3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unichr(hexdec('e641')));

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)
8.3.40.0150.00018.86
8.3.30.0120.00318.57
8.3.20.0030.00520.21
8.3.10.0040.00423.49
8.3.00.0040.00423.56
8.2.170.0100.01022.96
8.2.160.0100.00320.24
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0080.00020.82
8.2.120.0080.00026.35
8.2.110.0090.00019.16
8.2.100.0090.00317.80
8.2.90.0080.00019.13
8.2.80.0000.00817.97
8.2.70.0040.00817.50
8.2.60.0080.00017.90
8.2.50.0030.00618.09
8.2.40.0000.00720.54
8.2.30.0080.00019.34
8.2.20.0050.00317.58
8.2.10.0070.00018.10
8.2.00.0000.00718.09
8.1.270.0140.00522.05
8.1.260.0000.00828.09
8.1.250.0000.00728.09
8.1.240.0060.00322.53
8.1.230.0040.00717.64
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0000.00917.21
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00918.62
8.1.160.0000.00720.70
8.1.150.0050.00320.52
8.1.140.0060.00319.44
8.1.130.0030.00317.63
8.1.120.0050.00217.27
8.1.110.0000.00817.33
8.1.100.0000.00717.21
8.1.90.0040.00717.36
8.1.80.0000.00717.32
8.1.70.0000.00717.23
8.1.60.0040.00417.52
8.1.50.0080.00017.50
8.1.40.0030.00617.42
8.1.30.0000.00817.48
8.1.20.0030.00617.42
8.1.10.0050.00317.48
8.1.00.0080.00017.32
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0030.00317.15
8.0.260.0030.00317.10
8.0.250.0000.00716.83
8.0.240.0030.00316.84
8.0.230.0070.00016.92
8.0.220.0000.00716.84
8.0.210.0040.00316.90
8.0.200.0060.00016.92
8.0.190.0040.00416.98
8.0.180.0000.01016.80
8.0.170.0050.00316.91
8.0.160.0000.00816.88
8.0.150.0050.00316.80
8.0.140.0050.00216.73
8.0.130.0080.00013.32
8.0.120.0000.00716.83
8.0.110.0050.00316.78
8.0.100.0000.00716.83
8.0.90.0040.00416.91
8.0.80.0090.00916.84
8.0.70.0000.00716.84
8.0.60.0070.00016.95
8.0.50.0000.00816.77
8.0.30.0080.01216.95
8.0.20.0160.00717.40
8.0.10.0000.00716.81
8.0.00.0110.00816.81
7.4.330.0060.00016.74
7.4.320.0000.00616.46
7.4.300.0070.00016.45
7.4.290.0030.00316.41
7.4.280.0090.00016.41
7.4.270.0030.00316.40
7.4.260.0040.00416.41
7.4.250.0000.00816.31
7.4.240.0000.00816.52
7.4.230.0000.00716.35
7.4.220.0090.01216.44
7.4.210.0100.00616.47
7.4.200.0070.00016.36
7.4.160.0120.00316.34
7.4.150.0120.00617.40
7.4.140.0130.01017.86
7.4.130.0140.00516.39
7.4.120.0100.01016.44
7.4.110.0110.00616.53
7.4.100.0100.00916.50
7.4.90.0120.00616.46
7.4.80.0130.00619.39
7.4.70.0110.01216.41
7.4.60.0060.00916.25
7.4.50.0000.01616.29
7.4.40.0100.00616.48
7.4.30.0130.00416.48
7.4.00.0090.00614.84
7.3.330.0000.00613.00
7.3.320.0000.00613.02
7.3.310.0000.00716.31
7.3.300.0050.00316.14
7.3.290.0000.00716.18
7.3.280.0060.01016.32
7.3.270.0090.00917.40
7.3.260.0110.00716.34
7.3.250.0130.00916.38
7.3.240.0090.00816.34
7.3.230.0140.00716.39
7.3.210.0100.00716.64
7.3.200.0100.01319.39
7.3.190.0080.00816.49
7.3.180.0070.01116.20
7.3.170.0100.00616.44
7.3.160.0100.01216.55
7.2.330.0210.00816.27
7.2.320.0070.01016.36
7.2.310.0120.00616.45
7.2.300.0170.00016.54
7.2.290.0130.00316.41
7.2.60.0030.01016.79
7.2.00.0070.00719.25
7.1.200.0000.00715.70
7.1.100.0060.00618.11
7.1.70.0000.00817.00
7.1.60.0130.01019.40
7.1.50.0060.01516.87
7.1.00.0070.07322.44
7.0.200.0470.01214.35
7.0.60.0370.03319.89
7.0.50.0000.08717.90
7.0.40.0030.08320.23
7.0.30.0230.05320.30
7.0.20.0330.07720.04
7.0.10.0200.07320.09
7.0.00.0170.07020.12
5.6.280.0100.03021.01
5.6.210.0030.08020.60
5.6.200.0070.04018.23
5.6.190.0070.08020.41
5.6.180.0330.07320.27
5.6.170.0230.04020.50
5.6.160.0100.03320.40
5.6.150.0070.06718.12
5.6.140.0070.03718.14
5.6.130.0030.04018.21
5.6.120.0230.07020.99
5.6.110.0070.08321.00
5.6.100.0100.07721.13
5.6.90.0070.04321.12
5.6.80.0130.07320.40
5.5.350.0230.06020.43
5.5.340.0100.07317.89
5.5.330.0070.08320.21
5.5.320.0100.04720.29
5.5.310.0300.07720.29
5.5.300.0100.03317.91
5.5.290.0030.08717.96
5.5.280.0100.08320.73
5.5.270.0000.09020.86
5.5.260.0170.06020.95
5.5.250.0030.08020.52
5.5.240.1430.04020.23
5.4.450.0170.05319.48
5.4.440.0170.05019.47
5.4.430.0470.04719.53
5.4.420.0800.05319.53
5.4.410.0830.05319.42
5.4.400.0900.06019.08
5.4.390.0230.05319.14
5.4.380.0230.05019.21
5.4.370.0130.05719.30
5.4.360.0230.04719.15
5.4.350.0200.04719.09
5.4.340.0100.05718.87
5.4.320.0130.05719.09
5.4.310.0130.05719.11
5.4.300.0100.05719.10
5.4.290.0170.05718.83
5.4.280.0200.05019.14
5.4.270.0270.04018.87
5.4.260.0070.06019.10
5.4.250.0230.05019.22
5.4.240.0200.04719.21
5.4.230.0070.06019.05
5.4.220.0300.06319.05
5.4.210.0300.04319.10
5.4.200.0200.04719.05
5.4.190.0270.04719.09
5.4.180.0130.05319.07
5.4.170.0130.06019.10
5.4.160.0170.05319.11
5.4.150.0070.07019.17
5.4.140.0130.05716.44
5.4.130.0130.05016.48
5.4.120.0170.05016.28
5.4.110.0230.04316.41
5.4.100.0270.03716.58
5.4.90.0170.05716.25
5.4.80.0230.04316.54
5.4.70.0100.05316.54
5.4.60.0170.05016.42
5.4.50.0270.04016.42
5.4.40.0330.04316.36
5.4.30.0230.04316.42
5.4.20.0200.04716.55
5.4.10.0270.04716.38
5.4.00.0230.04315.73
5.3.290.0200.05714.60
5.3.280.0130.05314.60
5.3.270.0100.06314.53
5.3.260.0200.05014.69
5.3.250.0170.05014.50
5.3.240.0270.04014.53
5.3.230.0200.04714.52
5.3.220.0130.05714.35
5.3.210.0200.06014.50
5.3.200.0170.05714.35
5.3.190.0070.06014.32
5.3.180.0130.05314.46
5.3.170.0200.04714.50
5.3.160.0400.05314.48
5.3.150.0170.05714.46
5.3.140.0230.04714.57
5.3.130.0230.05714.50
5.3.120.0170.05314.30
5.3.110.0370.04014.47
5.3.100.0130.05314.05
5.3.90.0300.04013.89
5.3.80.0170.05013.96
5.3.70.0270.05013.94
5.3.60.0100.05713.83
5.3.50.0270.04013.77
5.3.40.0230.04313.86
5.3.30.0070.05713.87
5.3.20.0230.04013.60
5.3.10.0170.04713.58
5.3.00.0130.05713.56
5.2.170.0100.04711.16
5.2.160.0100.04311.00
5.2.150.0200.03711.04
5.2.140.0100.04711.29
5.2.130.0170.03711.00
5.2.120.0230.03011.03
5.2.110.0130.04011.25
5.2.100.0230.03311.07
5.2.90.0200.03311.03
5.2.80.0070.04711.17
5.2.70.0200.03310.89
5.2.60.0070.04710.98
5.2.50.0130.04010.91
5.2.40.0170.03310.92
5.2.30.0100.04011.12
5.2.20.0100.04011.03
5.2.10.0170.05310.86
5.2.00.0070.04310.71
5.1.60.0170.04310.06
5.1.50.0100.03710.08
5.1.40.0100.0339.96
5.1.30.0100.03310.34
5.1.20.0130.04010.42
5.1.10.0100.0379.96
5.1.00.0100.0439.92
5.0.50.0100.0278.61
5.0.40.0030.0308.40
5.0.30.0070.0438.18
5.0.20.0130.0308.24
5.0.10.0100.0238.16
5.0.00.0100.0408.16
4.4.90.0030.0236.69
4.4.80.0030.0236.69
4.4.70.0030.0236.69
4.4.60.0130.0276.69
4.4.50.0070.0206.69
4.4.40.0030.0376.69
4.4.30.0070.0206.69
4.4.20.0070.0206.69
4.4.10.0030.0236.69
4.4.00.0130.0276.69
4.3.110.0130.0236.69
4.3.100.0130.0236.69
4.3.90.0030.0236.69
4.3.80.0030.0376.69
4.3.70.0030.0206.69
4.3.60.0100.0236.69
4.3.50.0030.0336.69
4.3.40.0030.0406.69
4.3.30.0100.0176.69
4.3.20.0100.0176.69
4.3.10.0030.0236.69
4.3.00.0030.0206.69

preferences:
47.3 ms | 400 KiB | 5 Q