3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "\u{aa}"; echo "\u{0000aa}"; echo "\u{2222}"; ?>

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)
8.3.40.0000.01418.58
8.3.30.0110.00318.54
8.3.20.0040.00420.12
8.3.10.0040.00423.28
8.3.00.0030.00521.60
8.2.170.0150.00022.96
8.2.160.0120.00320.17
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00420.92
8.2.120.0040.00426.35
8.2.110.0040.00722.25
8.2.100.0080.00419.82
8.2.90.0000.00819.09
8.2.80.0080.00017.97
8.2.70.0100.00017.63
8.2.60.0040.00417.91
8.2.50.0050.00318.10
8.2.40.0040.00422.20
8.2.30.0040.00419.20
8.2.20.0030.00519.26
8.2.10.0000.00717.82
8.2.00.0100.00017.91
8.1.270.0070.00722.14
8.1.260.0030.00628.09
8.1.250.0040.00428.09
8.1.240.0090.00019.01
8.1.230.0070.00420.90
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0080.00017.10
8.1.180.0080.00018.10
8.1.170.0000.00818.40
8.1.160.0070.00020.68
8.1.150.0000.00718.75
8.1.140.0090.00019.43
8.1.130.0030.00317.51
8.1.120.0030.00317.32
8.1.110.0070.00017.32
8.1.100.0050.00317.30
8.1.90.0070.00017.26
8.1.80.0000.00717.32
8.1.70.0030.00317.22
8.1.60.0030.00617.38
8.1.50.0030.00617.37
8.1.40.0040.00417.46
8.1.30.0030.00517.47
8.1.20.0000.00817.46
8.1.10.0040.00417.45
8.1.00.0030.00617.38
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.30
8.0.270.0050.00217.05
8.0.260.0000.00617.21
8.0.250.0030.00316.71
8.0.240.0070.00016.79
8.0.230.0030.00316.69
8.0.220.0040.00416.71
8.0.210.0070.00016.73
8.0.200.0000.00716.67
8.0.190.0040.00416.84
8.0.180.0000.00716.78
8.0.170.0000.00816.63
8.0.160.0000.00716.68
8.0.150.0030.00316.58
8.0.140.0040.00416.70
8.0.130.0060.00013.24
8.0.120.0050.00316.77
8.0.110.0030.00516.59
8.0.100.0000.00716.75
8.0.90.0040.00416.71
8.0.80.0100.00716.73
8.0.70.0050.00216.71
8.0.60.0040.00416.79
8.0.50.0030.00316.70
8.0.30.0080.00816.81
8.0.20.0100.00917.40
8.0.10.0000.00816.87
8.0.00.0070.01116.60
7.4.330.0000.00516.71
7.4.320.0070.00016.30
7.4.300.0070.00016.38
7.4.290.0000.00816.46
7.4.280.0070.00016.32
7.4.270.0080.00016.46
7.4.260.0030.00616.36
7.4.250.0050.00316.38
7.4.240.0000.00716.29
7.4.230.0050.00316.30
7.4.220.0060.00916.34
7.4.210.0110.00416.41
7.4.200.0000.00716.35
7.4.160.0060.00916.46
7.4.150.0070.01017.40
7.4.140.0090.00917.86
7.4.130.0120.00716.28
7.4.120.0140.00316.46
7.4.110.0040.01816.25
7.4.100.0080.01116.36
7.4.90.0120.00616.51
7.4.80.0130.00319.39
7.4.70.0000.01616.25
7.4.60.0120.00616.36
7.4.50.0090.00616.19
7.4.40.0100.00716.39
7.4.30.0120.00916.41
7.4.00.0070.01014.79
7.3.330.0060.00012.86
7.3.320.0000.00512.96
7.3.310.0030.00316.02
7.3.300.0070.00016.14
7.3.290.0110.00816.13
7.3.280.0100.00816.11
7.3.270.0030.01517.40
7.3.260.0070.01016.20
7.3.250.0100.00916.15
7.3.240.0080.01016.21
7.3.230.0140.01116.45
7.3.210.0110.01116.15
7.3.200.0080.00819.39
7.3.190.0080.00816.06
7.3.180.0040.01216.16
7.3.170.0100.01316.51
7.3.160.0110.00416.24
7.3.10.0040.00916.42
7.3.00.0060.00816.52
7.2.330.0090.00916.63
7.2.320.0120.00616.31
7.2.310.0030.01716.43
7.2.300.0100.00716.17
7.2.290.0060.01016.34
7.2.130.0060.00816.52
7.2.120.0090.00516.56
7.2.110.0060.00316.67
7.2.100.0080.00716.51
7.2.90.0100.00616.63
7.2.80.0090.00716.78
7.2.70.0070.00816.72
7.2.60.0060.00716.73
7.2.50.0120.00616.70
7.2.40.0080.01016.84
7.2.30.0070.01016.63
7.2.20.0140.00516.68
7.2.10.0060.00616.69
7.2.00.0080.00617.44
7.1.250.0070.00515.51
7.1.200.0000.01015.57
7.1.100.0120.00317.95
7.1.70.0070.00016.94
7.1.60.0180.00719.40
7.1.50.0100.01316.71
7.1.00.0070.07322.45
7.0.200.0030.00616.33
7.0.100.0130.04019.93
7.0.90.0030.08319.91
7.0.80.0130.05719.91
7.0.70.0100.08019.85
7.0.60.0230.07020.08
7.0.50.0200.07020.34
7.0.40.0070.08020.07
7.0.30.0100.05020.14
7.0.20.0200.07320.09
7.0.10.0030.07720.09
7.0.00.0030.06719.97
5.6.280.0030.06320.98
5.6.250.0070.08020.77
5.6.240.0000.09020.54
5.6.230.0100.08020.74
5.6.220.0100.07020.61
5.6.210.0170.06320.74
5.6.200.0200.07021.06
5.6.190.0030.05020.93
5.6.180.0130.07321.16
5.6.170.0100.08321.04
5.6.160.0030.09321.13
5.6.150.0100.07321.03
5.6.140.0200.07720.92
5.6.130.0170.07020.99
5.6.120.0200.07321.03
5.6.110.0100.07721.03
5.6.100.0130.08020.87
5.6.90.0070.08720.92
5.6.80.0070.08020.34
5.6.70.0170.08020.32
5.6.60.0200.05720.31
5.6.50.0100.08020.48
5.6.40.0070.08020.51
5.6.30.0170.05720.46
5.6.20.0100.07320.36
5.6.10.0000.09320.36
5.6.00.0130.07720.39
5.5.380.0170.06320.36
5.5.370.0130.04020.38
5.5.360.0200.07720.32
5.5.350.0030.08720.36
5.5.340.0100.07720.64
5.5.330.0170.07320.79
5.5.320.0070.06720.68
5.5.310.0130.05720.86
5.5.300.0100.07720.85
5.5.290.0130.06720.83
5.5.280.0070.06320.88
5.5.270.0170.07720.63
5.5.260.0130.07020.92
5.5.250.0100.08020.61
5.5.240.0030.08320.30
5.5.230.0100.08020.28
5.5.220.0130.07020.23
5.5.210.0100.07720.30
5.5.200.0200.06720.22
5.5.190.0070.06720.07
5.5.180.0030.06320.14
5.5.160.0100.06320.10
5.5.150.0170.04020.11
5.5.140.0030.04720.21
5.5.130.0100.07320.25
5.5.120.0100.07320.23
5.5.110.0030.05720.11
5.5.100.0230.05320.07
5.5.90.0100.05320.14
5.5.80.0200.07020.16
5.5.70.0030.07320.00
5.5.60.0030.08020.04
5.5.50.0130.07319.95
5.5.40.0070.07720.13
5.5.30.0030.08020.04
5.5.20.0030.07719.93
5.5.10.0130.07719.97
5.5.00.0270.06320.02

preferences:
49.32 ms | 400 KiB | 5 Q