.59
7.1.310.0020.00915.65
7.1.300.0090.00415.70
7.1.290.0050.00815.62
7.1.280.0030.00715.63
7.1.270.0090.00615.65
7.1.260.0030.00915.54
7.1.250.0120.01415.31
7.1.240.0190.00415.58
7.1.230.0140.00715.59
7.1.220.0100.01015.32
7.1.210.0100.00915.30
7.1.200.0070.00915.64
7.1.190.0120.01215.41
7.1.180.0100.01015.70
7.1.170.0070.01015.46
7.1.160.0080.00415.71
7.1.150.0170.00315.50
7.1.140.0130.00315.55
7.1.130.0080.00815.46
7.1.120.0090.00615.47
7.1.110.0070.01115.63
7.1.100.0090.00316.59
7.1.90.0160.00015.24
7.1.80.0070.01115.69
7.1.70.0140.00316.29
7.1.60.0060.01517.47
7.1.50.0120.00616.01
7.1.40.0070.01015.55
7.1.30.0070.00715.59
7.1.20.0060.01115.33
7.1.10.0190.00315.40
7.1.00.0100.04018.84
7.0.330.0030.01414.86
7.0.320.0110.00714.86
7.0.310.0100.01015.25
7.0.300.0150.00315.17
7.0.290.0070.00715.18
7.0.280.0040.00815.08
7.0.270.0060.00914.97
7.0.260.0130.00315.13
7.0.250.0180.00415.21
7.0.240.0180.00415.36
7.0.230.0100.00615.21
7.0.220.0160.00415.25
7.0.210.0100.00614.86
7.0.200.0080.00815.92
7.0.190.0080.00815.14
7.0.180.0070.01014.98
7.0.170.0080.00415.16
7.0.160.0210.00315.30
7.0.150.0090.01215.29
7.0.140.0130.03518.57
7.0.130.0090.00614.95
7.0.120.0180.00915.28
7.0.110.0140.00015.00
7.0.100.0100.00715.18
7.0.90.0070.04417.62
7.0.80.0040.04417.42
7.0.70.0100.04717.34
7.0.60.0130.02817.66
7.0.50.0080.04017.85
7.0.40.0020.03016.57
7.0.30.0090.02916.61
7.0.20.0020.04916.70
7.0.10.0120.02216.46
7.0.00.0080.02216.73
5.6.380.0000.01314.10
5.6.370.0040.01113.93
5.6.360.0050.01113.93
5.6.350.0030.00713.85
5.6.340.0060.01113.74
5.6.330.0110.00314.15
5.6.320.0040.01313.93
5.6.310.0070.01413.95
5.6.300.0050.01414.26
5.6.290.0050.01514.04
5.6.280.0100.04017.61
5.6.270.0080.01114.01
5.6.260.0060.01813.81
5.6.250.0090.01214.06
5.6.240.0040.04317.34
5.6.230.0080.03517.31
5.6.220.0090.03217.20
5.6.210.0030.02717.32
5.6.200.0030.03117.51
5.6.190.0040.02617.43
5.6.180.0100.03817.30
5.6.170.0050.02817.41
5.6.160.0040.03017.49
5.6.150.0110.03217.46
5.6.140.0140.01917.50
5.6.130.0130.04617.59
5.6.120.0070.02917.61
5.6.110.0100.02217.58
5.6.100.0030.02417.39
5.6.90.0080.02217.39
5.6.80.0030.02217.14
5.6.70.0050.03017.04
5.6.60.0050.02417.12
5.6.50.0070.01817.07
5.6.40.0090.01917.22
5.6.30.0060.02017.16
5.6.20.0050.04117.30
5.6.10.0000.04117.08
5.6.00.0060.04317.19
5.5.380.0030.03115.41
5.5.370.0070.04415.44
5.5.360.0070.02315.66
5.5.350.0080.03315.53
5.5.340.0080.02115.75
5.5.330.0030.02015.83
5.5.320.0050.02215.82
5.5.310.0070.02115.84
5.5.300.0040.02515.82
5.5.290.0050.02515.81
5.5.280.0050.02015.73
5.5.270.0080.02015.79
5.5.260.0060.04215.78
5.5.250.0090.01815.54
5.5.240.0100.01515.40
5.5.230.0100.02015.30
5.5.220.0020.02815.53
5.5.210.0020.02615.41
5.5.200.0080.01915.39
5.5.190.0020.02515.55
5.5.180.0020.02715.32
5.5.170.0060.00310.63
5.5.160.0030.04315.48
5.5.150.0070.04415.37
5.5.140.0050.03915.42
5.5.130.0020.03415.44
5.5.120.0110.03915.30
5.5.110.0060.02615.33
5.5.100.0030.03515.32
5.5.90.0100.03715.33
5.5.80.0090.04115.49
5.5.70.0030.02715.32
5.5.60.0110.01815.36
5.5.50.0050.03115.14
5.5.40.0050.04315.23
5.5.30.0120.03715.32
5.5.20.0050.03615.12
5.5.10.0080.03015.40
5.5.00.0080.04015.42
5.4.450.0010.02915.12
5.4.440.0030.02214.99
5.4.430.0070.03414.77
5.4.420.0070.02214.95
5.4.410.0040.02014.87
5.4.400.0040.02114.88
5.4.390.0070.02014.78
5.4.380.0050.02014.81
5.4.370.0050.02914.94
5.4.360.0080.02514.78
5.4.350.0070.01814.61
5.4.340.0080.01714.80
5.4.330.0000.00510.61
5.4.320.0070.04214.82
5.4.310.0030.04314.95
5.4.300.0070.03915.06
5.4.290.0050.04014.91
5.4.280.0010.04114.90
5.4.270.0010.04014.95
5.4.260.0050.03814.87
5.4.250.0060.04514.66
5.4.240.0050.03515.00
5.4.230.0050.03214.78
5.4.220.0080.03814.79
5.4.210.0100.03514.64
5.4.200.0080.03714.56
5.4.190.0100.03714.71
5.4.180.0080.03414.76
5.4.170.0100.03414.73
5.4.160.0090.03614.90
5.4.150.0050.04314.61
5.4.140.0050.04213.48
5.4.130.0000.03113.39
5.4.120.0050.02513.52
5.4.110.0030.03213.53
5.4.100.0120.03313.38
5.4.90.0050.03713.38
5.4.80.0080.02513.51
5.4.70.0020.04013.42
5.4.60.0050.02613.46
5.4.50.0070.02313.51
5.4.40.0050.03513.53
5.4.30.0070.03513.38
5.4.20.0020.03013.44
5.4.10.0030.02313.39
5.4.00.0060.03513.09
5.3.290.0060.04112.30
5.3.280.0060.03112.30
5.3.270.0080.03812.44
5.3.260.0040.02712.45
5.3.250.0050.04012.37
5.3.240.0050.03712.32
5.3.230.0020.02312.32
5.3.220.0070.03612.41
5.3.210.0040.02712.37
5.3.200.0000.02912.37
5.3.190.0050.04012.42
5.3.180.0040.04012.35
5.3.170.0080.02512.32
5.3.160.0050.04212.47
5.3.150.0030.03412.47
5.3.140.0100.03012.49
5.3.130.0030.04312.44
5.3.120.0030.03012.43
5.3.110.0050.03512.36
5.3.100.0030.02812.12
5.3.90.0050.04112.06
5.3.80.0080.03611.93
5.3.70.0040.03211.95
5.3.60.0110.03712.14
5.3.50.0050.02612.06
5.3.40.0030.04312.04
5.3.30.0030.02411.99
5.3.20.0030.02911.93
5.3.10.0100.02511.81
5.3.00.0070.03711.62
5.2.170.0100.03010.23
5.2.160.0040.02810.18
5.2.150.0050.03210.34
5.2.140.0000.02310.22
5.2.130.0030.03310.13
5.2.120.0020.03410.23
5.2.110.0040.03210.05
5.2.100.0070.03210.08
5.2.90.0030.03310.13
5.2.80.0060.03010.07
5.2.70.0030.0349.88
5.2.60.0030.02210.13
5.2.50.0070.03210.13
5.2.40.0050.02210.16
5.2.30.0120.02510.14
5.2.20.0100.0229.92
5.2.10.0080.0309.97
5.2.00.0030.0309.76
5.1.60.0030.0279.06
5.1.50.0020.0309.14
5.1.40.0080.0199.24
5.1.30.0040.0179.44
5.1.20.0050.0179.39
5.1.10.0030.0249.28
5.1.00.0000.0219.12
5.0.50.0070.0158.38
5.0.40.0040.0188.29
5.0.30.0060.0308.22
5.0.20.0050.0208.21
5.0.10.0040.0208.16
5.0.00.0080.0188.09
4.4.90.0020.0197.74
4.4.80.0020.0257.74
4.4.70.0000.0217.74
4.4.60.0020.0157.74
4.4.50.0000.0137.74
4.4.40.0000.0277.74
4.4.30.0080.0107.74
4.4.20.0050.0137.74
4.4.10.0040.0167.74
4.4.00.0050.0257.74
4.3.110.0060.0157.74
4.3.100.0000.0217.74
4.3.90.0000.0217.74
4.3.80.0010.0167.74
4.3.70.0050.0107.74
4.3.60.0030.0077.74
4.3.50.0050.0187.74
4.3.40.0020.0227.74
4.3.30.0020.0197.74
4.3.20.0070.0107.74
4.3.10.0020.0107.74
4.3.00.0030.0187.74

preferences:
44.37 ms | 400 KiB | 5 Q