3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace_callback("#%u([0-9A-F]{1,4})#i", create_function('$matches', 'return "&#".hexdec($matches[1]).";";'), '%u01C0');

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)
8.3.40.0100.00318.98
8.3.30.0110.00318.59
8.3.20.0040.00420.10
8.3.10.0040.00421.65
8.3.00.0040.00422.15
8.2.170.0110.00322.96
8.2.160.0070.00718.99
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0000.00821.04
8.2.120.0040.00426.35
8.2.110.0030.00720.91
8.2.100.0080.00318.09
8.2.90.0000.00819.13
8.2.80.0030.00617.97
8.2.70.0130.00317.25
8.2.60.0000.00817.93
8.2.50.0050.00318.10
8.2.40.0070.00020.61
8.2.30.0000.00820.97
8.2.20.0040.00417.89
8.2.10.0000.00717.97
8.2.00.0070.00017.88
8.1.270.0070.00022.10
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.96
8.1.230.0060.00618.97
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00617.23
8.1.180.0060.00318.10
8.1.170.0040.00418.50
8.1.160.0030.00318.95
8.1.150.0030.00620.55
8.1.140.0040.00419.45
8.1.130.0030.00318.71
8.1.120.0030.00317.35
8.1.110.0070.00017.31
8.1.100.0030.00517.33
8.1.90.0070.00017.23
8.1.80.0050.00317.32
8.1.70.0030.00617.30
8.1.60.0000.00717.42
8.1.50.0070.00017.43
8.1.40.0040.00417.50
8.1.30.0050.00317.60
8.1.20.0040.00417.56
8.1.10.0030.00617.49
8.1.00.0000.00817.43
8.0.300.0000.00818.77
8.0.290.0030.00516.75
8.0.280.0040.00418.41
8.0.270.0000.00717.09
8.0.260.0030.00316.69
8.0.250.0060.00016.91
8.0.240.0040.00416.90
8.0.230.0040.00416.97
8.0.220.0050.00316.90
8.0.210.0030.00516.79
8.0.200.0000.00616.96
8.0.190.0040.00416.94
8.0.180.0000.00716.83
8.0.170.0030.00316.79
8.0.160.0000.00816.92
8.0.150.0000.00716.79
8.0.140.0030.00316.73
8.0.130.0000.00513.30
8.0.120.0000.00916.85
8.0.110.0000.00716.83
8.0.100.0040.00416.73
8.0.90.0020.00516.78
8.0.80.0100.01116.86
8.0.70.0040.00416.98
8.0.60.0050.00316.78
8.0.50.0000.00716.84
8.0.30.0080.00616.94
8.0.20.0100.00817.40
8.0.10.0040.00416.82
8.0.00.0030.01416.63
7.4.330.0050.00015.55
7.4.320.0000.00816.60
7.4.300.0030.00316.58
7.4.290.0000.00716.58
7.4.280.0030.00616.64
7.4.270.0080.00016.75
7.4.260.0000.00716.56
7.4.250.0030.00516.64
7.4.240.0030.00316.67
7.4.230.0040.00416.77
7.4.220.0090.00916.77
7.4.210.0080.01016.57
7.4.200.0050.00316.56
7.4.160.0040.01216.69
7.4.150.0140.00617.40
7.4.140.0070.01217.86
7.4.130.0040.02116.89
7.4.120.0110.00716.61
7.4.110.0070.01016.51
7.4.100.0150.00916.61
7.4.90.0060.01316.75
7.4.80.0180.00019.39
7.4.70.0090.00916.95
7.4.60.0110.00516.66
7.4.50.0070.01016.64
7.4.40.0060.01016.59
7.4.30.0110.00516.73
7.4.00.0030.01515.06
7.3.330.0030.00313.52
7.3.320.0030.00313.38
7.3.310.0030.00616.54
7.3.300.0030.00316.56
7.3.290.0030.00316.51
7.3.280.0080.01016.47
7.3.270.0170.00817.40
7.3.260.0140.00316.72
7.3.250.0130.00516.81
7.3.240.0060.01116.53
7.3.230.0060.01516.76
7.3.210.0140.00416.82
7.3.200.0080.00916.68
7.3.190.0180.00016.52
7.3.180.0060.01616.75
7.3.170.0030.01216.47
7.3.160.0160.00416.78
7.2.330.0090.00916.84
7.2.320.0060.01216.95
7.2.310.0080.00816.86
7.2.300.0120.00616.67
7.2.290.0100.01316.81
7.2.60.0040.00816.89
7.2.00.0030.01019.50
7.1.200.0060.00615.89
7.1.100.0070.00718.44
7.1.70.0060.01417.52
7.1.60.0300.01235.03
7.1.50.0300.01234.93
7.1.40.0300.01434.66
7.1.30.0330.01534.69
7.1.20.0280.01934.99
7.1.10.0090.01116.63
7.1.00.0100.01216.87
7.0.200.0060.01316.96
7.0.190.0080.01116.94
7.0.180.0120.00916.23
7.0.170.0160.00716.49
7.0.160.0110.00816.38
7.0.150.0070.01216.32
7.0.140.0140.00616.36
7.0.130.0180.00316.57
7.0.120.0090.01216.71
7.0.110.0030.01816.70
7.0.100.0060.01516.52
7.0.90.0110.01016.50
7.0.80.0100.01216.36
7.0.70.0060.01316.30
7.0.60.0090.01416.17
7.0.50.0060.01516.57
7.0.40.0110.01116.50
7.0.30.0100.01216.35
7.0.20.0160.00516.77
7.0.10.0070.01316.68
7.0.00.0130.00816.47

preferences:
35.18 ms | 400 KiB | 5 Q