3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace_callback("#%u([0-9A-F]{1,4})#i", create_function('$matches', 'return dec_to_utf8(hexdec($matches[1]));'), '片仮名');

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)
8.3.60.0100.01316.50
8.3.50.0130.00316.57
8.3.40.0150.00018.84
8.3.30.0070.00718.53
8.3.20.0050.00320.01
8.3.10.0040.00421.89
8.3.00.0070.00022.10
8.2.180.0100.01016.63
8.2.170.0140.00022.96
8.2.160.0000.01419.09
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00421.00
8.2.120.0050.00326.35
8.2.110.0100.00020.47
8.2.100.0040.01217.78
8.2.90.0050.00319.05
8.2.80.0040.00417.97
8.2.70.0030.00917.63
8.2.60.0000.00717.68
8.2.50.0040.00418.10
8.2.40.0070.00020.58
8.2.30.0080.00020.91
8.2.20.0070.00017.86
8.2.10.0080.00017.98
8.2.00.0040.00418.08
8.1.280.0040.01125.92
8.1.270.0080.00021.81
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00823.79
8.1.230.0070.00418.84
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0080.00017.10
8.1.190.0030.00617.23
8.1.180.0080.00018.10
8.1.170.0030.00618.38
8.1.160.0040.00418.88
8.1.150.0000.00718.84
8.1.140.0000.00719.48
8.1.130.0070.00018.76
8.1.120.0040.00417.25
8.1.110.0050.00217.25
8.1.100.0040.00417.29
8.1.90.0040.00417.37
8.1.80.0000.00717.25
8.1.70.0000.00717.21
8.1.60.0090.00017.37
8.1.50.0030.00517.34
8.1.40.0000.00817.41
8.1.30.0000.00717.43
8.1.20.0000.00817.58
8.1.10.0000.00817.51
8.1.00.0000.00817.35
8.0.300.0040.00419.80
8.0.290.0030.00616.75
8.0.280.0070.00018.29
8.0.270.0030.00317.09
8.0.260.0000.00618.36
8.0.250.0060.00016.90
8.0.240.0030.00316.82
8.0.230.0000.00716.91
8.0.220.0000.00716.77
8.0.210.0000.00716.83
8.0.200.0030.00316.83
8.0.190.0000.00916.91
8.0.180.0070.00016.73
8.0.170.0030.00616.91
8.0.160.0080.00016.88
8.0.150.0000.00716.92
8.0.140.0000.00816.83
8.0.130.0000.00713.32
8.0.120.0050.00316.89
8.0.110.0070.00016.75
8.0.100.0040.00416.77
8.0.90.0070.00016.93
8.0.80.0060.01416.87
8.0.70.0050.00216.86
8.0.60.0030.00316.71
8.0.50.0000.00816.91
8.0.30.0090.01116.99
8.0.20.0100.00917.40
8.0.10.0000.00716.98
8.0.00.0100.00716.76
7.4.330.0000.00515.55
7.4.320.0030.00316.75
7.4.300.0060.00016.61
7.4.290.0020.00516.69
7.4.280.0000.00716.68
7.4.270.0030.00316.74
7.4.260.0000.00816.54
7.4.250.0000.00816.58
7.4.240.0030.00316.70
7.4.230.0070.00016.84
7.4.220.0150.00416.59
7.4.210.0070.00916.65
7.4.200.0000.00816.61
7.4.160.0120.00516.72
7.4.150.0140.00517.40
7.4.140.0080.01517.86
7.4.130.0140.00516.69
7.4.120.0100.01016.51
7.4.110.0090.01216.68
7.4.100.0110.00616.70
7.4.90.0180.00616.76
7.4.80.0170.00019.39
7.4.70.0070.01416.61
7.4.60.0090.00616.46
7.4.50.0080.00516.29
7.4.40.0030.01316.71
7.4.30.0030.01416.61
7.4.00.0040.01114.90
7.3.330.0000.00513.34
7.3.320.0040.00413.25
7.3.310.0050.00216.41
7.3.300.0000.00816.44
7.3.290.0030.00316.39
7.3.280.0080.01016.37
7.3.270.0090.00917.40
7.3.260.0120.00516.55
7.3.250.0100.00816.60
7.3.240.0110.00816.49
7.3.230.0110.01116.73
7.3.210.0070.01016.57
7.3.200.0130.00316.66
7.3.190.0120.00416.63
7.3.180.0040.01416.55
7.3.170.0080.00816.47
7.3.160.0090.00616.53
7.2.330.0050.01116.67
7.2.320.0100.00916.68
7.2.310.0040.01716.54
7.2.300.0090.00916.64
7.2.290.0110.00516.65
7.2.60.0060.01016.80
7.2.00.0070.00719.62
7.1.200.0000.01015.77
7.1.100.0060.00618.37
7.1.70.0060.00917.39
7.1.60.0160.01635.13
7.1.50.0170.01734.84
7.1.40.0200.01034.34
7.1.30.0270.01734.45
7.1.20.0200.01334.78
7.1.10.0110.00416.68
7.1.00.0060.01017.01
7.0.200.0100.00616.74
7.0.190.0000.01416.82
7.0.180.0120.00916.36
7.0.170.0030.01416.20
7.0.160.0030.00916.41
7.0.150.0100.00516.21
7.0.140.0090.00616.32
7.0.130.0080.00516.61
7.0.120.0060.00616.78
7.0.110.0090.01016.34
7.0.100.0090.00916.62
7.0.90.0060.00916.44
7.0.80.0040.01116.41
7.0.70.0110.00716.41
7.0.60.0110.00416.02
7.0.50.0040.01116.39
7.0.40.0000.01416.63
7.0.30.0070.00716.62
7.0.20.0030.01016.39
7.0.10.0030.01016.25
7.0.00.0030.01016.45

preferences:
37.97 ms | 401 KiB | 5 Q