3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo utf8_encode('SpŽcialement');

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)
8.3.40.0110.00418.68
8.3.30.0110.00318.92
8.3.20.0000.00720.21
8.3.10.0050.00221.64
8.3.00.0040.00419.38
8.2.170.0090.00622.96
8.2.160.0000.01419.21
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0000.00819.54
8.2.110.0070.00419.27
8.2.100.0060.00617.75
8.2.90.0080.00018.91
8.2.80.0060.00317.97
8.2.70.0050.00317.63
8.2.60.0050.00317.93
8.2.50.0090.00018.07
8.2.40.0080.00018.09
8.2.30.0000.00817.96
8.2.20.0000.00817.72
8.2.10.0000.00817.97
8.2.00.0000.00817.66
8.1.270.0060.00320.61
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00323.80
8.1.230.0080.00417.42
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00617.11
8.1.180.0080.00018.10
8.1.170.0090.00020.44
8.1.160.0080.00021.93
8.1.150.0040.00418.70
8.1.140.0000.00717.24
8.1.130.0080.00017.75
8.1.120.0050.00517.31
8.1.110.0070.00017.22
8.1.100.0030.00317.35
8.1.90.0000.00817.33
8.1.80.0000.00717.21
8.1.70.0040.00417.31
8.1.60.0030.00617.37
8.1.50.0060.00317.30
8.1.40.0030.00617.45
8.1.30.0030.00517.53
8.1.20.0040.00417.47
8.1.10.0040.00417.38
8.1.00.0060.00617.33
8.0.300.0050.00318.77
8.0.290.0000.00816.58
8.0.280.0070.00018.35
8.0.270.0000.00717.06
8.0.260.0030.00317.15
8.0.250.0050.00316.78
8.0.240.0070.00016.81
8.0.230.0040.00416.84
8.0.220.0000.00716.76
8.0.210.0030.00316.64
8.0.200.0000.00716.70
8.0.190.0000.00716.81
8.0.180.0000.00716.73
8.0.170.0050.00316.70
8.0.160.0040.00416.63
8.0.150.0030.00716.58
8.0.140.0070.00016.61
8.0.130.0060.00013.13
8.0.120.0080.00016.73
8.0.110.0030.00316.74
8.0.100.0040.00416.79
8.0.90.0020.00516.64
8.0.80.0060.01016.74
8.0.70.0000.00716.74
8.0.60.0000.00716.54
8.0.50.0020.00516.58
8.0.30.0110.01216.73
8.0.20.0130.00717.40
8.0.10.0070.00016.69
8.0.00.0070.01216.66
7.4.330.0050.00015.03
7.4.320.0070.00016.46
7.4.300.0000.00616.37
7.4.290.0040.00416.34
7.4.280.0040.00416.27
7.4.270.0030.00316.41
7.4.260.0040.00416.45
7.4.250.0080.00016.43
7.4.240.0000.00716.36
7.4.230.0030.00316.53
7.4.220.0140.00416.50
7.4.210.0090.00816.28
7.4.200.0000.00716.53
7.4.160.0000.01516.48
7.4.150.0100.00717.40
7.4.140.0120.00617.86
7.4.130.0100.00816.34
7.4.120.0040.01216.29
7.4.110.0070.01116.39
7.4.100.0130.00316.43
7.4.90.0090.00616.29
7.4.80.0030.01319.39
7.4.70.0090.00916.34
7.4.60.0070.01016.49
7.4.50.0000.00416.17
7.4.40.0000.01616.16
7.4.30.0120.00916.36
7.4.00.0080.01014.64
7.3.330.0060.00013.02
7.3.320.0090.00612.88
7.3.310.0000.00716.20
7.3.300.0070.00016.16
7.3.290.0030.00316.03
7.3.280.0050.01116.09
7.3.270.0060.01117.40
7.3.260.0090.00916.23
7.3.250.0110.00616.29
7.3.240.0000.01816.35
7.3.230.0090.00916.39
7.3.210.0100.00616.10
7.3.200.0100.00719.39
7.3.190.0150.00316.51
7.3.180.0100.00616.32
7.3.170.0030.01416.43
7.3.160.0110.01216.28
7.3.120.0070.01314.75
7.3.110.0030.01514.69
7.3.100.0140.00314.93
7.3.90.0030.01014.65
7.3.80.0070.01014.71
7.3.70.0030.01014.46
7.3.60.0070.00314.26
7.3.50.0110.00014.70
7.3.40.0030.01314.73
7.3.30.0080.00614.57
7.3.20.0060.00616.64
7.3.10.0110.00016.56
7.3.00.0000.00916.46
7.2.330.0100.00716.37
7.2.320.0130.01316.34
7.2.310.0110.00716.52
7.2.300.0100.00716.24
7.2.290.0170.00416.26
7.2.250.0060.01314.97
7.2.240.0070.01315.09
7.2.230.0070.01014.84
7.2.220.0070.00714.80
7.2.210.0100.00314.96
7.2.200.0130.00015.04
7.2.190.0000.01614.74
7.2.180.0070.00714.97
7.2.170.0060.00914.66
7.2.00.0060.01319.08
7.1.330.0000.01315.54
7.1.320.0030.00915.77
7.1.310.0060.00915.62
7.1.300.0040.00415.34
7.1.290.0110.00415.46
7.1.280.0060.00615.48
7.1.270.0000.01615.34
7.1.260.0100.00315.68
7.1.100.0040.00718.00
7.1.70.0000.00817.16
7.1.60.0070.01719.46
7.1.50.0060.00616.49
7.1.00.0030.07722.33
7.0.200.0170.00416.45
7.0.140.0070.07022.08
7.0.60.0030.08719.91
7.0.50.0100.04717.86
7.0.40.0100.07019.89
7.0.30.0270.07020.20
7.0.20.0200.07020.20
7.0.10.0370.08020.20
7.0.00.0030.08720.13
5.6.280.0030.07320.91
5.6.210.0070.04020.70
5.6.200.0070.03718.18
5.6.190.0100.08020.46
5.6.180.0500.05320.32
5.6.170.0500.07320.38
5.6.160.0030.05720.37
5.6.150.0070.06718.12
5.6.140.0130.04018.18
5.6.130.0070.03718.06
5.6.120.0100.07720.93
5.6.110.0100.07320.99
5.6.100.0030.08720.88
5.6.90.0100.03720.93
5.6.80.0030.03720.39
5.5.350.0200.05020.38
5.5.340.0000.04317.88
5.5.330.0230.06320.47
5.5.320.0070.06720.25
5.5.310.0200.04320.28
5.5.300.0070.06718.05
5.5.290.0130.07317.96
5.5.280.0070.08720.82
5.5.270.0170.05320.83
5.5.260.0070.08020.61
5.5.250.0030.09020.46
5.5.240.0070.08720.18
5.4.450.0500.08019.13
5.4.440.0770.05719.42
5.4.430.0770.07319.40
5.4.420.0400.05719.43
5.4.410.0700.05318.97
5.4.400.0270.06718.82
5.4.390.0130.06318.45
5.4.380.0270.06718.72
5.4.370.0370.04018.49
5.4.360.0270.06718.49
5.4.350.0200.07718.45
5.4.340.0230.05018.50
5.4.320.0070.07318.76
5.4.310.0130.06318.70
5.4.300.0300.06318.49
5.4.290.0200.05718.64
5.4.280.0200.05718.44
5.4.270.0230.05018.62
5.4.260.0300.05318.66
5.4.250.0170.06318.73
5.4.240.0170.06018.68
5.4.230.0230.05718.48
5.4.220.0100.06718.70
5.4.210.0300.04718.43
5.4.200.0230.05316.50
5.4.190.0130.07718.68
5.4.180.0170.07318.69
5.4.170.0100.08318.55
5.4.160.0330.05718.43
5.4.150.0130.06018.54
5.4.140.0170.05716.26
5.4.130.0300.05316.13
5.4.120.0200.05716.35
5.4.110.0170.05316.15
5.4.100.0370.04716.14
5.4.90.0170.05716.05
5.4.80.0170.06016.22
5.4.70.0170.05016.28
5.4.60.0270.04316.09
5.4.50.0300.04716.22
5.4.40.0130.05716.18
5.4.30.0200.05016.03
5.4.20.0170.05316.19
5.4.10.0100.05716.00
5.4.00.0170.05315.64
5.3.290.0130.06014.55
5.3.280.0230.06314.50
5.3.270.0300.06714.51
5.3.260.0200.06014.62
5.3.250.0200.05314.59
5.3.240.0200.05014.63
5.3.230.0230.05314.56
5.3.220.0200.05714.54
5.3.210.0130.06014.49
5.3.200.0130.05714.65
5.3.190.0170.05014.48
5.3.180.0130.05314.48
5.3.170.0200.04714.47
5.3.160.0230.04314.63
5.3.150.0130.05314.48
5.3.140.0170.05714.52
5.3.130.0200.05314.52
5.3.120.0170.05714.51
5.3.110.0170.05314.64
5.3.100.0270.04314.01
5.3.90.0270.05714.11
5.3.80.0230.05313.95
5.3.70.0130.05714.00
5.3.60.0300.04014.00
5.3.50.0200.06013.87
5.3.40.0130.05713.93
5.3.30.0200.05013.87
5.3.20.0170.05713.61
5.3.10.0270.06013.64
5.3.00.0170.07313.55
5.2.170.0170.05711.13
5.2.160.0200.03711.09
5.2.150.0130.06011.11
5.2.140.0270.04711.08
5.2.130.0200.05011.13
5.2.120.0070.05011.03
5.2.110.0070.05011.00
5.2.100.0200.04311.13
5.2.90.0200.03711.07
5.2.80.0200.03711.08
5.2.70.0200.04311.12
5.2.60.0170.05010.97
5.2.50.0270.04710.97
5.2.40.0200.04310.98
5.2.30.0270.04310.92
5.2.20.0200.03310.95
5.2.10.0130.04010.83
5.2.00.0100.05710.71
5.1.60.0230.03710.00
5.1.50.0130.0339.98
5.1.40.0230.03710.09
5.1.30.0200.04010.39
5.1.20.0200.04310.44
5.1.10.0170.04310.16
5.1.00.0200.04010.09
5.0.50.0130.0338.52
5.0.40.0130.0308.43
5.0.30.0130.0478.28
5.0.20.0030.0408.18
5.0.10.0170.0308.35
5.0.00.0000.0608.33
4.4.90.0070.0275.88
4.4.80.0070.0275.87
4.4.70.0070.0235.85
4.4.60.0070.0235.91
4.4.50.0030.0235.87
4.4.40.0100.0335.86
4.4.30.0030.0275.94
4.4.20.0030.0275.88
4.4.10.0100.0235.95
4.4.00.0070.0335.94
4.3.110.0070.0205.80
4.3.100.0130.0175.81
4.3.90.0130.0175.77
4.3.80.0070.0335.76
4.3.70.0000.0275.77
4.3.60.0130.0205.81
4.3.50.0070.0235.79
4.3.40.0070.0335.83
4.3.30.0000.0274.56
4.3.20.0000.0334.52
4.3.10.0000.0304.48
4.3.00.0130.0209.19

preferences:
50.45 ms | 400 KiB | 5 Q