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]));'), 'Täst');

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)
8.3.70.0070.00716.75
8.3.60.0090.00916.63
8.3.50.0110.00616.62
8.3.40.0040.01118.89
8.3.30.0070.00718.63
8.3.20.0000.00820.04
8.3.10.0050.00321.73
8.3.00.0080.00021.95
8.2.180.0140.00716.38
8.2.170.0070.00722.96
8.2.160.0070.00719.08
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00719.21
8.2.120.0040.00426.35
8.2.110.0030.00622.10
8.2.100.0040.00717.91
8.2.90.0030.00618.91
8.2.80.0000.00817.97
8.2.70.0040.00717.63
8.2.60.0000.00817.93
8.2.50.0040.00418.10
8.2.40.0050.00320.23
8.2.30.0030.00620.84
8.2.20.0000.00717.88
8.2.10.0070.00018.02
8.2.00.0040.00417.89
8.1.280.0070.00725.92
8.1.270.0070.00022.01
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.19
8.1.230.0030.00824.03
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.09
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0070.00018.56
8.1.160.0030.00318.94
8.1.150.0030.00518.63
8.1.140.0000.00719.44
8.1.130.0070.00018.74
8.1.120.0040.00417.24
8.1.110.0040.00417.34
8.1.100.0040.00417.38
8.1.90.0040.00417.31
8.1.80.0070.00017.27
8.1.70.0070.00017.25
8.1.60.0080.00017.38
8.1.50.0030.00517.39
8.1.40.0030.00617.41
8.1.30.0040.00417.62
8.1.20.0000.00817.61
8.1.10.0080.00017.51
8.1.00.0050.00317.48
8.0.300.0070.00018.77
8.0.290.0050.00316.63
8.0.280.0030.00318.28
8.0.270.0070.00017.25
8.0.260.0030.00316.82
8.0.250.0000.00616.93
8.0.240.0030.00316.88
8.0.230.0030.00316.86
8.0.220.0030.00316.77
8.0.210.0030.00316.87
8.0.200.0020.00516.83
8.0.190.0000.00816.89
8.0.180.0030.00316.77
8.0.170.0000.00816.79
8.0.160.0030.00516.96
8.0.150.0040.00416.75
8.0.140.0030.00616.77
8.0.130.0000.00513.27
8.0.120.0040.00416.74
8.0.110.0070.00016.99
8.0.100.0000.00716.92
8.0.90.0000.00816.77
8.0.80.0100.00516.84
8.0.70.0000.00816.96
8.0.60.0000.00816.87
8.0.50.0040.00416.70
8.0.30.0050.01217.03
8.0.20.0120.00917.40
8.0.10.0000.00716.94
8.0.00.0090.00916.90
7.4.330.0000.00515.55
7.4.320.0030.00316.73
7.4.300.0060.00016.66
7.4.290.0070.00016.68
7.4.280.0040.00416.57
7.4.270.0060.00016.59
7.4.260.0080.00316.66
7.4.250.0000.00816.55
7.4.240.0040.00416.64
7.4.230.0000.00716.85
7.4.220.0090.00916.70
7.4.210.0100.00716.57
7.4.200.0030.00316.71
7.4.160.0120.00416.74
7.4.150.0120.00817.40
7.4.140.0120.00917.86
7.4.130.0070.01016.48
7.4.120.0140.00516.62
7.4.110.0100.00716.57
7.4.100.0070.01016.69
7.4.90.0060.01316.66
7.4.80.0100.00619.39
7.4.70.0120.00616.82
7.4.60.0120.00316.54
7.4.50.0040.01416.29
7.4.40.0070.01016.50
7.4.30.0160.00616.60
7.4.00.0090.00615.27
7.3.330.0030.00313.35
7.3.320.0030.00313.34
7.3.310.0080.00016.45
7.3.300.0040.00416.33
7.3.290.0070.00016.23
7.3.280.0090.00816.38
7.3.270.0150.00417.40
7.3.260.0140.02116.40
7.3.250.0110.00516.56
7.3.240.0100.01016.45
7.3.230.0110.01116.69
7.3.210.0060.01216.65
7.3.200.0080.00816.38
7.3.190.0090.01016.65
7.3.180.0120.00916.40
7.3.170.0070.01316.53
7.3.160.0160.00016.81
7.3.10.0110.00316.52
7.3.00.0040.00816.45
7.2.330.0090.00616.66
7.2.320.0130.00916.62
7.2.310.0070.01016.77
7.2.300.0120.00616.72
7.2.290.0070.01016.53
7.2.130.0110.00316.94
7.2.120.0090.00917.11
7.2.110.0070.00717.00
7.2.100.0070.00416.95
7.2.90.0040.00817.05
7.2.80.0090.00616.76
7.2.70.0100.00616.77
7.2.60.0070.00816.66
7.2.50.0060.00317.00
7.2.40.0070.01017.06
7.2.30.0070.01016.90
7.2.20.0070.00716.98
7.2.10.0030.00716.88
7.2.00.0060.01118.15
7.1.250.0070.00715.75
7.1.200.0060.00615.65
7.1.100.0060.01317.97
7.1.70.0140.01017.16
7.1.60.0170.01635.26
7.1.50.0190.01334.84
7.1.40.0230.01334.44
7.1.30.0170.01434.47
7.1.20.0260.00834.68
7.1.10.0070.01016.72
7.1.00.0000.01316.69
7.0.200.0030.01216.74
7.0.190.0160.00016.99
7.0.180.0040.01216.07
7.0.170.0030.01416.20
7.0.160.0000.01516.46
7.0.150.0000.01616.23
7.0.140.0070.00716.20
7.0.130.0060.00916.36
7.0.120.0030.01016.77
7.0.110.0080.00616.29
7.0.100.0050.01016.57
7.0.90.0090.00516.30
7.0.80.0000.01416.54
7.0.70.0090.00516.23
7.0.60.0070.00916.09
7.0.50.0080.00816.36
7.0.40.0070.00716.59
7.0.30.0030.01116.56
7.0.20.0100.00716.50
7.0.10.0040.01316.52
7.0.00.0070.00716.71

preferences:
44.9 ms | 401 KiB | 5 Q