3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = chr(0xd0) . chr(0x95) . chr(0xd1) . chr(0x91); var_dump(json_encode($data));

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)
8.3.60.0170.00318.40
8.3.50.0130.00721.94
8.3.40.0060.00918.40
8.3.30.0110.00418.89
8.3.20.0020.00520.13
8.3.10.0060.00321.95
8.3.00.0140.00022.51
8.2.180.0120.00316.32
8.2.170.0060.00922.96
8.2.160.0140.00022.07
8.2.150.0040.00424.18
8.2.140.0130.00724.66
8.2.130.0070.00026.16
8.2.120.0050.00319.48
8.2.110.0060.00320.47
8.2.100.0090.00317.91
8.2.90.0000.00817.84
8.2.80.0040.00417.97
8.2.70.0040.00417.80
8.2.60.0050.00318.09
8.2.50.0050.00318.10
8.2.40.0040.00419.39
8.2.30.0040.00419.15
8.2.20.0000.00717.66
8.2.10.0070.00017.51
8.2.00.0040.00417.52
8.1.280.0070.00725.92
8.1.270.0040.00423.83
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0070.00717.35
8.1.230.0080.00422.63
8.1.220.0090.00017.74
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0090.00317.22
8.1.180.0050.00318.10
8.1.170.0000.00818.34
8.1.160.0070.00018.68
8.1.150.0000.00718.56
8.1.140.0040.00417.33
8.1.130.0030.00317.37
8.1.120.0000.00717.41
8.1.110.0040.00417.38
8.1.100.0030.00717.36
8.1.90.0080.00017.26
8.1.80.0030.00317.42
8.1.70.0070.00017.34
8.1.60.0060.00317.54
8.1.50.0080.00017.34
8.1.40.0070.00017.30
8.1.30.0000.00817.45
8.1.20.0030.00517.61
8.1.10.0020.00517.33
8.1.00.0020.00517.26
8.0.300.0000.01219.35
8.0.290.0080.00016.63
8.0.280.0030.00318.28
8.0.270.0030.00316.72
8.0.260.0000.00716.70
8.0.250.0070.00016.82
8.0.240.0040.00416.88
8.0.230.0000.00716.88
8.0.220.0000.00716.72
8.0.210.0050.00216.81
8.0.200.0030.00316.86
8.0.190.0040.00416.80
8.0.180.0040.00416.86
8.0.170.0000.00816.82
8.0.160.0040.00416.93
8.0.150.0040.00416.79
8.0.140.0030.00316.81
8.0.130.0000.00613.20
8.0.120.0020.00516.65
8.0.110.0040.00416.80
8.0.100.0000.00716.78
8.0.90.0040.00416.70
8.0.80.0120.00916.75
8.0.70.0050.00216.84
8.0.60.0040.00416.77
8.0.50.0050.00316.59
8.0.30.0130.00617.13
8.0.20.0140.00417.40
8.0.10.0000.00716.87
8.0.00.0110.00516.60
7.4.330.0060.00015.00
7.4.320.0030.00316.55
7.4.300.0060.00016.41
7.4.290.0000.00716.56
7.4.280.0000.00616.52
7.4.270.0030.00316.35
7.4.260.0030.00316.50
7.4.250.0030.00316.39
7.4.240.0040.00416.33
7.4.230.0000.00716.42
7.4.220.0170.00016.56
7.4.210.0060.00916.52
7.4.200.0000.00716.31
7.4.190.0030.00316.65
7.4.160.0090.00916.41
7.4.150.0070.01017.40
7.4.140.0100.00917.86
7.4.130.0130.00716.54
7.4.120.0100.00716.45
7.4.110.0130.00616.54
7.4.100.0100.00616.41
7.4.90.0100.00716.37
7.4.80.0070.01419.39
7.4.70.0100.00716.54
7.4.60.0050.01116.39
7.4.50.0000.00416.33
7.4.40.0080.00822.77
7.4.30.0080.00816.42
7.4.00.0060.00914.39
7.3.330.0030.00312.97
7.3.320.0000.00512.87
7.3.310.0000.00716.12
7.3.300.0000.00716.07
7.3.290.0040.00416.17
7.3.280.0150.00616.12
7.3.270.0070.01117.40
7.3.260.0120.00916.47
7.3.250.0150.00516.21
7.3.240.0060.01016.18
7.3.230.0090.01016.39
7.3.210.0030.01316.24
7.3.200.0060.01119.39
7.3.190.0090.01216.21
7.3.180.0040.01216.27
7.3.170.0090.01116.48
7.3.160.0100.01316.38
7.3.120.0030.01314.84
7.2.330.0140.00616.43
7.2.320.0130.00716.48
7.2.310.0080.00816.16
7.2.300.0120.00616.46
7.2.290.0110.00516.26
7.2.120.0030.01216.53
7.2.110.0040.01116.29
7.2.100.0050.00816.06
7.2.90.0060.00916.59
7.2.80.0080.00516.45
7.2.70.0130.00016.81
7.2.60.0050.01016.62
7.2.50.0030.01216.42
7.2.40.0070.00716.96
7.2.30.0000.01316.53
7.2.20.0100.00616.76
7.2.10.0070.00716.48
7.2.00.0060.00917.82
7.1.240.0070.00715.77
7.1.230.0100.00615.73
7.1.220.0070.00715.80
7.1.210.0030.00915.68
7.1.200.0050.00715.58
7.1.190.0070.01015.79
7.1.180.0000.01415.79
7.1.170.0100.00315.69
7.1.160.0050.00515.77
7.1.150.0030.00915.48
7.1.140.0070.00715.39
7.1.130.0110.00415.80
7.1.120.0060.00615.54
7.1.110.0130.00015.57
7.1.100.0130.00616.91
7.1.90.0080.00315.79
7.1.80.0130.00015.67
7.1.70.0020.00816.31
7.1.60.0060.00917.71
7.1.50.0080.00916.29
7.1.40.0000.01215.86
7.1.30.0060.00615.84
7.1.20.0060.00615.67
7.1.10.0000.01115.52
7.1.00.0050.03819.12
7.0.320.0050.00815.07
7.0.310.0070.00315.35
7.0.300.0000.01015.27
7.0.290.0030.00915.38
7.0.280.0040.00415.25
7.0.270.0000.01015.47
7.0.260.0110.00015.32
7.0.250.0030.00515.24
7.0.240.0080.00015.50
7.0.230.0070.00715.49
7.0.220.0040.00415.41
7.0.210.0040.00815.50
7.0.200.0080.00315.97
7.0.190.0050.00315.55
7.0.180.0070.00715.21
7.0.170.0000.01015.48
7.0.160.0060.00615.28
7.0.150.0040.00415.33
7.0.140.0060.03818.74
7.0.130.0080.00015.37
7.0.120.0040.00815.55
7.0.110.0000.01615.53
7.0.100.0060.00615.39
7.0.90.0290.02117.55
7.0.80.0290.03717.61
7.0.70.0270.02717.66
7.0.60.0280.03317.64
7.0.50.0280.03217.90
7.0.40.0030.03816.72
7.0.30.0060.04316.75
7.0.20.0090.04116.80
7.0.10.0190.03216.81
7.0.00.0070.04516.67
5.6.380.0050.00514.31
5.6.370.0070.00714.44
5.6.360.0040.01114.52
5.6.350.0040.00814.36
5.6.340.0030.00714.11
5.6.330.0000.01414.07
5.6.320.0060.00913.77
5.6.310.0030.01014.14
5.6.300.0120.00314.35
5.6.290.0070.00713.89
5.6.280.0060.04017.74
5.6.270.0000.01414.34
5.6.260.0040.01114.52
5.6.250.0060.00614.19
5.6.240.0060.02817.53
5.6.230.0060.04317.37
5.6.220.0030.02817.42
5.6.210.0080.02517.38
5.6.200.0130.03617.58
5.6.190.0080.03717.55
5.6.180.0050.04017.85
5.6.170.0080.04817.62
5.6.160.0050.04017.75
5.6.150.0000.05317.49
5.6.140.0030.03917.56
5.6.130.0050.04817.47
5.6.120.0130.03017.67
5.6.110.0080.04017.62
5.6.100.0090.03917.66
5.6.90.0080.04217.62
5.6.80.0130.03317.39
5.6.70.0080.03917.21
5.6.60.0050.04317.13
5.6.50.0060.03017.32
5.6.40.0050.02817.32
5.6.30.0050.02817.26
5.6.20.0080.03217.35
5.6.10.0050.02417.24
5.6.00.0030.04417.29
5.5.380.0030.03315.82
5.5.370.0070.04115.78
5.5.360.0100.03915.70
5.5.350.0030.04515.74
5.5.340.0050.02816.06
5.5.330.0150.02615.92
5.5.320.0070.02815.86
5.5.310.0050.03715.93
5.5.300.0100.03515.94
5.5.290.0030.04216.03
5.5.280.0050.02715.94
5.5.270.0090.04215.99
5.5.260.0030.03215.93
5.5.250.0080.03715.85
5.5.240.0100.03715.67
5.5.230.0120.03515.67
5.5.220.0040.04215.60
5.5.210.0050.04515.69
5.5.200.0070.03715.64
5.5.190.0070.03715.65
5.5.180.0080.03015.65
5.5.170.0060.00614.05
5.5.160.0090.04215.62
5.5.150.0040.02715.59
5.5.140.0060.04115.60
5.5.130.0080.03915.62
5.5.120.0050.02715.57
5.5.110.0090.04115.64
5.5.100.0050.02415.61
5.5.90.0050.04315.57
5.5.80.0020.02715.61
5.5.70.0080.01715.61
5.5.60.0070.02315.54
5.5.50.0050.02315.57
5.5.40.0020.02715.56
5.5.30.0050.02215.60
5.5.20.0060.01815.61
5.5.10.0070.03015.55
5.5.00.0050.03115.55
5.4.450.0050.03315.19
5.4.440.0090.03915.29
5.4.430.0060.04315.19
5.4.420.0120.03715.21
5.4.410.0100.03515.12
5.4.400.0070.03015.07
5.4.390.0030.04215.05
5.4.380.0000.04715.03
5.4.370.0030.04415.10
5.4.360.0020.02414.94
5.4.350.0070.03614.92
5.4.340.0070.03914.99
5.4.330.0030.00711.07
5.4.320.0070.04215.01
5.4.310.0090.03714.99
5.4.300.0080.03415.01
5.4.290.0000.04515.06
5.4.280.0030.04415.09
5.4.270.0080.03815.03
5.4.260.0060.03814.93
5.4.250.0070.03115.08
5.4.240.0040.02315.04
5.4.230.0070.02115.06
5.4.220.0020.02715.01
5.4.210.0040.02415.02
5.4.200.0060.02015.15
5.4.190.0030.02314.95
5.4.180.0080.01715.05
5.4.170.0020.02615.09
5.4.160.0030.02315.02
5.4.150.0030.02215.04
5.4.140.0040.02413.72
5.4.130.0050.01713.71
5.4.120.0020.03913.61
5.4.110.0090.02813.67
5.4.100.0070.01613.71
5.4.90.0060.03613.69
5.4.80.0070.03313.80
5.4.70.0030.03713.75
5.4.60.0040.02513.68
5.4.50.0050.02213.63
5.4.40.0010.01913.70
5.4.30.0030.02913.72
5.4.20.0060.01813.63
5.4.10.0070.01813.63
5.4.00.0030.02213.42
5.3.290.0050.04012.85
5.3.280.0050.03112.82
5.3.270.0020.02212.75
5.3.260.0040.02012.79
5.3.250.0030.02012.75
5.3.240.0060.02312.84
5.3.230.0080.01512.80
5.3.220.0050.02812.82
5.3.210.0030.04212.81
5.3.200.0020.02012.81
5.3.190.0080.03512.77
5.3.180.0030.02612.74
5.3.170.0030.03812.81
5.3.160.0020.02212.80
5.3.150.0020.02012.75
5.3.140.0070.02412.80
5.3.130.0070.03212.79
5.3.120.0040.02012.74
5.3.110.0070.01812.80
5.3.100.0030.04012.54
5.3.90.0020.03512.54
5.3.80.0020.02212.54
5.3.70.0040.01812.47
5.3.60.0030.02212.52
5.3.50.0050.02812.39
5.3.40.0030.02212.47
5.3.30.0100.01212.42
5.3.20.0080.01712.31
5.3.10.0020.02212.36
5.3.00.0010.01812.33
5.2.170.0060.01511.13
5.2.160.0010.02011.01
5.2.150.0020.01911.12
5.2.140.0020.01811.12
5.2.130.0030.01511.11
5.2.120.0050.01211.08
5.2.110.0030.01511.00
5.2.100.0060.01511.11
5.2.90.0050.01211.06
5.2.80.0020.01811.07
5.2.70.0040.01611.00
5.2.60.0020.02011.04
5.2.50.0020.01811.04
5.2.40.0040.01511.04
5.2.30.0040.01611.00
5.2.20.0010.01810.96
5.2.10.0020.01510.99
5.2.00.0060.01210.91
5.1.60.0000.02210.55
5.1.50.0040.01210.57
5.1.40.0040.01210.55
5.1.30.0030.01810.72
5.1.20.0060.02310.74
5.1.10.0020.01510.57
5.1.00.0050.01510.61
5.0.50.0020.0129.80
5.0.40.0030.0109.74
5.0.30.0000.0199.65
5.0.20.0030.0089.68
5.0.10.0020.0109.64
5.0.00.0030.0179.65
4.4.90.0030.0089.12
4.4.80.0020.0109.12
4.4.70.0020.0109.12
4.4.60.0000.0119.12
4.4.50.0050.0179.12
4.4.40.0030.0239.12
4.4.30.0020.0089.12
4.4.20.0020.0109.12
4.4.10.0020.0109.12
4.4.00.0030.0129.12
4.3.110.0000.0119.12
4.3.100.0010.0089.12
4.3.90.0020.0109.12
4.3.80.0020.0139.12
4.3.70.0000.0119.12
4.3.60.0030.0109.12
4.3.50.0000.0219.12
4.3.40.0020.0289.12
4.3.30.0030.0209.12
4.3.20.0020.0189.12
4.3.10.0030.0179.12
4.3.00.0000.0219.12

preferences:
44.6 ms | 400 KiB | 5 Q